established · -0.5 capabilitymarket actiondomain

Discovery

Score 27.3 / 100 61 providers +432 via APIs 461 APIs Search apis.io →
Workflows using this tag
Stytch SMS One-Time Passcode Login · Stytch Stytch B2B Create Organization and Invite Member · Stytch Stytch B2B Email OTP Discovery and Exchange · Stytch Stytch OAuth Authenticate and Session · Stytch Stytch User Create, Search, and Delete · Stytch Stytch Password Reset by Email · Stytch Stytch TOTP Authenticator Enrollment · Stytch Stytch B2B TOTP Authenticator Enrollment · Stytch
Business capabilities this tag reaches
Agent Infrastructure & Agentic Commerce 6 Cybersecurity Management 6 Information Technology Management 3 Developer Platform & API Ecosystem Management 3 Data & Reference Information Services 2 Customer Relationship Management 1

Providers using this tag (61)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 4 Complete, well-documented, and agent-ready
Strong 3 Solid coverage with minor gaps
Developing 8 Usable, with meaningful gaps to close
Thin 9 Limited public surface area
Emerging 20 Early or largely undocumented
Minimal 17 Almost no public developer surface

APIs with this tag (460)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 32 Complete, well-documented, and agent-ready
APIs.io Submit APIDiscover a domain's machine-readable API surface and submit a provider for review — the Add-API door, docum...91.9Eventwren Discovery APIBrowse, search and read published events on Eventwren — free to browse, with a daily free search allowance ...89.7Hagglebee Discovery APIBrowse, search and read published classified ads on Hagglebee — free to browse, with a daily free search al...88.4Yarnhen Discovery APIBrowse, search and read published stories on Yarnhen — free to browse, with a daily free search allowance —...88.4Yawplet Discovery APIBrowse, search and read published messages on Yawplet — free to browse, with a daily free search allowance ...88.4GitHub Search APIThe GitHub Search API lets you programmatically find and filter content across GitHubincluding repositories...85.0Postman Tags APIThe Tags API manages tags applied to APIs, collections, and workspaces for organization, governance reporti...82.5Agoragentic Discovery APIPublic machine-readable discovery surfaces and endpoint contract metadata81.4codai Discovery APIMetadata and signing keys.79.1Hive Civilization Discovery APIThe discovery API from Hive Civilization — 5 operation(s) for discovery.78.0Delx Discovery APIThe discovery API from Delx — 2 operation(s) for discovery.75.7Microsoft Azure Discovery APIThe Discovery API from Microsoft Azure — 4 operation(s) for discovery.75.7FeedOracle Technologies Discovery APIWell-known endpoints for agent discovery (ANP/A2A-compatible).74.3Apier.no Discovery APIAgent-first discovery manifest. `/v1/capabilities` is the machine-readable menu of every callable capabilit...72.0Impact MCP ServerRemote Model Context Protocol server for impact.com. Fifteen documented tools give an AI assistant account-...71.5Leadspace Discovery APIBulk account expansion into net-new contacts71.2UiPath Discovery APIDiscover available projects, classifiers, and extractors71.0AlgoVoi Discovery APIResource discovery and manifest endpoints70.6OddsRelay Discovery APISports, events, venues, regions. Free.70.6Entur Discovery APIDiscovery endpoints for landing page, conformance, and API metadata.70.5Oracle Discovery APIThe discovery API from Oracle — 8 operation(s) for discovery.70.4Microsoft Purview Discovery APIOperations for searching and discovering data assets70.1cogDepot Discovery APIUnauthenticated, free machine-readable surfaces: the A2A Agent Card, the AI catalog, the canonical discover...69.8Dotdigital Marketing Developer Hub MCP ServerA remote MCP server that exposes the Dotdigital OpenAPI corpus and the developer-hub documentation to AI co...69.8Optum Discovery APIThe Discovery API from Optum — 1 operation(s) for discovery.69.8sitegpt-ai Discovery APIThe Discovery API from sitegpt-ai — 3 operation(s) for discovery.69.5NiCE Discovery APIThe Discovery API from NiCE — 2 operation(s) for discovery.69.4Delinea Discovery APIDiscoveryController68.6Miro Discovery APIThe Discovery API from Miro — 5 operation(s) for discovery.68.5Relm Discovery APISelf-describing schema, usage, settings.68.3Edge Network Discovery APISelf-describing entry points — start at GET /agent.67.8Neo4j Discovery APIServer discovery endpoint that returns available endpoints, server version, edition, and authentication con...66.6
Strong 75 Solid coverage with minor gaps
Azure Migrate Discovery APIManage discovery sites and inventory of on-premises servers, databases, and applications. Provides agentles...66.4communicate-so Discovery APIThe Discovery API from communicate-so — 1 operation(s) for discovery.65.2CorpusIQ Discovery APIOAuth 2.0 and protected-resource metadata used by MCP clients to find the authorization server without manu...65.2fal Models Catalog APIRead-only discovery endpoints for browsing fal's 1,000+ production model catalog, including model metadata,...65.2AI Content Drop Discovery APIUnauthenticated index and capability discovery64.9Ploid Discovery APIThe Discovery API from Ploid — 1 operation(s) for discovery.64.7ClawSpan Discovery APIWell-known documents — start here.64.6MediaRuntime Discovery APIPublic capability and contract discovery.64.6API Evangelist APIsIndividual API resources tracked across the API Evangelist network, drawn from many providers and business ...64.5API Evangelist Discovery APIReusability and experience (DX/AX) analysis across a set of APIs.64.5Aircover Discovery APIMachine-readable discovery metadata64.3Inrupt Discovery APIWebSocket Discovery64.3Dant3 Discovery Agent (A2A)A2A 1.0 agent (JSON-RPC binding) that returns machine-readable entry points for the Dant3 network, machine ...64.1Dant3 MCP ServerHosted remote MCP server (Streamable HTTP, runtime 1.2.0, protocol 2026-07-28 with 2025-06-18 compatibility...64.1invinoveritas Discovery APIThe discovery API from invinoveritas — 3 operation(s) for discovery.63.2replynodes-com Discovery APIThe discovery API from replynodes-com — 2 operation(s) for discovery.62.9digitalpublic-com Discovery APIThe Discovery API from digitalpublic-com — 5 operation(s) for discovery.62.6Smart Pension Discovery APIThe Discovery API from Smart Pension — 1 operation(s) for discovery.62.6ParlayAPI Discovery APIThe Discovery API from ParlayAPI — 7 operation(s) for discovery.61.9ServiceNow Agent Client Collector APIThe ServiceNow Agent Client Collector (ACC) API provides REST endpoints for managing agent client collector...61.9ServiceNow Identification and Reconciliation APIThe ServiceNow Identification and Reconciliation API provides a REST endpoint for creating or updating conf...61.9aicomglobal Discovery APIThe Discovery API from aicomglobal — 1 operation(s) for discovery.61.2CorroborateMe Discovery APIHealth, config, OpenAPI61.0Cuvo Health Discovery APIAgent discovery documents60.7kymaapi-com Discovery APIAuto-configuration and capability discovery (no auth required)60.6D&B Direct+ Search APIThe Search surface of D&B Direct+ lets applications find businesses, principals, and related entities using...60.5ConfigDirector Discovery APIMachine-readable indexes and agent metadata.60.1Stytch Discovery APIThe Discovery API from Stytch — 5 operation(s) for discovery.59.7cnvs.app Discovery APIService-level discovery documents for AI agents and MCP clients.59.5zambo-dev Discovery APIAgent and capability discovery, routing, traction data59.5Clearbit Discovery APISearch Clearbit's company database with a structured query to build target-market lists. Endpoint /v1/compa...59.3yappy-biz Discovery APIFinding your way around the API.59.2TeamOhana Discovery APIThe Discovery API from TeamOhana — 3 operation(s) for discovery.59.1Vaultfire Protocol Discovery APIAgent directory and search59.0CONNSKILL Discovery APIThe Discovery API from CONNSKILL — 2 operation(s) for discovery.58.9Jentic Discovery APIUnauthenticated metadata discovery — the JWKS document and OAuth authorization server metadata under `/.wel...58.9AIMEAT Discovery APINode and capability discovery — master directory, well-known documents, and llms.txt58.8GSMA Discovery APIFind the closest Edge Cloud Zone to the user device.58.8FOLIO Discovery APIThe discovery API from FOLIO — 8 operation(s) for discovery.58.6Pagesnap Discovery APIMachine-readable discovery resources58.5Typeface Discovery APIThe Discovery API from Typeface — 2 operation(s) for discovery.58.2Compeller Discovery APIStatic capability, style, pricing, and format metadata.57.9PropelAuth Discovery APIOpenID Connect discovery57.9Oil Price API Discovery APINo-key representative sample