established · 0.0 capabilitymarket actiondomain

Discovery

Score 30.0 / 100 37 providers +356 via APIs 395 APIs Search apis.io →
Variants seen in the corpus: Discoverydiscovery

Providers using this tag (37)

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

Exemplar 3 Complete, well-documented, and agent-ready
Strong 1 Solid coverage with minor gaps
Developing 6 Usable, with meaningful gaps to close
Thin 5 Limited public surface area
Emerging 12 Early or largely undocumented
Minimal 7 Almost no public developer surface
Unrated 3 Not yet scored

APIs with this tag (395)

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 13 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...90.0CData Connect AI OpenAPI APIGenerates and returns an OpenAPI document describing the data in a Connect AI workspace, so no-code and low...74.6Redocly Scout Agent APIThe Scout agent is the self-hosted worker half of Scout, deployed inside the customer's own infrastructure ...74.6Redocly Scout APIScout is Redocly's API-discovery service: it crawls connected Git remotes, tracks pull requests and runs jo...74.6Microsoft Azure Discovery APIThe Discovery API from Microsoft Azure — 4 operation(s) for discovery.73.3Postman Tags APIThe Tags API manages tags applied to APIs, collections, and workspaces for organization, governance reporti...72.5HERE API Lookup Service v1HERE API Lookup Service v1 — 4 operation(s) across 4 path(s), OpenAPI 3.0.1 version 1.0.4, harvested verbat...68.4Impact MCP ServerRemote Model Context Protocol server for impact.com. Fifteen documented tools give an AI assistant account-...68.2fal Models Catalog APIRead-only discovery endpoints for browsing fal's 1,000+ production model catalog, including model metadata,...67.6GitHub Search APIThe GitHub Search API lets you programmatically find and filter content across GitHubincluding repositories...67.3Leadspace Discovery APIBulk account expansion into net-new contacts67.3API Evangelist APIsIndividual API resources tracked across the API Evangelist network, drawn from many providers and business ...66.9API Evangelist Discovery APIReusability and experience (DX/AX) analysis across a set of APIs.66.9
Strong 30 Solid coverage with minor gaps
UiPath Discovery APIDiscover available projects, classifiers, and extractors66.1Inrupt Discovery APIWebSocket Discovery65.6GitLab Search APIThe GitLab Search API enables programmatic search across a GitLab instance, group, or project. It supports ...64.4PropelAuth Discovery APIOpenID Connect discovery64.4D&B Direct+ Search APIThe Search surface of D&B Direct+ lets applications find businesses, principals, and related entities using...64.0Janssen SCIM APIThe Janssen SCIM 2.0 service (RFC 7642/7643/7644) for cross-domain identity management — users, groups, FID...63.5Dotdigital Marketing Developer Hub MCP ServerA remote MCP server that exposes the Dotdigital OpenAPI corpus and the developer-hub documentation to AI co...62.8Covalent Discovery APIList and search x402 endpoints exposed by GoldRush.62.2Optum Discovery APIThe Discovery API from Optum — 1 operation(s) for discovery.61.5ServiceNow Agent Client Collector APIThe ServiceNow Agent Client Collector (ACC) API provides REST endpoints for managing agent client collector...60.7ServiceNow Identification and Reconciliation APIThe ServiceNow Identification and Reconciliation API provides a REST endpoint for creating or updating conf...60.7Clearbit Discovery APISearch Clearbit's company database with a structured query to build target-market lists. Endpoint /v1/compa...60.3Microsoft Purview Discovery APIOperations for searching and discovering data assets60.2Oracle Discovery APIThe discovery API from Oracle — 8 operation(s) for discovery.60.2Warwick Library Discovery (Summon)Warwick's library discovery layer. encore.lib.warwick.ac.uk issues an HTTP 302 to warwick.summon.serialssol...60.1We > Ultrarich Discovery APIDiscover (list) the available endpoints.59.9Cadasto System APIThe openEHR ITS-REST System API: a single OPTIONS operation returning server capabilities, the openEHR spec...59.4AppOmni Discovery, Insights and Audit APISaaS discovery of sanctioned and shadow applications, the Insights security-observation surface, and the Ap...58.3Stytch Discovery APIThe Discovery API from Stytch — 5 operation(s) for discovery.58.2GSMA Discovery APIFind the closest Edge Cloud Zone to the user device.57.0Orthogonal Discovery APIFind APIs and endpoints, inspect parameters, and get code snippets.56.8Smart Pension Discovery APIThe Discovery API from Smart Pension — 1 operation(s) for discovery.56.6UM 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...56.3CatalogPlus 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...56.2TMDB APIThe full TMDB REST API surface (v3). Covers movies, TV series, seasons, episodes, people, credits, images, ...56.0Fabric Origin Katch Media APIKatch genomic taste data — content broken into core attributes, organised into traits and content clusters.55.8Fabric Origin Rabbit Recommendations APIContent recommendations over the Origin catalog.55.8iDiscover 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...55.2Login.gov Discovery APIOIDC discovery and public key endpoints.54.8PydanticAI discovery APIThe discovery API from PydanticAI — 1 operation(s) for discovery.54.3
Developing 106 Usable, with meaningful gaps to close
Fusio System APIThe Fusio System API is the meta surface every Fusio instance exposes without configuration. It carries the...54.2Helka Library Discovery — Ex Libris Primo tenantTENANT RELATIONSHIP. helka.helsinki.fi redirects to an Ex Libris Primo discovery interface with view identi...54.1Sylvia API Discovery APIThe Discovery API from Sylvia API — 3 operation(s) for discovery.54.1University of Helsinki API Portal (Gravitee)The University's own API developer portal and gateway — a self-hosted Gravitee API Management deployment. T...54.1UCSB 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...53.4US Census Bureau Discovery APIDataset discovery via the DCAT-compliant catalog53.0BUW 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...52.9Authelia Discovery APIWell-known discovery endpoints.52.8Azure Migrate Discovery APIManage discovery sites and inventory of on-premises servers, databases, and applications. Provides agentles...52.6Enterprise Manager Target Management APIAPI for managing monitored targets including discovery, configuration, lifecycle operations, bulk property ...52.6UNSW 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...52.6Carrier Lynx Dev Portal GraphQLThe GraphQL backend behind the Lynx Fleet Dev Portal. Its /public/graphql endpoint answers anonymously and ...52.5Lunar Discovery APIAPI discovery and remedy state reporting52.3Search APIAPI enabling search across organizations, instruments, quotes, and economic indicators on the Refinitiv Dat...51.8GSMA Open Gateway Discovery APIFind the closest Edge Cloud Zone to the user device.51.4Delinea Discovery APIDiscoveryController51.0SNU Library Discovery (Ex Libris Primo / Alma) — tenancySeoul National University Library runs library management and discovery on Ex Libris Alma and Primo, instit...50.73GPP Forge APIThe 3GPP Forge (forge.3gpp.org) is a self-managed GitLab instance where 3GPP publishes the machine-readable...49.8Typeface Discovery APIThe Discovery API from Typeface — 2 operation(s) for discovery.49.4HKU 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...48.9University of Hong Kong Discovery APIMetadata documents that describe the identity service.48.9Repositorio da Universidade de Lisboa — DSpace REST APIAnonymous HAL+JSON REST API of the institution's DSpace 7.6.1 repository — communities, collections, items,...48.6TeamOhana Discovery