endpoints for API discovery.57.8Domani Discovery APIThe Discovery API from Domani — 3 operation(s) for discovery.57.59bot Discovery APIPublic MCP, OAuth, and registry metadata.57.4Cloud World Model Discovery APIMachine-readable description of the simulator for AI agents and onboarding tooling57.4We > Ultrarich Discovery APIDiscover (list) the available endpoints.57.4AsterPay Discovery APIThe discovery API from AsterPay — 1 operation(s) for discovery.57.3level2 Discovery APIEndpoints for discovering similar stocks and retrieving company fundamental summaries.57.3Adako Discovery APIThe Discovery API from Adako — 2 operation(s) for discovery.57.1ComputeFirst Discovery APIFind a tool for a task.57.1Clerion Discovery APIOAuth 2.1 metadata for MCP clients (RFC 9728, RFC 8414).57.0ClawLink Discovery APIList, search, and describe the tools available to the authenticated user56.9ScienceLogic Discovery APIThe Skylar Compliance device discovery engine uses a variety of methods to discover hosts on your network t...56.8Seshat Markets Discovery APIThe Discovery API from Seshat Markets — 2 operation(s) for discovery.56.8Artifactories Discovery APIMachine-readable discovery and subscriptions56.5Plyrium Discovery APIFree, anonymous machine-readable service metadata.56.5AppOmni Discovery APIThe Discovery API from AppOmni — 3 operation(s) for discovery.56.3Covalent Discovery APIList and search x402 endpoints exposed by GoldRush.56.3OptionsAhoy Discovery APIAPI inventory56.2insumermodel-com Discovery APIBrowse merchants, tokens, and NFT collections in the public directory.55.8Bisibility Discovery APIDiscover the API contract, capabilities, health, and public provider pricing.55.6IAB Tech Lab Discovery APINatural language inventory discovery55.6ModelRush Discovery APIThe Discovery API from ModelRush — 2 operation(s) for discovery.55.5Root (fka Slim.ai) Discovery APIThe Discovery API from Root (fka Slim.ai) — 2 operation(s) for discovery.55.5xavio-in Discovery APIPublic endpoints — no auth. Discover components, categories, audiences.55.5lenz-io Discovery APIMachine-readable index of the API root.55.1XGuard Discovery APIThe Discovery API from XGuard — 2 operation(s) for discovery.55.1postlake-dev Discovery APIThe Discovery API from postlake-dev — 5 operation(s) for discovery.54.8FrameThrower Discovery APIAutocomplete and helpers54.5Hergert Synthora Discovery APIFree machine-readable discovery documents54.5slideforge-dev Discovery APIThe discovery API from slideforge-dev — 7 operation(s) for discovery.54.5Craig Brown (BlindOracle) Discovery APIThe discovery API from Craig Brown (BlindOracle) — 3 operation(s) for discovery.54.4Orthogonal Discovery APIFind APIs and endpoints, inspect parameters, and get code snippets.54.4
Developing 131 Usable, with meaningful gaps to close
Coin Railz Discovery APITest and discovery endpoints54.2EUMETSAT Discovery APISearch and discover EUMETSAT Data.54.2SSSNACK Discovery APIThe Discovery API from SSSNACK — 3 operation(s) for discovery.54.1Augmentt DiscoverAugmentt Discover provides SaaS discovery and Shadow IT detection capabilities for MSPs, identifying all cl...53.9Sylvia API Discovery APIThe Discovery API from Sylvia API — 3 operation(s) for discovery.53.4Search APIAPI enabling search across organizations, instruments, quotes, and economic indicators on the Refinitiv Dat...53.3satoshidata-ai Discovery APIOpenAPI and public discovery metadata for the current bridge state.53.2Carrier Lynx Dev Portal GraphQLThe GraphQL backend behind the Lynx Fleet Dev Portal. Its /public/graphql endpoint answers anonymously and ...53.1Bitrefill Discovery APISearch and browse the catalog (micro-fee per call).53.0PydanticAI Discovery APIThe discovery API from PydanticAI — 1 operation(s) for discovery.52.9blinkpdf-io Discovery APIMachine-readable API entry point52.7Storecove Discovery APIThe Discovery API from Storecove — 3 operation(s) for discovery.52.7AgenTrux Discovery APIThe discovery API from AgenTrux — 4 operation(s) for discovery.52.5CanFly Discovery APIPublic catalog52.4Infinite Audience Discovery APIAudience count and lookup (exploration)52.3CodeAtlas Discovery APIService and API discovery endpoints.52.2EagleView Discovery APIFind images and their corresponding metadata.52.2loopholetape-com Discovery APImachine-readable descriptions of this service52.2Sellfy Discovery APIFiles that describe the site and what it offers.52.2Calculate.co.nz Discovery APIFind the right page across all 2,377 calculators, 407 guides and 49 datasets. Only a handful of calculators...52.1DataSportsAPI Discovery APIDiscovery. Starting points for finding ids: world rankings, plus the full set of a sport’s leagues by count...51.7AuraVMS Discovery APIUnauthenticated service discovery.51.4Enterprise Manager Target Management APIAPI for managing monitored targets including discovery, configuration, lifecycle operations, bulk property ...51.4AiFinPay Discovery APIdiscovery router — see backend/routes/discovery.js51.3greencalculus-com Discovery APIThe spec, the change feed, coverage, absence and the sourcing roadmap51.2a2awire-com Discovery APIThe discovery API from a2awire-com — 9 operation(s) for discovery.51.1AgentStack Discovery APIPublic capability discovery. REST compatibility surface; for new integrations prefer MCP actions, GET/POST ...51.1Craft Quantities Discovery APIFind a calculator, takeoff or worked example by what the job is.51.0Hermoso AI Discovery APIMachine-readable documents that let a client find and describe this server without being configured by hand.51.0Weaviate Discovery APIThe discovery API from Weaviate — 1 operation(s) for discovery.51.0BrainstormRouter Discovery APIThe discovery API from BrainstormRouter — 3 operation(s) for discovery.50.9eudr.dev Discovery APIAgent-card, OpenAPI, MCP, ai-plugin, tools catalog.50.9Agent Upgrade Network Discovery APIMachine-readable entry points: Agent Card, x402 resource list, catalog and health.50.8Cape Partners Discovery APIThe Discovery API from Cape Partners — 7 operation(s) for discovery.50.8Clarity Discovery APIThe discovery API from Clarity — 10 operation(s) for discovery.50.8GammaFlip.io Discovery APIThe Discovery API from GammaFlip.io — 4 operation(s) for discovery.50.8bubblio-dev Discovery APICredential-free discovery — directory, manifests, llms.txt signposts.50.6Ada Diamonds Discovery APIAPI roots and credential checks.50.4CatchIntent Discovery APIAgent-readable discovery resources served from the marketing origin.50.4AgileHero Discovery APIOAuth protected-resource metadata.50.2nexbid-dev Discovery APIWell-known capability manifests.50.1Fuentio Discovery APIThe discovery API from Fuentio — 4 operation(s) for discovery.50.0Itaú Unibanco Discovery APIThe Discovery API from Itaú Unibanco — 2 operation(s) for discovery.49.8UM Library discovery — Ex Libris Primo VE tenancyThe University of Macau Library's catalog and discovery layer is an Ex Libris Primo VE tenancy. UM's instit...49.8unplain-io Discovery APIMachine-readable descriptions of this API.49.8Euroref Discovery APIMachine-readable descriptions of what is served and what it costs.49.7Kronos Quant Signal API Discovery APIThe Discovery API from Kronos Quant Signal API — 2 operation(s) for discovery.49.7majr-app Discovery APIWho this service is and where its contracts live.49.6Zoca Discovery APIThe Discovery API from Zoca — 35 operation(s) for discovery.49.53GPP Forge APIThe 3GPP Forge (forge.3gpp.org) is a self-managed GitLab instance where 3GPP publishes the machine-readable...49.2Buildpack RegistryThe Cloud Native Buildpacks registry indexes published buildpacks for discovery and reuse. It mirrors metad...49.2KeepBal Discovery APIUnauthenticated metadata.48.9ydb-qdrant-tech Discovery APIAgent-readable discovery metadata.48.8CharitySense Discovery APIIdentity search and related-organization discovery.48.6Helka Library Discovery — Ex Libris Primo tenantTENANT RELATIONSHIP. helka.helsinki.fi redirects to an Ex Libris Primo discovery interface with view identi...48.6riskmodels-app Discovery APIService discovery and capability manifests.48.6University of Helsinki API Portal (Gravitee)The University's own API developer portal and gateway — a self-hosted Gravitee API Management deployment. T...48.6sqlguard-io Discovery APIThe discovery API from sqlguard-io — 1 operation(s) for discovery.48.2ATA Travel Discovery APISearch ATA public inventory and discovery facets.47.9Kimetsu Discovery APIStatic, anonymous machine-discovery documents.47.8PrivateDAO Discovery APIThe Discovery API from PrivateDAO — 1 operation(s) for discovery.47.8Warwick Library Discovery (Summon)Warwick's library discovery layer. encore.lib.warwick.ac.uk issues an HTTP 302 to warwick.summon.serialssol...47.8Voyant.io Discovery APIOne-time discovery runs and results.47.6EcomScout Discovery APIDocs and health — no API key47.5shveik Discovery APIFree, unpaid API metadata.47.3Login.gov Discovery APIOIDC discovery and public key endpoints.47.1lovedone-app Discovery APIUnauthenticated machine-readable files on lovedone.app47.1Drivings Discovery APIPublic catalog and evidence retrieval with no side effects.47.0Averray Discovery APIPublic machine-readable orientation and contracts.46.8AnyGas Discovery APIHealth, mesh and gasless config46.7Dealroom Discovery APIAPI root discovery and functional namespaces.46.5Lunar Discovery APIAPI discovery and remedy state reporting46.4Zephyr Cloud Discovery APIPublic discovery resources for crawlers, agents, and developer tooling.46.4EveryInfra Discovery APIThe Discovery API from EveryInfra — 1 operation(s) for discovery.46.3Recipe API Discovery APIRequires API key. No credit cost. Browse categories, cuisines, and dietary options.46.3Daystruct Discovery APIThe Discovery API from Daystruct — 9 operation(s) for discovery.46.2CoreStory Discovery APIThe discovery API from CoreStory — 3 operation(s) for discovery.45.9AMZ Downloader Discovery APIThe Discovery API from AMZ Downloader — 3 operation(s) for discovery.45.7Discovery RFx Publication FROM External Marketplace APIPublishes RFx events from an external marketplace into SAP Ariba Discovery for sourcing activities.45.7Discovery RFx Publication TO External Marketplace APIPublishes RFx events from SAP Ariba to external marketplaces for broader supplier participation.45.7iDiscover library discovery (Ex Libris Primo VE) — TENANTCambridge's library discovery layer runs on Ex Libris Primo VE. idiscover.lib.cam.ac.uk is a CNAME to cam.p...45.6Orange Logic Search APIThe Search API from Orange Logic — 1 operation(s) for search.45.3AnchorRegistry Discovery APIThe discovery API from AnchorRegistry — 1 operation(s) for discovery.45.1Dott Discovery APIAuto-discovery of available feeds and cities45.1joinsandwich-com Discovery APIMachine-readable indexes and catalogs.45.1Sahara AI Discovery APIDiscover models and compute providers available on the network.44.8US Census Bureau Discovery APIDataset discovery via the DCAT-compliant catalog44.8manylives-me Discovery APIThe discovery API from manylives-me — 15 operation(s) for discovery.44.7CharacterQuilt Discovery APIThe Discovery API from CharacterQuilt — 1 operation(s) for discovery.44.6AgenticTrade Discovery APIThe discovery API from AgenticTrade — 5 operation(s) for discovery.44.4Dell Servers Discovery APINetwork discovery configuration and job management44.2HAProxy Discovery APIAPI autodiscover endpoints44.0Roboto Discovery APIAgent discovery documents.43.9Anahana Discovery APIStatic agent-discovery documents.43.8Cequence API SpyderAPI Spyder is a SaaS-based, agentless external discovery service that provides an attacker's view into an o...43.8gaipagents-com Discovery APIAgent cards, MCP Server Cards, catalogs, guides and product documents.43.8Brocade SANnav Management Portal REST APIThe Brocade SANnav Management Portal REST API provides a programmable web-service interface for accessing a...43.6SPIRE Discovery APIOpenID Connect discovery document endpoint that describes the OIDC provider configuration and supported cap...43.6BLOBPEDIA Discovery APIActivity stream, sources catalog43.5GEN Discovery APIIdentify the authenticated user, their workspaces, and agents.43.5National Energy System Operator (NESO) Discovery APIDiscovery endpoints for organizations, datasets, and tags.43.5Scout RFP (Workday Strategic Sourcing) Discovery APIEndpoints to facilitate discovery of SCIM service provider features43.5TradeDataHub Public API Discovery APIZero-knowledge inventory discovery (coverage, states, trades, cities).43.5allagents Discovery APIMachine-readable discovery documents.43.3allagents Operator (A2A Agent)The directory as an A2A agent. POST a JSON-RPC 2.0 message/send stating a need ("I need a translation agent...43.3ampworth-com Discovery APIWhere everything else is.43.0Fabler Labs Discovery APIFree, unpaid endpoints for capability and price discovery.43.0UCSB Library Discovery (Ex Libris Primo VE)UCSB Library’s catalog and discovery layer. The host search.library.ucsb.edu is a UCSB CNAME onto ucsb.prim...42.8ELAV8.ai Discovery APIAgent and developer discovery files42.5University Library Discovery (Ex Libris Primo)TENANT RELATIONSHIP, not a UIUC contract. Library discovery at Illinois runs on Ex Libris Primo — search.li...42.5fAlpha Discovery APIThe Discovery API from fAlpha — 2 operation(s) for discovery.42.4encarapi-com Discovery APIFilter facets & valid values42.2Luna Discovery APIHealth, identity and machine-readable descriptions of Luna.42.0Lund University Publications unAPIunAPI 1 discovery service returning the alternate metadata formats available for LUP records, which is how ...41.9XML Sitemaps Across PropertiesEvery People Inc brand exposes a discoverable sitemap index at /sitemap.xml with per-section sitemap files....41.9UC Davis Library discovery — Ex Libris Primo (tenant)Library discovery at search.library.ucdavis.edu is an Ex Libris Primo instance. The subdomain is UC Davis's...41.8AgentTool Discovery APIPublic read-only orientation. Discovery grants no authority and performs no follow-up action.41.7BMC XIV Discovery APIMachine-readable agent discovery.41.2SNHP Discovery APICatalog + agent onboarding41.1BUW Library Discovery (Ex Libris Alma / Primo, OMNIS)The University of Warsaw Library (BUW) migrated off NUKAT to Ex Libris Alma with Primo discovery in Decembe...41.0Helm Repository Index SchemaJSON Schema for the index.yaml file served by Helm chart repositories. The index is the primary discovery m...41.0Unisson Discovery APIThe discovery API from Unisson — 6 operation(s) for discovery.40.8UNSW Library discovery (Ex Libris Primo VE)UNSW Library's discovery layer runs on Ex Libris Primo VE. This entry records the tenancy so the relationsh...40.8Agentbookable Discovery APIFind businesses and read their capabilities40.7IXON Discovery APIThe Discovery API from IXON — 1 operation(s) for discovery.40.2UWA Library OneSearch (Ex Libris Primo VE tenancy)UWA Library discovery, served from onesearch.library.uwa.edu.au and redirecting to an Ex Libris Primo VE ap...40.1Fine Structure Discovery APIUnauthenticated discovery and health endpoints39.9Voidpet Discovery APIThe Discovery API from Voidpet — 1 operation(s) for discovery.39.8SirsiDynix Enterprise Library Catalogue (tenant)The library's catalogue, a SirsiDynix Enterprise tenant at rdg.ent.sirsidynix.net.uk/client/en_GB/library (...39.6CatalogPlus library discovery (Ex Libris Primo, OBVSG-hosted)TU Wien's library discovery layer. Recorded as a tenant relationship, which is a real institutional fact, s...39.4KG-NINJA Discovery APIMachine-readable service discovery39.4
Thin 149 Limited public surface area
FlipLetters Discovery APISpec and docs on flipletters.com39.1Landgate Discovery APIAutocomplete, resource search and the DCAT catalog39.1DigiCert Discovery APIThe DigiCert Discovery API enables scanning of internal and public-facing networks using sensors to find SS...39.0Roku Discovery APIDevice discovery and metadata39.0LinkAGI Model API Discovery APIInspect the models visible to the current token group.38.9AMZScout Discovery APIThe discovery API from AMZScout — 1 operation(s) for discovery.38.8ETH Library @ swisscovery (Ex Libris Alma/Primo via SLSP)ETH Library's discovery layer runs as the 41SLSP_ETH view on swisscovery, the shared Ex Libris Alma/Primo p...38.8ffpipe Discovery APIUnpaid, cacheable descriptions of this service.38.8University of Groningen Library discovery (OCLC WorldCat)Library discovery runs on OCLC WorldCat Discovery at rug.on.worldcat.org, a tenant instance on OCLC's platf...38.8Etch Discovery APIWell-known metadata endpoints for aggregators and MCP clients.38.7AFMR Discovery MCP ServerPublic read-only Model Context Protocol server (ai.afmr/discovery, MCP 2025-11-25, Streamable HTTP, statele...38.6Spring Security Discovery APIThe Discovery API from Spring Security — 2 operation(s) for discovery.38.6thevicinityapp-com Discovery APIFree capability negotiation. Start here.38.6EcoAloha Discovery APIDestinations and editorial collections. Always available.38.5Agnic core APIAgnic core API as documented publicly: 10 operations. Contract generated from the documentation by API Evan...38.2HKU Libraries Discovery (Ex Libris Primo tenancy)HKU Libraries' discovery layer runs on Ex Libris Primo VE at julac-hku.primo.exlibrisgroup.com under the JU...38.2University of Hong Kong Discovery APIMetadata documents that describe the identity service.38.2Jobfinder AI Discovery APIAPI capabilities and