APIThe Discovery API from TeamOhana — 3 operation(s) for discovery.48.5Weaviate discovery APIThe discovery API from Weaviate — 1 operation(s) for discovery.48.2Augmentt DiscoverAugmentt Discover provides SaaS discovery and Shadow IT detection capabilities for MSPs, identifying all cl...48.1University Library Discovery (Ex Libris Primo)TENANT RELATIONSHIP, not a UIUC contract. Library discovery at Illinois runs on Ex Libris Primo — search.li...48.1UMD Discover — library discovery layerUMD's library catalog and discovery layer, delivered as Ex Libris Primo through the University System of Ma...47.9UWA 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...47.9Macquarie University Library MultiSearch (Ex Libris Primo)Library discovery for Macquarie runs on Ex Libris Primo at multisearch.mq.edu.au. The holdings are Macquari...47.7Macquarie University Research Portal OAI-PMHThe one institution-operated, keyless, machine-readable API surface Macquarie publishes. OAI-PMH 2.0 metada...47.7Buildpack RegistryThe Cloud Native Buildpacks registry indexes published buildpacks for discovery and reuse. It mirrors metad...47.4UC 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...47.3Dell Servers Discovery APINetwork discovery configuration and job management46.9HOLLIS 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...46.9University 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...46.7Root (fka Slim.ai) Discovery APIThe Discovery API from Root (fka Slim.ai) — 2 operation(s) for discovery.46.6UGM ID — OAuth 2.0 / OpenID Connect Authorization ServerUniversitas Gadjah Mada's own identity API, operated by the Directorate of Information Technology (DTI) at ...46.6Lancaster 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...46.2University 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, ...46.1University 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...46.1Jack Henry & Associates Discovery APIOpenID Connect discovery and JWKS.45.7XML Sitemaps Across PropertiesEvery People Inc brand exposes a discoverable sitemap index at /sitemap.xml with per-section sitemap files....45.7PKU Institutional Repository OpenSearch FeedOpenSearch 1.1 query interface returning an Atom feed of repository records, served from the institution's ...45.4Brocade SANnav Management Portal REST APIThe Brocade SANnav Management Portal REST API provides a programmable web-service interface for accessing a...45.2Roku Discovery APIDevice discovery and metadata45.0Pixelfed Discovery APITrending content, suggestions, and directory44.9WIReDSpace DSpace REST Discovery APIBrowse indexes and the search/discovery endpoint over WIReDSpace holdings, plus an OpenSearch 1.1 descripti...44.8ETH 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...44.7Omni 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...44.4Neo4j Discovery APIServer discovery endpoint that returns available endpoints, server version, edition, and authentication con...43.9WorldCat Discovery — Université de MontréalLibrary discovery for the Université de Montréal libraries, delivered on OCLC WorldCat Discovery. Recorded ...43.9Hyperice Discovery APIAgent- and crawler-facing discovery documents.43.8CMR OpenSearch APIOpenSearch-compliant API wrapper for CMR Search enabling standard OpenSearch client integration. Supports c...43.7SPIRE Discovery APIOpenID Connect discovery document endpoint that describes the OIDC provider configuration and supported cap...43.7Voyant.io Discovery APIOne-time discovery runs and results.43.7YorSearch 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...43.7u: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...43.5CharacterQuilt Discovery APIThe Discovery API from CharacterQuilt — 1 operation(s) for discovery.43.4Dott Discovery APIAuto-discovery of available feeds and cities43.4Emory Libraries Discovery (Ex Libris Primo VE)Library discovery and catalog search for Emory Libraries runs on Ex Libris Primo VE. The Emory entry point ...43.3University Library Discovery (Ex Libris Primo)The University Library's discovery layer runs on Ex Libris Primo at tu-berlin.hosted.exlibrisgroup.com — an...43.2UKAZ Library Discovery — Ex Libris Primo VE tenancyUKAZ, the Charles University library discovery service, is an Ex Libris Primo VE tenancy. ukaz.cuni.cz redi...43.1WashU WordPress REST APIs (CampusPress)Every WashU departmental site probed exposes a live, unauthenticated WordPress REST API with a complete rou...43.1KIT Library Catalogue REST API (self-hosted Koha)The KIT Library self-hosts Koha, the open-source integrated library system, at katalog.bibliothek.kit.edu, ...43.0Sahara AI Discovery APIDiscover models and compute providers available on the network.43.0Recipe API Discovery APIRequires API key. No credit cost. Browse categories, cuisines, and dietary options.42.9Helm Repository Index SchemaJSON Schema for the index.yaml file served by Helm chart repositories. The index is the primary discovery m...42.8Zoca Discovery APIThe Discovery API from Zoca — 35 operation(s) for discovery.42.8EPFL 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...42.6Ghent 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...42.6Scout RFP (Workday Strategic Sourcing) discovery APIEndpoints to facilitate discovery of SCIM service provider features42.6UCD Library discovery (Serials Solutions / Clarivate)UCD Library's discovery layer runs on Serials Solutions (Clarivate/ProQuest) under a customer key, not on a...42.5DiscoverEd Library Discovery (Ex Libris Primo) — tenantDiscoverEd is the University Library's discovery layer, an Ex Libris Primo tenancy on an Edinburgh subdomai...42.4NYCU Library Discovery (Ex Libris Primo tenancy)NYCU's library discovery layer, an Ex Libris Primo tenancy. Recorded as a real institutional relationship. ...42.4Aalto Learning Centre discovery (Ex Libris Primo / Alma, Finna)Library discovery and the library management system are Ex Libris products under Aalto tenancies — primo.aa...42.2Digital PUL (DPUL)Princeton's public digital collections site at dpul.princeton.edu (pulibrary/dpul), the presentation layer ...42.1Ex 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...42.1Princeton University Library Catalog (Orangelight)Princeton's library catalog at catalog.princeton.edu, a Blacklight application the Library writes and maint...42.1Princeton University Library Finding Aids (PULFAlight)Archival finding aids for Princeton's special collections and the Mudd Manuscript Library, served by an Arc...42.1Princeton University Library Maps and Geospatial Data (PUL Map)GeoBlacklight application at maps.princeton.edu (pulibrary/pulmap) serving Princeton's geospatial data cata...42.1DI-fusion OpenSearch DescriptionOpenSearch 1.1 description document for the DI-fusion discovery interface, allowing a client to register DI...42.0Lund University Publications unAPIunAPI 1 discovery service returning the alternate metadata formats available for LUP records, which is how ...41.9TIER Discovery APIGBFS discovery and versioning41.9Ease Discovery APISelf-describing metadata: registered content types, taxonomies and post statuses.41.7HPSF Site Discovery APIThe WordPress REST route index at https://hpsf.io/wp-json/ - the anchor the site's RFC 9727 /.well-known/ap...41.7Cardiff LibrarySearch (Ex Libris Primo tenancy)librarysearch.cardiff.ac.uk is Cardiff's discovery layer, an Ex Libris Primo view (vid=44WHELF_CAR:CAR) sit...41.4Liquid Death Discovery APIStore-level discovery documents for crawlers and agents41.4SOLO 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...41.4UCSF Library Discovery (Ex Libris Primo)UCSF Library's discovery layer, delivered on Ex Libris Primo. No UCSF-operated catalog API was found; the P...41.4Landgate