canonical integration links.38.1Lancaster Library Discovery and Services (Ex Libris Alma / Primo VE) — tenantLancaster University Library runs on the Ex Libris platform: Primo VE for discovery (OneSearch, view identi...38.1Pixelfed Discovery APITrending content, suggestions, and directory38.0Bolot Studio Discovery APIThe Discovery API from Bolot Studio — 2 operation(s) for discovery.37.8Influence Discovery APIAgent discovery documents.37.8Vantor Discovery APIThe Discovery API from Vantor — 5 operation(s) for discovery.37.7EPFL Library Discovery on swisscovery (Ex Libris, tenant)EPFL's library discovery and resolution run on Ex Libris Primo VE with Alma behind it, delivered through SL...37.6Repositorio da Universidade de Lisboa — DSpace REST APIAnonymous HAL+JSON REST API of the institution's DSpace 7.6.1 repository — communities, collections, items,...37.5agentry-com Discovery APIThe discovery API from agentry-com — 4 operation(s) for discovery.37.3King Fahd University of Petroleum & Minerals Discovery APIUnauthenticated metadata endpoints. All three fetched live 2026-08-30.37.3Linkerd Discovery APIAPI resource discovery37.1PKU Institutional Repository OpenSearch FeedOpenSearch 1.1 query interface returning an Atom feed of repository records, served from the institution's ...37.0النحاسيات الشهباء Discovery APIPublic agent-readable discovery, schema, pricing, and MCP resources.37.0AIWebSignals Discovery APIMachine-readable service discovery and pricing.36.7Gadjah Mada University Discovery APIRFC 8414 & OIDC Discovery36.7ProductPlan Discovery APIManage ideas, opportunities, customers, and idea forms36.7Despegar Discovery APIThe Discovery API from Despegar — 1 operation(s) for discovery.36.4Envoy Proxy Health Discovery Service APIThe Envoy Health Discovery Service (HDS) is a gRPC-based API that enables a management server to instruct E...36.4FindIt@Bham library discovery (Ex Libris Primo tenancy)FindIt@Bham is the University's library discovery layer, running on Ex Libris Primo — findit.bham.ac.uk CNA...36.4University of Auckland Library Discovery (Ex Libris Primo tenant)The University of Auckland Library's discovery layer, an Ex Libris Primo VE tenancy (vid=64UAUCK_INST:UOA, ...36.4_done CatalogSingle-page agent-native catalog of the 27 _done pay-per-call utility APIs. Publishes a real llms.txt, a ro...36.3University of Chicago Library Catalog API (VuFind)The Library's discovery layer is VuFind, self-hosted at catalog.lib.uchicago.edu and forked in the institut...36.2SNU Library Discovery (Ex Libris Primo / Alma) — tenancySeoul National University Library runs library management and discovery on Ex Libris Alma and Primo, instit...36.1SwarmDM Discovery APIThe discovery API from SwarmDM — 1 operation(s) for discovery.36.0UKAZ Library Discovery — Ex Libris Primo VE tenancyUKAZ, the Charles University library discovery service, is an Ex Libris Primo VE tenancy. ukaz.cuni.cz redi...35.9Comparr Discovery APIThe discovery API from Comparr — 1 operation(s) for discovery.35.8Merchant-0 Discovery APIThe Discovery API from Merchant-0 — 3 operation(s) for discovery.35.7TheMealDB Discovery APIThe Discovery API from TheMealDB — 4 operation(s) for discovery.35.6YorSearch Library Discovery (Ex Libris Primo / Alma)YorSearch is the University of York library discovery service, an Ex Libris Primo front end over an Alma ba...35.6University of Florida Discovery APIRoot index and controlled vocabularies.35.4Aalto Learning Centre discovery (Ex Libris Primo / Alma, Finna)Library discovery and the library management system are Ex Libris products under Aalto tenancies — primo.aa...35.3Ghent University Library catalogue (Ex Libris Alma/Primo VE tenancy)lib.ugent.be redirects to libcatalog.ugent.be, an Ex Libris Primo VE discovery layer running under institut...35.2KIT Library Catalogue REST API (self-hosted Koha)The KIT Library self-hosts Koha, the open-source integrated library system, at katalog.bibliothek.kit.edu, ...35.1InfraPulse Discovery APIThe discovery API from InfraPulse — 4 operation(s) for discovery.35.0Jack Henry & Associates Discovery APIOpenID Connect discovery and JWKS.34.8SOLO library discovery (Ex Libris Primo VE tenancy)The Bodleian Libraries' discovery layer is Ex Libris Primo VE. Any Primo or Alma REST API reachable under t...34.8Bureau of Consular Affairs Discovery APIRead-only discovery actions (packages, groups, organizations, tags).34.7Macquarie University Library MultiSearch (Ex Libris Primo)Library discovery for Macquarie runs on Ex Libris Primo at multisearch.mq.edu.au. The holdings are Macquari...34.7CryptoDecentral Discovery APIThe discovery API from CryptoDecentral — 4 operation(s) for discovery.34.6DayPilot Discovery APIAnonymous, read-only Builder capability discovery.34.6NTHU Library Discovery (Primo VE tenant)NTHU Library's discovery service on Ex Libris Primo VE. Notable for what it reveals rather than what it off...34.6HOLLIS library discovery (Ex Libris Primo VE tenancy)HOLLIS is Harvard Library's discovery layer. hollis.harvard.edu CNAMEs to hvd.primo.exlibrisgroup.com and r...34.4Liquid Death Discovery APIStore-level discovery documents for crawlers and agents34.4Bird Discovery APIGBFS auto-discovery and version metadata34.3Quietforge x402 Service Index APIA searchable, health-probed index of live x402 pay-per-call endpoints re-crawled from the Coinbase CDP and ...34.3WIReDSpace DSpace REST Discovery APIBrowse indexes and the search/discovery endpoint over WIReDSpace holdings, plus an OpenSearch 1.1 descripti...34.2Omni library discovery (Ex Libris Primo VE tenancy)uOttawa Library's discovery layer, Omni, is an Ex Libris Primo VE view delivered through the Ontario Counci...34.0DiscoverEd Library Discovery (Ex Libris Primo) — tenantDiscoverEd is the University Library's discovery layer, an Ex Libris Primo tenancy on an Edinburgh subdomai...33.9cortexcloud-org Discovery APIThe Discovery API from cortexcloud-org — 5 operation(s) for discovery.33.8u:search Library Discovery (Ex Libris Primo)u:search is the Vienna University Library's discovery layer. Probed 2026-08-30: https://usearch.univie.ac.a...33.8Digital PUL (DPUL)Princeton's public digital collections site at dpul.princeton.edu (pulibrary/dpul), the presentation layer ...33.5Ex Libris Alma / Primo VE — Princeton tenancy (01PRI_INST)Princeton's library management and discovery layer runs on Ex Libris, with institution code 01PRI_INST: Alm...33.5NAIC Discovery APIThe JSON:API entry point.33.5Princeton University Library Catalog (Orangelight)Princeton's library catalog at catalog.princeton.edu, a Blacklight application the Library writes and maint...33.5Princeton University Library Finding Aids (PULFAlight)Archival finding aids for Princeton's special collections and the Mudd Manuscript Library, served by an Arc...33.5Princeton University Library Maps and Geospatial Data (PUL Map)GeoBlacklight application at maps.princeton.edu (pulibrary/pulmap) serving Princeton's geospatial data cata...33.5Emory Libraries Discovery (Ex Libris Primo VE)Library discovery and catalog search for Emory Libraries runs on Ex Libris Primo VE. The Emory entry point ...33.4Library Discovery (Ex Libris Primo VE tenant)Library discovery runs on an Ex Libris Primo VE tenancy at khalifa.primo.exlibrisgroup.com with view id 971...33.4RubyGems Search APIThe RubyGems Search API allows developers to search for gems by matching a query string against gem names a...33.0UCD Library discovery (Serials Solutions / Clarivate)UCD Library's discovery layer runs on Serials Solutions (Clarivate/ProQuest) under a customer key, not on a...33.0Ginnie Mae Discovery APIThe Discovery API from Ginnie Mae — 2 operation(s) for discovery.32.9Iridium Discovery APIThe discovery API from Iridium — 1 operation(s) for discovery.32.9agenteconomy.cloud Discovery APIThe discovery API from agenteconomy.cloud — 4 operation(s) for discovery.32.8Physical Capability Cloud Discovery APIThe discovery API from Physical Capability Cloud — 7 operation(s) for discovery.32.8Alma Discovery APIPublic files agents should fetch first32.6CMR OpenSearch APIOpenSearch-compliant API wrapper for CMR Search enabling standard OpenSearch client integration. Supports c...32.5DI-fusion OpenSearch DescriptionOpenSearch 1.1 description document for the DI-fusion discovery interface, allowing a client to register DI...32.5Agentel Discovery APIThe Discovery API from Agentel — 1 operation(s) for discovery.32.4Capella Space Catalog APIThe Capella Catalog API is a STAC-compliant search interface over the archive of SAR collects. Clients quer...32.4QuizAPI Discovery APIEndpoints that require no authentication32.3Dynamite Circle Discovery APIThe Discovery API from Dynamite Circle — 1 operation(s) for discovery.32.1TueFind subject discovery services (ixTheo, RelBib, KrimDok)Three national subject-information discovery services built and operated by Tübingen University Library on ...32.1University Library Discovery (Ex Libris Primo)The University Library's discovery layer runs on Ex Libris Primo at tu-berlin.hosted.exlibrisgroup.com — an...32.1Cornell University Library Catalog Search APIJSON search over Cornell University Library's catalog. The catalog is the library's own Blacklight deployme...32.0apiacre-com Discovery APIThe discovery API from apiacre-com — 2 operation(s) for discovery.31.9Eurostat Catalogue APIAPI for discovering all publicly available Eurostat datasets, browsing the navigation tree, and retrieving ...31.9EXVIV Discovery APIFree machine-readable catalog and coverage inputs.31.6Apache Atlas Discovery APISearch and discover metadata entities using various search strategies.31.5whiteclover Discovery APISelf-description: the machine index, skill.md, llms.txt, the agent card.31.4A2A Discovery APIMachine-readable service metadata31.3Glama MCP Server RegistryComprehensive index of 23,000+ MCP servers, 4,000+ managed connectors, and 169,000+ tools spanning 86 curat...31.3MSU Libraries Catalog Search APISearch half of the same MSU Libraries VuFind 11.0.4 REST API on catalog.lib.msu.edu/api/v1 — GET /search, /...31.3UMD Discover — library discovery layerUMD's library catalog and discovery layer, delivered as Ex Libris Primo through the University System of Ma...31.2Brown University Discovery APIThe API root link index.31.1BruKnow Library Discovery (Ex Libris Primo VE tenant)Brown University Library's discovery layer. search.library.brown.edu redirects to bruknow.library.brown.edu...31.1Julep Beauty Discovery APIStore metadata and agent-discovery documents.30.9swisscovery (SLSP / Ex Libris Alma) SRU — Basel institution zoneSRU (Search/Retrieve via URL) interface to swisscovery, the Swiss national library discovery platform, scop...30.9Maastricht University Library discovery (OCLC WorldCat)Library discovery runs on OCLC's hosted WorldCat Discovery under an institution-specific subdomain. A textb...30.8Cardiff LibrarySearch (Ex Libris Primo tenancy)librarysearch.cardiff.ac.uk is Cardiff's discovery layer, an Ex Libris Primo view (vid=44WHELF_CAR:CAR) sit...30.6Georgia Civic Data Discovery APISearch the catalog, and resolve a place or group name to the code the data uses.30.4GoDaddy Discovery APIIndicative, non-committing operations for finding and checking domains. Use suggestDomains for natural-lang...30.4Primitive Discovery APIUnauthenticated entry point that lists the API base URL, how to obtain credentials, and the operations call...30.3UCSF Library Discovery (Ex Libris Primo)UCSF Library's discovery layer, delivered on Ex Libris Primo. No UCSF-operated catalog API was found; the P...30.3Chain.Love Discovery APIPublic endpoints for discovering Chain.Love resources.30.2WorldCat Discovery — Université de MontréalLibrary discovery for the Université de Montréal libraries, delivered on OCLC WorldCat Discovery. Recorded ...30.0AgentPay Discovery APIThe Discovery API from AgentPay — 2 operation(s) for discovery.29.8CAMARA Project Discovery APIFind the closest Edge Cloud Zone to the user device.29.7Spring Data Discovery APIThe Discovery API from Spring Data — 1 operation(s) for discovery.29.747620-xyz Discovery APIThe Discovery API from 47620-xyz — 44 operation(s) for discovery.29.1California Attorney General Discovery APIThe JSON:API index.29.1Moralis Discovery APIThe Discovery API from Moralis — 11 operation(s) for discovery.29.0University of Melbourne Discovery APIHAL root document28.7Discover — EBSCO Discovery Service (Massey tenancy)"Discover" is Massey University Library's discovery layer, an EBSCO Discovery Service tenancy under custome...28.5Massey University Discovery APISearch and browse indexes.28.5Library Search (Ex Libris Alma / Primo) — tenancyRELATIONSHIP, NOT A CONTRACT. University of Leeds Libraries discovery and resource management run on the Ex...28.3NYCU Library Discovery (Ex Libris Primo tenancy)NYCU's library discovery layer, an Ex Libris Primo tenancy. Recorded as a real institutional relationship. ...28.3aisoup-net Discovery APIThe discovery API from aisoup-net — 1 operation(s) for discovery.28.2UC Berkeley Library GeoData (GeoBlacklight) Catalog APIThe UC Berkeley Library's GIS and map discovery application, built and hosted by the Library itself (the ap...28.2UC Library Search / Primo VE Discovery (Ex Libris tenant)Library discovery for the Berkeley campus runs on Ex Libris Primo VE as part of the shared UC Library Searc...28.2LayerZero Discovery APIThe Discovery API from LayerZero — 3 operation(s) for discovery.28.0University of Waikato Discovery APIOpenID Provider metadata and signing keys.28.0Waikato Library Discovery on Ex Libris Primo VE (tenant)The University of Waikato Library's discovery layer is a named tenancy on Ex Libris's shared Primo VE platf...28.0Chula Library Discovery (EBSCO tenant)The Office of Academic Resources fronts its licensed-content discovery through EBSCO, under the named custo...27.8LSE Library Search (Ex Libris Primo VE / Alma)LSE library discovery runs on Ex Libris Primo VE at librarysearch.lse.ac.uk, which CNAMEs to lse.primo.exli...27.7AI Catalog ManifestThe publishing half of the standard — the JSON manifest a domain serves at /.well-known/ai-catalog.json dec...27.6Te Waharoa Library Discovery (Ex Libris Primo / Alma tenancy)Te Waharoa is the library's discovery service, running on Ex Libris Primo backed by Alma on the institution...27.4Copernicus Marine CSW Catalogue APIThe Copernicus Marine Catalogue Service for the Web (CSW) provides OGC-compliant metadata discovery over th...27.2Library discovery (Ex Libris Alma / Primo VE tenant)Library resource management and discovery on Ex Libris Alma and Primo VE, operated as a Liverpool tenant. V...27.2Energy Information Administration Discovery APIBrowse the API tree to discover available routes, facets, and metadata.27.1DefaultBench Discovery APISearch sponsored DefaultBench listings and separate unpaid records imported from approved public registries.27.0University of Bristol Library Discovery (OCLC WorldCat Discovery)TENANT RELATIONSHIP, NOT A BRISTOL CONTRACT. Bristol's library discovery layer is an OCLC WorldCat Discover...26.8Curtin Library Discovery (Ex Libris Primo/Alma tenant)Curtin Library's discovery layer, running on Ex Libris Primo over Alma. The collection and the holdings are...26.7ExchangeRebel Discovery APIThe Discovery API from ExchangeRebel — 4 operation(s) for discovery.26.7Official MCP RegistryCommunity-driven, Anthropic-maintained registry that functions as an app store for MCP servers. Allows deve...26.7Pulse MCPThird-party MCP directory and news site. Maintains a sub-registry API that implements the Generic MCP Regis...26.7SmitheryThird-party MCP server registry and hosted runtime. Catalogs community-built MCP servers, generates install...26.7UOW Library Discovery (Ex Libris Primo / Alma tenancy)The UOW Library runs on the Ex Libris Alma library services platform with the Primo discovery layer, on the...26.6Abacore Discovery APIThe Discovery API from Abacore — 1 operation(s) for discovery.26.4Ex Libris Primo / Alma Library Discovery (01VAN_INST)Vanderbilt's library discovery layer runs on Ex Libris Primo VE with the institution code 01VAN_INST and vi...26.4King's LibrarySearch (Ex Libris Primo)Library discovery for King's, on Ex Libris Primo. GET / returns 200 and redirects to /discovery/search?vid=...26.4UQ Library discovery (Ex Libris Primo VE tenancy)UQ's library discovery layer, a Primo VE tenancy on Ex Libris. No contract is saved under UQ — any Primo or...26.3WorldCat Discovery (OCLC tenancy)The University of Glasgow Library's discovery layer, operated for the university by OCLC on a Glasgow-scope...26.2
Emerging 67 Early or largely undocumented