Discovery APIAutocomplete, resource search and the DCAT catalog40.9DigiCert Discovery APIThe DigiCert Discovery API enables scanning of internal and public-facing networks using sensors to find SS...40.8Bird Discovery APIGBFS auto-discovery and version metadata40.7MSU 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, /...39.9UF Libraries Patron APIThe public read API of the George A. Smathers Libraries, backing the UF Digital Collections, the Digital Li...39.9Voidpet Discovery APIThe Discovery API from Voidpet — 1 operation(s) for discovery.39.8Discover — EBSCO Discovery Service (Massey tenancy)"Discover" is Massey University Library's discovery layer, an EBSCO Discovery Service tenancy under custome...39.6KFUPM Identity Federation (SAML 2.0 + OpenID Connect)KFUPM's own identity provider at sts.kfupm.edu.sa (Microsoft AD FS). Publishes signed SAML 2.0 federation m...39.6Massey Research Online DSpace REST APIHAL/JSON REST API for Massey Research Online, running DSpace 8.3. Anonymous read is permitted on the reposi...39.6Massey Research Online OAI-PMHOAI-PMH 2.0 metadata-harvesting interface for Massey Research Online (Pātaka Rangahau), the university's DS...39.6University of Melbourne Discovery APIHAL root document39.6Cisco Hardware Discovery APIThe Discovery API from Cisco Hardware — 1 operation(s) for discovery.39.4CoreStory discovery APIThe discovery API from CoreStory — 3 operation(s) for discovery.39.4Discovery RFx Publication FROM External Marketplace APIPublishes RFx events from an external marketplace into SAP Ariba Discovery for sourcing activities.39.3Discovery RFx Publication TO External Marketplace APIPublishes RFx events from SAP Ariba to external marketplaces for broader supplier participation.39.3TueFind subject discovery services (ixTheo, RelBib, KrimDok)Three national subject-information discovery services built and operated by Tübingen University Library on ...39.3UB Tübingen library catalogue (IBS|BW consortium tenant)The University Library's main catalogue and discovery interface. Verified 2026-09-01: https://katalog.ub.un...39.3
Thin 147 Limited public surface area
Life Biosciences Discovery APIThe Discovery API from Life Biosciences — 3 operation(s) for discovery.39.2ProductPlan Discovery APIManage ideas, opportunities, customers, and idea forms39.2UKM Web Content REST API (WordPress wp/v2)UKM runs its web estate on self-hosted WordPress and leaves the wp/v2 REST API open for unauthenticated rea...39.2Capella Space Catalog APIThe Capella Catalog API is a STAC-compliant search interface over the archive of SAR collects. Clients quer...39.1Envoy Proxy Health Discovery Service APIThe Envoy Health Discovery Service (HDS) is a gRPC-based API that enables a management server to instruct E...39.1Alloplex Biotherapeutics Discovery APIRoute, type, taxonomy and status discovery documents.38.9Library 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...38.8Linkerd Discovery APIAPI resource discovery38.6HAMi Website Discovery APIThe machine-readable discovery surface of the HAMi documentation website, described by a first-party OpenAP...38.5SAP Ariba Discovery RFx Publication FROM External Marketplace APIImports RFx opportunities from external marketplaces into SAP Ariba.38.4SAP Ariba Discovery RFx Publication TO External Marketplace APIPublishes RFx opportunities to external marketplaces for broader supplier discovery.38.4Unisson discovery APIThe discovery API from Unisson — 6 operation(s) for discovery.38.4University of Bristol Library Discovery (OCLC WorldCat Discovery)TENANT RELATIONSHIP, NOT A BRISTOL CONTRACT. Bristol's library discovery layer is an OCLC WorldCat Discover...38.3Cequence API SpyderAPI Spyder is a SaaS-based, agentless external discovery service that provides an attacker's view into an o...38.2BioAegis Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.38.1Bureau of Consular Affairs Discovery APIRead-only discovery actions (packages, groups, organizations, tags).38.1SirsiDynix Enterprise Library Catalogue (tenant)The library's catalogue, a SirsiDynix Enterprise tenant at rdg.ent.sirsidynix.net.uk/client/en_GB/library (...38.1Maastricht University Library discovery (OCLC WorldCat)Library discovery runs on OCLC's hosted WorldCat Discovery under an institution-specific subdomain. A textb...37.9Daring Foods Discovery APIThe self-describing metadata layer - route index (222 routes across 10 namespaces), registered post types, ...37.7JenaValve Technology Discovery APIRoute and capability discovery documents.37.7Centrexion Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.37.4Gotham Greens Discovery APIPublic, unauthenticated site, content-type, taxonomy and status metadata — the self-describing route index ...37.4Belharra Therapeutics Discovery APIRoute, type, taxonomy, status and author discovery documents.37.2Eurostat Catalogue APIAPI for discovering all publicly available Eurostat datasets, browsing the navigation tree, and retrieving ...37.2Cresilon Discovery APIPublic, unauthenticated site, content-type, taxonomy, status and author metadata — the self-describing rout...37.0King's LibrarySearch (Ex Libris Primo)Library discovery for King's, on Ex Libris Primo. GET / returns 200 and redirects to /discovery/search?vid=...36.8NTHU 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...36.7RubyGems Search APIThe RubyGems Search API allows developers to search for gems by matching a query string against gem names a...36.7Star Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.36.7Kriya Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.36.6swisscovery UNIGE (SLSP / Ex Libris)The University of Geneva's library discovery and management tenancy. Its catalog runs on Ex Libris Primo an...36.6Te 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...36.1Allay Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.35.9UC Berkeley Library GeoData (GeoBlacklight) Catalog APIThe UC Berkeley Library's GIS and map discovery application, built and hosted by the Library itself (the ap...35.9UC 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...35.9_done CatalogSingle-page agent-native catalog of the 27 _done pay-per-call utility APIs. Publishes a real llms.txt, a ro...35.8Cornell University Library Catalog Search APIJSON search over Cornell University Library's catalog. The catalog is the library's own Blacklight deployme...35.7Ex 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...35.7LinkAGI Model API Discovery APIInspect the models visible to the current token group.35.7Maxar Discovery APIThe Discovery API from Maxar — 5 operation(s) for discovery.35.6Maxar Discovery APIUnified catalog search across Archive Imagery, Vivid Basemaps, and Change Monitoring. Supports filtering an...35.6Curtin 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...35.5Spring Security Discovery APIThe Discovery API from Spring Security — 2 operation(s) for discovery.35.5University of Waikato Identity Provider (uowidp)The university's own OpenID Connect 1.0 provider, on its own API gateway at api.svc.waikato.ac.nz/uowidp/v1...35.5Waikato 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...35.5QUT ESOE OpenID Connect ProviderQUT's enterprise single sign-on authorization server, a Keycloak deployment on QUT's own address space. Pub...35.3Brooklinen Discovery APISitemaps and agent discovery documents.35.1HUJI Library Discovery (Ex Libris Primo tenant)Library discovery for the Hebrew University's library system, running on Ex Libris Primo under institution ...35.1LSE Archives Catalogue (Epexio)The LSE Library archive catalogue at archives.lse.ac.uk runs on Epexio, a hosted archival discovery platfor...35.1LSE 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...35.1Library 