National Library of Medicine Discovery APIDiscover database metadata, related records, and citations.26.1Heriot-Watt Library Discovery (Ex Libris Primo)Library discovery and catalog search for Heriot-Watt's Edinburgh, Scottish Borders, Orkney, Dubai and Malay...25.9Library Discovery Catalogue (Ex Libris Primo VE tenancy)Leiden University Libraries' discovery catalogue at catalogue.leidenuniv.nl CNAMEs to leiden.primo.exlibris...25.9DripMetrics AI Discovery APIThe Discovery API from DripMetrics AI — 4 operation(s) for discovery.25.7National University of Singapore Discovery APIMachine-readable metadata describing the identity service and its signing keys.25.5University Library Primus Discovery (Ex Libris Primo/Alma tenancy)Primus, the University Library's central search portal, is an Ex Libris Primo deployment backed by Alma, se...25.5fabtally-com Discovery APIThe Discovery API from fabtally-com — 3 operation(s) for discovery.25.4Inflection AI Discovery APIThe Discovery API from Inflection AI — 1 operation(s) for discovery.25.4NOAA ERDDAP Discovery APISearch and browse available datasets.24.8NUsearch library discovery (Ex Libris Alma / Primo VE tenant)Library discovery and resource management on Ex Libris Alma and Primo VE, operated as a Nottingham tenant a...24.7Filrep.io Storage Provider APIRESTful JSON API for discovering and evaluating Filecoin storage providers (miners). Returns reputation sco...24.6swisscovery UNIGE (SLSP / Ex Libris)The University of Geneva's library discovery and management tenancy. Its catalog runs on Ex Libris Primo an...24.6Thunes Discovery APIThe Discovery API from Thunes — 6 operation(s) for discovery.24.3GS1 Discovery APIEndpoints to obtain information about the endpoint, such as EPCIS and CBV versions or custom vocabularies.24.0University of Alberta Library Catalogue (Alma Z39.50 + Primo VE)The library's discovery and catalogue layer is Ex Libris. The library publishes its own Z39.50 production s...23.7AlloyX Discovery APIThe Discovery API from AlloyX — 1 operation(s) for discovery.23.6swisscovery — University Library of Bern tenant viewLibrary discovery for the University of Bern runs on swisscovery, the Swiss Library Service Platform's shar...23.6WINE Library Discovery (Ex Libris Primo tenancy)Waseda University Library's discovery service, WINE, is an Ex Libris Primo VE tenancy under institution cod...23.6SINAB library catalog (self-hosted Ex Libris Aleph)catalogo.unal.edu.co runs Ex Libris Aleph on UNAL's own infrastructure (168.176.5.96), not on an Ex Libris ...23.2Library Discovery — Ex Libris Primo VE / Alma (tenant)The University of Sydney Library runs on the Ex Libris Alma library services platform with the Primo VE dis...22.9Nanjing University Library Catalog (OPAC)The library's catalog host. It is live but restricted to the campus network: every route, including an OAI-...22.9Fudan University Discovery APIMachine-readable metadata about the provider.22.7Omni library discovery — Ex Libris Primo VE (tenant)Western Libraries' discovery layer is Omni, the Ontario Council of University Libraries' shared Ex Libris A...22.3Sorbonne University Libraries — Ex Libris Primo discoveryLibrary discovery for Sorbonne University's letters, sciences and medicine libraries, running on Ex Libris ...22.2Library Discovery (Ex Libris Primo VE)Library discovery for Ohio State University Libraries, delivered on Ex Libris Primo VE through the OhioLINK...22.1Queensland University of Technology Discovery APIProvider metadata documents.22.1University of Rochester Library Discovery — Ex Libris Primo VE tenancyRiver Campus Libraries discovery runs on Ex Libris Primo VE under the institution-specific view identifier ...21.7USC Libraries Discovery (Ex Libris Primo VE, Tenant)USC Libraries' catalog and discovery layer runs on Ex Libris Primo VE as institution view 01USC_INST:01USC ...21.1CWRU library discovery — Ex Libris Primo view 01OHIOLINK_CWRU:CWRUCCWRU's library discovery layer is an Ex Libris Primo view operated through the OhioLINK consortium. digital...20.9Free Cocktail API Discovery APIThe Discovery API from Free Cocktail API — 4 operation(s) for discovery.20.9Tekton Hub APITekton Hub is a public catalog of reusable Tasks and Pipelines exposed via REST API — search, fetch, and re...20.9University of Sussex Library Discovery (Ex Libris Primo tenant)Library discovery for Sussex runs on Ex Libris Primo VE as institution view 44SUS_INST / 44SUS_VU1, hosted ...20.9Library discovery — Ex Libris Primo tenancyLibrary discovery runs on Ex Libris Primo VE at abdn.primo.exlibrisgroup.com with institution view 44ABE_IN...20.7Cheniere Energy Discovery APIThe posting page tree and the TSPs served.20.5Library Search — Ex Libris Primo VE / Alma discovery tenancyQueen Mary's library discovery layer is Ex Libris Primo VE over Alma, fronted by the vanity host librarysea...20.5BU Libraries Discovery (Ex Libris Primo)Boston University Libraries' discovery layer runs on Ex Libris Primo under Boston University's tenant view ...20.2Loughborough University Library Discovery (VuFind)VuFind discovery layer at vufind.lboro.ac.uk, the public search interface over the Koha catalogue, on manag...20.2HUJI Library Discovery (Ex Libris Primo tenant)Library discovery for the Hebrew University's library system, running on Ex Libris Primo under institution ...19.8Hokkaido University Web SitemapsXML sitemaps for the university's two public web estates — the 2.4 MB sitemap.xml on the Japanese site and ...19.7HUSCAP XML SitemapsPublicly crawlable XML sitemap index for HUSCAP, the Hokkaido University Collection of Scholarly and Academ...19.7TAU Libraries Primo VE Discovery (DaTA Search)Tel Aviv University Libraries run Ex Libris Primo VE for catalogue discovery, branded "DaTA Search", instit...19.7Crystallize Discovery / Search APISemantic GraphQL API combining browse, search, and autocomplete in a single endpoint. Supports filtering, f...19.4Condé Nast Brand Sitemap IndexEach brand site exposes an XML sitemap index at `/sitemap.xml` pointing to per-month sub-sitemaps (e.g. `/s...19.3Unika Library Discovery (Ex Libris Primo VE tenancy)Unika is the university library's discovery layer, an Ex Libris Primo VE tenancy. Primo's public "primaws" ...19.3AUB Libraries discovery and management (Ex Libris Primo / Alma)AUB's library discovery and library services platform are Ex Libris products under AUB-specific tenancies: ...19.1Qatar University Discovery APIProvider metadata and signing keys.19.0UCL Library Discovery (Ex Libris Primo VE tenancy)UCL Library Services runs its catalog and discovery layer on Ex Libris Primo VE, at an institution-specific...18.3Universiti Teknologi PETRONAS Discovery APIThe Discovery API from Universiti Teknologi PETRONAS — 4 operation(s) for discovery.18.3AlmaStart Library Discovery (Ex Libris Primo VE tenancy)AlmaStart is the University of Bologna library system's discovery layer. The entry point almastart.unibo.it...18.2DTU Findit — library discoveryDTU Library's discovery interface, running on DTU's own host on the open-source Blacklight stack rather tha...17.8Griffith Experts (Symplectic Discovery)Griffith Experts is the university's public researcher-profile and research-output discovery portal, runnin...17.4Stacklok Discovery APIThe discovery API from Stacklok — 1 operation(s) for discovery.17.4Wuhan University Library catalog (Ex Libris Aleph tenant)The library's online public access catalog at opac.lib.whu.edu.cn, running Ex Libris Aleph — the root docum...17.4Agent Traffic Lab Discovery APIThe Discovery API from Agent Traffic Lab — 4 operation(s) for discovery.17.0Tano Discovery APIStatic discovery files for AI agents (llms.txt, manifests, sitemap).16.6Library Discovery (Ex Libris Alma/Primo) — Bath tenancyThe University of Bath library catalogue runs on Ex Libris Alma with Primo VE discovery. The public front e...16.1Director of National Intelligence Discovery APIContent types, taxonomies, statuses, authors and oEmbed.16.0GitHub Native Citation SupportGitHub natively reads CITATION.cff files and renders a Cite this repository button on the repository landin...15.8SAASH Discovery APIThe Discovery API from SAASH — 1 operation(s) for discovery.15.5Cercabib — CRAI library discovery (Ex Libris Primo VE, view 34CSUC_UB)The CRAI library discovery layer for UB, delivered on Ex Libris Primo VE under the CSUC shared Alma tenancy...15.4LONTAR Library OPACThe University of Indonesia Library online public access catalogue, served at lib.ui.ac.id (lontar.ui.ac.id...15.4Catálogo Bibliotecas UChile (Ex Libris Primo VE)Library discovery for the University of Chile runs on Ex Libris (Clarivate) Primo VE at catalogo.uchile.cl,...15.1NCKU Library discovery (Ex Libris Primo VE tenancy)NCKU Library's catalog and discovery layer runs on Ex Libris Primo VE backed by Alma, under the NCKU tenant...14.6TJU Library Unified Discovery (统一检索)The library's unified discovery front end at find.lib.tju.edu.cn, reachable from outside the campus network...14.4Software Discovery ToolSoftware Discovery Tool helps match developer requirements with available open source software tested on th...12.7Monash Library Discovery (Ex Libris Primo tenant)Monash Library's discovery layer. search.lib.monash.edu redirects to monash.primo.exlibrisgroup.com/discove...12.2Deakin University Library catalogue — Ex Libris tenantLibrary discovery for Deakin. library.deakin.edu.au resolves to 216.147.221.162, which whois attributes to ...11.6
Minimal 6 Almost no public developer surface

Companies reaching this through an API (432)

These companies publish an API, specification or operation carrying “Discovery” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

3GPP 47620-xyz 9bot _done A2A a2awire-com Aalto University Abacore Ada Diamonds Adako Agent Traffic Lab Agent Upgrade Network Agentbookable agenteconomy.cloud Agentel AgenticTrade AgentPay AgenTrux agentry-com AgentStack AgentTool AgileHero Agnic Agoragentic AI Content Drop aicomglobal AiFinPay AIMEAT Aircover aisoup-net AIWebSignals AlgoVoi AlloyX Alma American University of Beirut ampworth-com AMZ Downloader AMZScout Anahana AnchorRegistry AnyGas Apache Atlas API Evangelist apiacre-com Apier.no APIs.io AppOmni Ariba Artifactories AsterPay
Show all 432 companies ↓
ATA Travel Augmentt AuraVMS Averray Bird Bisibility Bitrefill blinkpdf-io BLOBPEDIA BMC XIV Bolot Studio Boston University BrainstormRouter Brocade Brown University bubblio-dev Bureau of Consular Affairs Calculate.co.nz California Attorney General CAMARA Project CanFly Cape Partners Capella Space Cardiff University Carrier Global Case Western Reserve University CatchIntent Cequence Security Chain.Love CharacterQuilt CharitySense Charles University Cheniere Energy Chulalongkorn University Citation File Format Clarity ClawLink ClawSpan Clearbit (HubSpot Breeze Intelligence) Clerion Cloud Native Buildpacks Cloud World Model cnvs.app codai CodeAtlas cogDepot Coin Railz communicate-so Comparr Compeller ComputeFirst Condé Nast ConfigDirector CONNSKILL Copernicus Marine CoreStory Cornell University CorpusIQ CorroborateMe cortexcloud-org Covalent Craft Quantities Craig Brown (BlindOracle) CryptoDecentral Crystallize Curtin University Cuvo Health Dant3 DataSportsAPI DayPilot Daystruct Deakin University Dealroom DefaultBench Defense Technical Information Center Delinea Dell Servers Delx Despegar Digicert digitalpublic-com Director of National Intelligence Domani Dotdash Meredith / People Inc Dotdigital Dott DripMetrics AI Drivings Dun & Bradstreet Dynamite Circle EagleView EcoAloha EcomScout Edge Network ELAV8.ai Emory University encarapi-com Energy Information Administration Entur Envoy Proxy EPFL Etch ETH Zurich – Swiss Federal Institute of Technology eudr.dev EUMETSAT Euroref Eurostat Eventwren EveryInfra ExchangeRebel EXVIV Fabler Labs fabtally-com fal fAlpha FeedOracle Technologies ffpipe Filecoin Fine Structure FlipLetters FOLIO FrameThrower Free Cocktail API Fudan University Fuentio Gadjah Mada University gaipagents-com GammaFlip.io GEN Georgia Civic Data Ghent University Ginnie Mae GitHub Glama Gluu GoDaddy greencalculus-com Griffith University GS1 GSMA Hagglebee HAProxy Harvard University Hebrew University of Jerusalem Helm Hergert Synthora Heriot-Watt University Hermoso AI Hive Civilization Hokkaido University Humboldt-Universität zu Berlin IAB Tech Lab Impact Infinite Audience Inflection AI Influence InfraPulse Inrupt insumermodel-com invinoveritas Iridium Itaú Unibanco IXON Jack Henry & Associates Jentic Jobfinder AI joinsandwich-com Julep Beauty Karlsruhe Institute of Technology KeepBal KG-NINJA Khalifa University Kimetsu King Fahd University of Petroleum & Minerals King's College London Kronos Quant Signal API kymaapi-com Lancaster University Landgate LayerZero Leadspace Leiden University lenz-io Level2 LinkAGI Model API Linkerd Liquid Death Login.gov London School of Economics and Political Science loopholetape-com Loughborough University lovedone-app Luna Lunar Lund University Maastricht University Macquarie University majr-app manylives-me Massey University MediaRuntime Merchant-0 Michigan State University Microsoft Azure Microsoft Purview Miro Mitchell 1 Model Context Protocol (MCP) ModelRush Monash University Moralis NAIC Nanjing University NASA CMR National Cheng Kung University National Energy System Operator (NESO) National Library of Medicine National Tsing Hua University National University of Colombia National University of Singapore National Yang Ming Chiao Tung University Neo4j nexbid-dev NiCE NOAA ERDDAP OddsRelay Ohio State University Oil Price API Open Mainframe Project OptionsAhoy Optum Oracle Oracle Enterprise Manager Orange Logic Orthogonal Pagesnap ParlayAPI Peking University Physical Capability Cloud Pixelfed Ploid Pluton Biosciences Plyrium postlake-dev Primitive Princeton University PrivateDAO PropelAuth PydanticAI Qatar University Queen Mary University of London Queensland University of Technology Quietforge Studio QuizAPI Recipe API Refinitiv Eikon Relm replynodes-com riskmodels-app Roboto Roku Root (fka Slim.ai) RubyGems SAASH Sahara AI satoshidata-ai ScienceLogic Scout RFP (Workday Strategic Sourcing) Sellfy Seoul National University ServiceNow Seshat Markets Shveik sitegpt-ai slideforge-dev Smart Pension SNHP Sorbonne University SPIRE Spring Data Spring Security sqlguard-io SSSNACK Stacklok Storecove Stytch SwarmDM Sylvia API Tano TeamOhana Technical University of Berlin Technical University of Denmark Tekton TheMealDB thevicinityapp-com Thunes Tianjin University TradeDataHub Public API TU Wien Typeface UCL UiPath Unisson Universiti Teknologi PETRONAS University College Dublin University of Aberdeen University of Alberta University of Auckland University of Barcelona University of Basel University of Bath University of Bern University of Birmingham University of Bologna University of Bristol University of California, Berkeley University of California, Davis University of California, San Francisco University of California, Santa Barbara University of Cambridge University of Chicago University of Chile University of Edinburgh University of Florida University of Geneva University of Glasgow University of Groningen University of Helsinki University of Hong Kong University of Illinois Urbana-Champaign University of Indonesia University of Leeds University of Lisbon University of Liverpool University of Macau University of Maryland College Park University of Melbourne University of Navarra University of New South Wales University of Nottingham University of Ottawa University of Oxford University of Queensland University of Reading University of Rochester University of Southern California University of Sussex University of Sydney University of the Witwatersrand University of Tübingen University of Vienna University of Waikato University of Warsaw University of Warwick University of Western Australia University of Wollongong University of York Université de Montréal Université libre de Bruxelles unplain-io US Census Bureau Vanderbilt University Vantor Vaultfire Protocol Victoria University of Wellington Voyant.io Waseda University We > Ultrarich Weaviate Western University whiteclover Wuhan University xavio-in XGuard yappy-biz Yarnhen Yawplet ydb-qdrant-tech zambo-dev Zephyr Cloud Zoca النحاسيات الشهباء