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...34.8QuizAPI Discovery APIEndpoints that require no authentication34.8UQ 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...34.8ICON Aircraft Discovery APISelf-describing metadata about the content types this site exposes.34.4swisscovery (SLSP / Ex Libris Alma) SRU — Basel institution zoneSRU (Search/Retrieve via URL) interface to swisscovery, the Swiss national library discovery platform, scop...34.4BU Libraries Discovery (Ex Libris Primo)Boston University Libraries' discovery layer runs on Ex Libris Primo under Boston University's tenant view ...34.3Neomorph Discovery APIRoute, post-type, taxonomy and status discovery documents — the 432-route, 23-namespace index the deploymen...34.3Brown Digital Repository (BDR) APIThe Brown University Library's public, keyless REST API over the Brown Digital Repository — an item API, a ...34.0BruKnow Library Discovery (Ex Libris Primo VE tenant)Brown University Library's discovery layer. search.library.brown.edu redirects to bruknow.library.brown.edu...34.0Global System for Mobile Communications Discovery APIThe Discovery API from Global System for Mobile Communications — 2 operation(s) for discovery.34.0Library Search (Ex Libris Alma / Primo) — tenancyRELATIONSHIP, NOT A CONTRACT. University of Leeds Libraries discovery and resource management run on the Ex...34.0Library Discovery Catalogue (Ex Libris Primo VE tenancy)Leiden University Libraries' discovery catalogue at catalogue.leidenuniv.nl CNAMEs to leiden.primo.exlibris...33.9Fabric8Labs Discovery APIThe Discovery API from Fabric8Labs — 6 anonymous read operations describing the registered post types, taxo...33.3Omni library discovery — Ex Libris Primo VE (tenant)Western Libraries' discovery layer is Omni, the Ontario Council of University Libraries' shared Ex Libris A...33.3NUsearch 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...33.0Miro Discovery APIThe Discovery API from Miro — 5 operation(s) for discovery.32.8Spring Data Discovery APIThe Discovery API from Spring Data — 1 operation(s) for discovery.32.7SSO Discovery APIOpenID Provider Discovery endpoint for retrieving provider configuration metadata.32.7Filrep.io Storage Provider APIRESTful JSON API for discovering and evaluating Filecoin storage providers (miners). Returns reputation sco...32.6FindIt@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...32.6Nanjing University Library Catalog (OPAC)The library's catalog host. It is live but restricted to the campus network: every route, including an OAI-...32.6Heriot-Watt Library Discovery (Ex Libris Primo)Library discovery and catalog search for Heriot-Watt's Edinburgh, Scottish Borders, Orkney, Dubai and Malay...32.5WINE Library Discovery (Ex Libris Primo tenancy)Waseda University Library's discovery service, WINE, is an Ex Libris Primo VE tenancy under institution cod...32.4Memo Therapeutics Discovery APIRoute, namespace, type, taxonomy and status discovery documents — the machine-readable index this profile w...32.3MOMA Therapeutics Discovery APISelf-describing metadata — the 219-route index across 12 namespaces, plus registered post types, taxonomies...32.3Chula Library Discovery (EBSCO tenant)The Office of Academic Resources fronts its licensed-content discovery through EBSCO, under the named custo...32.1WorldCat Discovery (OCLC tenancy)The University of Glasgow Library's discovery layer, operated for the university by OCLC on a Glasgow-scope...32.1NiKang Therapeutics Discovery APIRoute, post-type, taxonomy and status discovery documents. The /wp-json index publishes the full 210-route ...31.7iECURE Discovery APIRoute, content-type, taxonomy and status discovery documents for the iECURE WordPress REST deployment. Ten ...31.6NOAA ERDDAP Discovery APISearch and browse available datasets.31.6NAIC Discovery APIThe JSON:API entry point.31.4Nacuity Pharmaceuticals Discovery APIRoute, type, taxonomy and status discovery documents.31.3National University of Singapore Discovery APIMachine-readable metadata describing the identity service and its signing keys.31.3Order.co Discovery APISelf-describing route, type and taxonomy introspection.31.3Aerin Medical Discovery APIRoute index / discovery documents.31.2Ascend Advanced Therapies Discovery APISite, content-type, and taxonomy metadata.31.2Burger Singh Discovery APIPublic, unauthenticated site, content-type, taxonomy, status and author metadata - the self-describing rout...31.2level2 Discovery APIEndpoints for discovering similar stocks and retrieving company fundamental summaries.31.1University 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 ...31.1Virtual Incision Discovery APIRoute, post-type and status discovery plus the comment surface.31.1Energy Information Administration Discovery APIBrowse the API tree to discover available routes, facets, and metadata.31.0LayerZero Discovery APIThe Discovery API from LayerZero — 3 operation(s) for discovery.31.0UOW 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...30.9Emulate Discovery APIWordPress REST API discovery documents.30.8Library 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...30.7Moralis Discovery APIThe Discovery API from Moralis — 11 operation(s) for discovery.30.7Despegar Discovery APIThe Discovery API from Despegar — 1 operation(s) for discovery.30.6SINAB 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 ...30.6swisscovery — University Library of Bern tenant viewLibrary discovery for the University of Bern runs on swisscovery, the Swiss Library Service Platform's shar...30.5Fudan University Unified Identity — OpenID ConnectThe OpenID Connect provider Fudan operates for campus single sign-on at id.fudan.edu.cn. Issuer https://id....30.4Glama MCP Server RegistryComprehensive index of 23,000+ MCP servers, 4,000+ managed connectors, and 169,000+ tools spanning 86 curat...30.3GRIN Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.30.3University of Rochester Library Discovery — Ex Libris Primo VE tenancyRiver Campus Libraries discovery runs on Ex Libris Primo VE under the institution-specific view identifier ...30.2IXON Discovery APIThe Discovery API from IXON — 1 operation(s) for discovery.30.1Juvenescence Discovery APIThe juvlabs.com REST discovery surface — site index, `wp/v2` namespace route index with per-argument schema...30.1Primitive Discovery APIUnauthenticated entry point that lists the API base URL, how to obtain credentials, and the operations call...30.1MBrace Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.30.0Apache Atlas Discovery APISearch and discover metadata entities using various search strategies.29.9Sorbonne University Libraries — Ex Libris Primo discoveryLibrary discovery for Sorbonne University's letters, sciences and medicine libraries, running on Ex Libris ...29.8Flare Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.29.6CWRU 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...29.4Jnana Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.29.4University 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...29.4Qatar University Single Sign-On (OpenID Connect / OAuth 2.0)Qatar University's own OpenID Connect provider, running on a WSO2 Identity Server at sso.qu.edu.qa. It publ...29.3University 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...29.3OIDC Discovery APIOpenID Connect Discovery endpoints for provider metadata.29.2Library Discovery (Ex Libris Primo VE)Library discovery for Ohio State University Libraries, delivered on Ex Libris Primo VE through the OhioLINK...28.9Library 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...28.8ReCode Therapeutics Discovery APIRoute index and namespace metadata the install publishes about itself.28.7Adionics