Score breakdown

Frequency
75.4
log-scaled weighted occurrences
Breadth
0.8
spread across providers
Quality lift
25.3
mean composite of providers using it
Cohesion
21.5
strength of nearest seed neighbor

Related tags

University 118 co-occurrences Identity Federation 118 co-occurrences Library 119 co-occurrences SAML 108 co-occurrences Higher Education 118 co-occurrences OAI-PMH 100 co-occurrences Shibboleth 89 co-occurrences Research Data 86 co-occurrences

Where this tag comes from

Api tag461
Provider tag61
Openapi tag261
Openapi op tag1065

Cohort brief

Auto-generated

The 54 providers in the APIs.io catalog tagged Discovery, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
54
of 61 in the catalog
Mean Kin Score
27.9
+3.8 vs catalog 24.1
Mean Agent Readiness
17.8
+3.7 vs catalog 14.1
Spread
3.6–82.5
median 21 · σ 20.4
How the 54 split by band
Exemplar 4Strong 3Developing 8Thin 9Emerging 19Minimal 11
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 25.4 18.6 +6.8 54
Operational Transparency 18 13.2 +4.8 54
Contract Governance 13.7 9.7 +4 54
Discoverability 62.4 59.1 +3.3 54
Developer Ergonomics 25.9 24.5 +1.4 54
Access Clarity 30.4 30 +0.4 54

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 31% 18% +13
MCP server (first-party) 31% 16% +15
Agent Skills 0% 0% 0
OAuth scopes 17% 13% +4
Security 98% 99% -1
Arazzo workflows 2% 1% +1
Governance rules 52% 36% +16

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

All 61 members of this roster resolve to a provider in the catalog; 54 carry a score (89%). The figures above describe the scored members only.
Coverage caveat. 40 of 54 scored members had under half their catalog-attributable points satisfied at all (catalog_earned / catalog_max < 0.5). They are INCLUDED in the mean above. A large share here means the cohort mean is partly a measurement of how far our enrichment reached, not only of how these providers publish.Generated from the catalog build of 14 November 2026, across 41591 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This tag
curl "https://apis.io/api/v1/tags/discovery"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort (paid plan)
The distribution (Pro)

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.