Discovery APIPublic, unauthenticated discovery metadata for adionics.com — the self-describing REST route index (370 rou...28.3ARC API DiscoveryThe self-describing route index for the arc.gov WordPress REST API — 371 routes across 16 namespaces, each ...28.3Accelsius API DiscoveryThe WordPress REST route-discovery documents served at accelsius.com/wp-json/ and accelsius.com/wp-json/wp/...28.2Accelsius Search APISite-wide search across every searchable object on accelsius.com - resource-library posts, static pages and...28.2Inflection AI Discovery APIThe Discovery API from Inflection AI — 1 operation(s) for discovery.28.2Heuritech Discovery APIThe WordPress metadata routes describing which post types, taxonomies and post statuses heuritech.com expos...28.1AUB Libraries discovery and management (Ex Libris Primo / Alma)AUB's library discovery and library services platform are Ex Libris products under AUB-specific tenancies: ...28.0Matchpoint Therapeutics Discovery APIRoute, type, taxonomy and status discovery documents.28.0Julep Beauty Discovery APIStore metadata and agent-discovery documents.27.9Wugen Discovery APIThe Discovery API from Wugen — 7 operation(s) for discovery.27.9National Library of Medicine Discovery APIDiscover database metadata, related records, and citations.27.8TAU Libraries Primo VE Discovery (DaTA Search)Tel Aviv University Libraries run Ex Libris Primo VE for catalogue discovery, branded "DaTA Search", instit...27.8Core Natural Resources Discovery APISelf-describing metadata for the host: registered content types and taxonomies, post statuses, cross-type s...27.6KSQ Therapeutics Discovery APIThe WordPress REST route index, namespace index, registered post types, taxonomies and statuses. 349 routes...27.6Loughborough University Library Discovery (VuFind)VuFind discovery layer at vufind.lboro.ac.uk, the public search interface over the Koha catalogue, on manag...27.5Wuhan 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...27.5Library discovery — Ex Libris Primo tenancyLibrary discovery runs on Ex Libris Primo VE at abdn.primo.exlibrisgroup.com with institution view 44ABE_IN...27.3Crystallize Discovery / Search APISemantic GraphQL API combining browse, search, and autocomplete in a single endpoint. Supports filtering, f...27.1Official MCP RegistryCommunity-driven, Anthropic-maintained registry that functions as an app store for MCP servers. Allows deve...27.1Pulse MCPThird-party MCP directory and news site. Maintains a sub-registry API that implements the Generic MCP Regis...27.1SmitheryThird-party MCP server registry and hosted runtime. Catalogs community-built MCP servers, generates install...27.1AlmaStart Library Discovery (Ex Libris Primo VE tenancy)AlmaStart is the University of Bologna library system's discovery layer. The entry point almastart.unibo.it...27.0Nura Bio Discovery APIRoute, type, taxonomy, status and oEmbed discovery endpoints that describe the deployment itself.27.0Vestaron Discovery APIThe Discovery API from Vestaron — 5 operation(s) for discovery.26.8/.well-known/api-catalog (RFC 9727)RFC 9727 defines `/.well-known/api-catalog` as the canonical machine entrypoint for discovering an organiza...26.6APIs.jsonThe APIs.json format describes a provider's API portfolio in one machine-readable document. Publishing `/ap...26.6UCL 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...26.6King Abdulaziz Scientific Platform (Al Manhal tenancy)KAU's library discovery and scientific content platform, branded "King Abdulaziz scientific platform" and r...26.4
Emerging 98 Early or largely undocumented
Griffith Experts (Symplectic Discovery)Griffith Experts is the university's public researcher-profile and research-output discovery portal, runnin...26.1UTP Scholarly Publication RepositoryThe second EPrints repository UTP runs, holding staff publication records back to 2010. Open OAI-PMH 2.0, a...26.1UTPedia Institutional RepositoryUTPedia ("UTP Electronic and Digital Intellectual Asset") holds theses, dissertations and final-year projec...26.1Thunes Discovery APIThe Discovery API from Thunes — 6 operation(s) for discovery.26.0MindMaze Discovery APISelf-describing metadata: the API index, registered content types, taxonomies and post statuses.25.9AI Catalog ManifestThe publishing half of the standard — the JSON manifest a domain serves at /.well-known/ai-catalog.json dec...25.7CAMARA Project Discovery APIFind the closest Edge Cloud Zone to the user device.25.6Scimar Discovery APIThe Discovery API from Scimar — 4 operation(s) for discovery.25.6LONTAR Library OPACThe University of Indonesia Library online public access catalogue, served at lib.ui.ac.id (lontar.ui.ac.id...25.5Copernicus Marine CSW Catalogue APIThe Copernicus Marine Catalogue Service for the Web (CSW) provides OGC-compliant metadata discovery over th...25.4Abcuro Discovery APIRoute, type, taxonomy, status and oEmbed discovery.25.3BioFlyte Discovery APIThe Discovery API from BioFlyte — 6 operation(s) for discovery.25.1Colossal Biosciences Discovery APIThe Discovery API from Colossal Biosciences — 6 operation(s) for discovery.25.1USC 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 ...25.0Group14 Technologies Discovery APISelf-describing route, type and taxonomy metadata.24.9Harbinger Motors Discovery APIThe self-describing layer of the harbingermotors.com WordPress REST API — the root index that enumerates al...24.9Unika 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" ...24.9Addis Energy Discovery APIPublic, unauthenticated discovery metadata for addisenergy.com — the self-describing route index (218 route...24.8Library 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...24.6Nusano Discovery APIType, taxonomy and status descriptors that describe the shape of the nusano.com content collections — the s...24.6Tekton Hub APITekton Hub is a public catalog of reusable Tasks and Pipelines exposed via REST API — search, fetch, and re...24.6Cercabib — 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...24.4Pathalys Pharma Discovery APISite index, route/namespace table, content types, taxonomies, statuses and oEmbed24.4Strata Oncology Discovery APIRegistered types, taxonomies and statuses.24.4LEAF4Life API DiscoveryThe self-describing routes of the deployment — registered post types, taxonomies and post statuses, plus th...24.2Catálogo Bibliotecas UChile (Ex Libris Primo VE)Library discovery for the University of Chile runs on Ex Libris (Clarivate) Primo VE at catalogo.uchile.cl,...24.1XGS Energy Discovery APIPublic, unauthenticated discovery metadata for xgsenergy.com — the self-describing route index (266 routes ...24.1SoftwareSuggest Software CatalogThe SoftwareSuggest software catalog is a browsable and searchable index of over 50,000 B2B software produc...23.9Denbury Resources Discovery APIPublic, unauthenticated access to the self-describing surface of the Denbury Inc. WordPress REST API — regi...23.7Unlock Editorial APIAnonymous read access to the Unlock editorial archive through the WordPress core `wp/v2` namespace — 251 bl...23.7Unlock Site Content APIThe first-party REST namespaces Unlock registers on www.unlock.com — `unlock/v1`, `unlock/v2` and `unlk/v1`...23.7Aegis Marine Shipmanagement Discovery APIAnonymous discovery metadata for aegisships.com — the self-describing route index (90 routes across 6 names...23.6Enveda Discovery APIThe Discovery API from Enveda — 6 operation(s) for discovery.23.5GS1 Discovery APIEndpoints to obtain information about the endpoint, such as EPCIS and CBV versions or custom vocabularies.23.4Hydrostor Discovery APIPublic, unauthenticated discovery metadata for hydrostor.ca — the self-describing route index (340 routes a...23.4TJU 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...23.4National Energy System Operator Discovery APIDiscovery endpoints for organizations, datasets, and tags.23.3Hokkaido University Web SitemapsXML sitemaps for the university's two public web estates — the 2.4 MB sitemap.xml on the Japanese site and ...23.2HUSCAP XML SitemapsPublicly crawlable XML sitemap index for HUSCAP, the Hokkaido University Collection of Scholarly and Academ...23.2Cheniere LNG Connection Pipeline Informational Postings APIThe public, unauthenticated JSON API behind Cheniere's LNG Connection site, which publishes the FERC-mandat...23.1MediaRuntime Discovery APIPublic capability and contract discovery.23.1Melorra Discovery APIThe API root index the catalog backend serves23.1Greenbrier Site Content and Discovery APIPublic, unauthenticated read access to the static marketing, services, investor and policy pages of www.gbr...23.0Ethyreal Bio Discovery APIThe Discovery API from Ethyreal Bio — 6 operation(s) exposing the WordPress content-type, taxonomy and post...22.7AeroFarms Discovery APIThe public route index and registry surface of the AeroFarms REST API — 917 registered routes across 46 nam...22.4Cellarity Discovery APIThe Discovery API from Cellarity — 6 operation(s) for discovery.22.3Circle Pharma Discovery APIRoute index, content types, taxonomies and statuses22.3Zetagen Therapeutics Discovery APIRoute index, registered types, taxonomies and statuses.22.2Lendis discovery APIRoute, type and taxonomy discovery plus site-wide search22.1Boundless Bio Discovery APIThe Discovery API from Boundless Bio — 4 operation(s) for discovery.21.9Orionis Biosciences Discovery APIThe Discovery API from Orionis Biosciences — 8 operation(s) for discovery.21.8Monash Library Discovery (Ex Libris Primo tenant)Monash Library's discovery layer. search.lib.monash.edu redirects to monash.primo.exlibrisgroup.com/discove...21.5Colossal Laboratories & Biosciences Discovery APIThe Discovery API from Colossal Laboratories & Biosciences — 5 operation(s) for discovery.21.4Campbell's Content API (WordPress REST)The publicly callable WordPress REST API that The Campbell's Company serves from its consumer brand site. I...21.3Orange Logic Search APIFind assets across the DAM with query criteria, field selection, pagination, sorting, and AI-powered semant...21.3Habiteo Site Content API — Discovery APIThe wp-json route index and the registered post types and statuses — the route-discovery surface this profi...20.9Impossible Metals Discovery APIAPI root, route index, authentication advertisement and site identity.20.9Ionetix Discovery APIRoute, content-type and post-status discovery for the ionetix.com content API — the wp/v2 namespace index, ...20.8Ionetix Search APISite-wide search across ionetix.com posts and pages, returning id, title, url, type and subtype for each ma...20.8TwinStrand Biosciences Discovery APIThe Discovery API from TwinStrand Biosciences — 5 operation(s) for discovery.20.8LIVEKINDLY Discovery APIThe Discovery API from LIVEKINDLY — 7 operation(s) for discovery.20.5Tokamak Energy Discovery APIThe machine-readable description of the Tokamak Energy content API itself — the REST root document, the reg...20.4American Gene Technologies Discovery APIThe Discovery API from American Gene Technologies — 6 operation(s) for discovery.20.3DTU Findit — library discoveryDTU Library's discovery interface, running on DTU's own host on the open-source Blacklight stack rather tha...20.3Envisics Discovery APIPublic, unauthenticated discovery metadata for envisics.com — the registered content types and taxonomies, ...20.1Kateeva Discovery APIPublic, unauthenticated discovery metadata for kateeva.com — the self-describing route index (271 routes ac...20.1Alliance Resource Partners Content APIThe public, read-only WordPress REST API served by Alliance Resource Partners' corporate site at www.arlp.c...20.0Deakin University Library catalogue — Ex Libris tenantLibrary discovery for Deakin. library.deakin.edu.au resolves to 216.147.221.162, which whois attributes to ...20.0Eridu Discovery APIAnonymous, unauthenticated discovery metadata for eridu.ai — the self-describing route index (167 routes ac...19.732 Biosciences Discovery APIThe WordPress discovery routes on 32biosciences.com - site-wide search across posts and pages, the register...19.5Atsena Therapeutics Discovery APIRoute index, content types, taxonomies and post statuses19.5EnergyX Discovery APIPublic, unauthenticated discovery metadata for energyx.com — the self-describing route index (1,233 routes ...19.5Feed AutodiscoveryFeed autodiscovery is the HTML convention by which a web page advertises the location of its RSS, Atom, or ...19.5Cruz Foam Discovery APIPublic, unauthenticated discovery metadata for cruzfoam.com — the self-describing route index (487 routes a...19.4GitHub Native Citation SupportGitHub natively reads CITATION.cff files and renders a Cite this repository button on the repository landin...19.4Stacklok discovery APIThe discovery API from Stacklok — 1 operation(s) for discovery.19.1DalCor Pharmaceuticals Discovery APISite index, namespace route index, content types, taxonomies and statuses19.0WOW! Momo Content APIThe live WordPress REST API served by www.wowmomo.com, advertised in the head of every page as 19.03Bar Biologics Discovery APIPublic, unauthenticated discovery metadata for 3barbiologics.com — the self-describing route index (360 rou...18.9Metalenz Discovery APIThe self-describing surface of the metalenz.com WordPress REST API — the route index, the per-namespace ind...18.9Allotex Discovery APIRoute index, cross-content search and the oEmbed provider endpoint.18.6CPIR Site Metadata APIThe anonymously readable metadata layer of the parentcenterhub.org WordPress REST API - the discovery root ...18.3Kartos Therapeutics Discovery APIThe route index and namespace descriptors the site publishes about itself.18.2Tano Discovery APIStatic discovery files for AI agents (llms.txt, manifests, sitemap).17.8Mitchell 1 Intent Registry Discovery APIDiscovery endpoint (GET api/service/v1/discovery) that a partner application calls on startup to resolve th...17.5ODNI Public Content APIThe anonymous, read-only WordPress REST API behind www.odni.gov. Serves ODNI newsroom posts (press releases...17.4Alzheon Discovery APIThe route index / discovery document.17.3Condé Nast Brand Sitemap IndexEach brand site exposes an XML sitemap index at `/sitemap.xml` pointing to per-month sub-sitemaps (e.g. `/s...17.3Interpublic Group WordPress REST Index APIThe REST API index / namespace-discovery route. GET https://interpublic.com/wp-json/ returns the self-descr...17.3Kallyope Discovery APISite-wide search and the registered post-type / taxonomy indexes.16.4Bluejay Therapeutics Discovery APIRoute index and namespace discovery documents.16.3IgGenix Discovery APIThe route, namespace, post-type and post-status discovery surface of the iggenix.com WordPress REST API. An...16.2NCKU 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...16.1Pluton Discovery PlatformInternal high-throughput microbial discovery platform that screens soil microbiomes and uses computational ...16.1Software Discovery ToolSoftware Discovery Tool helps match developer requirements with available open source software tested on th...13.6DTIC DiscoverSearch platform for DTIC's collection of technical reports and other scientific and technical information a...12.0Podchaser GraphQL APIPodchaser's GraphQL API provides programmatic access to podcasts, episodes, creators, credits, reviews, and...12.0Zyla API HubZyla API Hub provides a centralized marketplace for discovering, testing, and integrating thousands of APIs...11.9
Minimal 1 Almost no public developer surface

Companies reaching this through an API (356)

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.

32 Biosciences 3Bar Biologics 3GPP _done Aalto University Abcuro Accelsius Addis Energy Adionics Aegis Marine Shipmanagement Aerin Medical AeroFarms Agent Readiness Allay Therapeutics Alliance Resource Partners Alloplex Biotherapeutics Allotex Alzheon American Gene Technologies American University of Beirut Apache Atlas API Evangelist APIs.io Appalachian Regional Commission AppOmni Ariba Ascend Advanced Therapies Atsena Therapeutics Augmentt Authelia Belharra Therapeutics BioAegis Therapeutics BioFlyte Bird Bluejay Therapeutics Boston University Boundless Bio Brocade Brooklinen Brown University Bureau of Consular Affairs Burger Singh Cadasto CAMARA Project Campbell Soup Capella Space Cardiff University Carrier Global Case Western Reserve University CData
Show all 356 companies ↓
Cellarity Center for Parent Information and Resources Centrexion Therapeutics Cequence Security CharacterQuilt Charles University Cheniere Energy Chulalongkorn University Circle Pharma Cisco Hardware Citation File Format Clearbit (HubSpot Breeze Intelligence) Cloud Native Buildpacks Colossal Biosciences Colossal Laboratories & Biosciences Condé Nast CONSOL Energy Copernicus Marine CoreStory Cornell University Covalent Cresilon Cruz Foam Crystallize Curtin University DalCor Pharmaceuticals Daring Foods Deakin University Defense Technical Information Center Delinea Dell Servers Denbury Resources Despegar Digicert Director of National Intelligence Dotdash Meredith / People Inc Dotdigital Dott Dun & Bradstreet Ease Emory University Emulate Energy Information Administration EnergyX Enveda Envisics Envoy Proxy EPFL Eridu ETH Zurich – Swiss Federal Institute of Technology Ethyreal Bio Eurostat Fabric Origin Fabric8Labs fal Filecoin Flare Therapeutics Fudan University Fusio Gadjah Mada University Ghent University GitHub GitLab Glama Global System for Mobile Communications Gluu Gotham Greens Greenbrier Companies Griffith University GRIN Therapeutics Group14 Technologies GS1 GSMA GSMA Open Gateway Habiteo HAMi Harbinger Harvard University Hebrew University of Jerusalem Helm HERE Heriot-Watt University Heuritech High Performance Software Foundation Hokkaido University Humboldt-Universität zu Berlin Hydrostor Hyperice ICON Aircraft iECURE IgGenix Impact Impossible Metals Inflection AI Inrupt Interpublic Group Ionetix IXON Jack Henry & Associates JenaValve Technology Jnana Therapeutics Julep Beauty Juvenescence Kallyope Karlsruhe Institute of Technology Kartos Therapeutics Kateeva Khalifa University King Abdulaziz University King Fahd University of Petroleum & Minerals King's College London Kriya Therapeutics KSQ Therapeutics Lancaster University Landgate LayerZero Leadspace LEAF4Life Leiden University Lendis Level2 Life Biosciences LinkAGI Model API Linkerd Liquid Death LIVEKINDLY Login.gov London School of Economics and Political Science Loughborough University Lunar Lund University Maastricht University Macquarie University Massey University Matchpoint Therapeutics Maxar MBrace Therapeutics MediaRuntime Melorra Memo Therapeutics Metalenz Michigan State University Microsoft Azure Microsoft Purview MindMaze Miro Mitchell 1 Model Context Protocol (MCP) MOMA Therapeutics Monash University Moralis Nacuity Pharmaceuticals NAIC Nanjing University NASA CMR National Cheng Kung University National Energy System Operator National Library of Medicine National Tsing Hua University National University of Colombia National University of Singapore National Yang Ming Chiao Tung University Neo4j Neomorph NiKang Therapeutics NOAA ERDDAP Nura Bio Nusano Ohio State University OIDC Open Mainframe Project Optum Oracle Oracle Enterprise Manager Orange Logic Order.co Orionis Biosciences Orthogonal Pathalys Pharma Peking University Pixelfed Pluton Biosciences Primitive Princeton University PropelAuth PydanticAI Qatar University Queen Mary University of London Queensland University of Technology QuizAPI Recipe API ReCode Therapeutics Redocly Refinitiv Eikon Roku Root (fka Slim.ai) RSS RubyGems Sahara AI SAP Ariba Scimar Scout RFP (Workday Strategic Sourcing) Seoul National University ServiceNow Smart Pension SoftwareSuggest Sorbonne University SPIRE Spring Data Spring Security SSO Stacklok Star Therapeutics Strata Oncology Stytch Sylvia API Tano TeamOhana Technical University of Berlin Technical University of Denmark Tekton Thunes Tianjin University TIER Tokamak Energy TU Wien TwinStrand Biosciences Typeface UCL UiPath Unisson Universiti Kebangsaan Malaysia 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 Unlock US Census Bureau Vanderbilt University Vestaron Victoria University of Wellington Virtual Incision Voyant.io Waseda University Washington University in St. Louis We > Ultrarich Weaviate Western University WOW! Momo Wugen Wuhan University XGS Energy Zetagen Therapeutics Zoca

Score breakdown

Frequency
78.3
log-scaled weighted occurrences
Breadth
1.0
spread across providers
Quality lift
31.5
mean composite of providers using it
Cohesion
25.7
strength of nearest seed neighbor

Related tags

University 121 co-occurrences Identity Federation 113 co-occurrences Library 115 co-occurrences SAML 113 co-occurrences OAI-PMH 103 co-occurrences Higher Education 121 co-occurrences Shibboleth 92 co-occurrences Pages 89 co-occurrences

Where this tag comes from

Api tag373
Provider tag37
Openapi tag199
Openapi op tag838

Cohort brief

Auto-generated

The 33 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
33
all scored
Mean Kin Score
28.3
+4.4 vs catalog 23.9
Mean Agent Readiness
14.9
+2.9 vs catalog 12
Spread
5.7–72.5
median 21 · σ 19.8
How the 33 split by band
Exemplar 3Strong 1Developing 6Thin 5Emerging 12Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 29.2 19.8 +9.4 33
Access Clarity 32.8 26.5 +6.3 33
Operational Transparency 17.6 14 +3.6 33
Discoverability 63.1 61.2 +1.9 33
Contract Governance 8 6.4 +1.6 33
Developer Ergonomics 24.1 23.4 +0.7 33

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) 17% 10% +7
MCP server (first-party) 19% 13% +6
Agent Skills 0% 0% 0
OAuth scopes 14% 11% +3
Security 89% 97% -8
Arazzo workflows 3% 2% +1
Governance rules 28% 14% +14

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.

Top by Kin Score
  1. 1 Postman 72.5
  2. 2 Algolia 71.5
  3. 3 Taboola 67.4
  4. 4 The Movie Database 56
  5. 5 Azure Migrate 52.6
  6. 6 Artifact Hub 50.7
  7. 7 Amazon Resource Explorer 46.8
  8. 8 WorldCat 43.3
  9. 9 Google Cloud Migration Center 42.4
  10. 10 Voidpet 39.8
Top by Agent Readiness
  1. 1 Algolia 61.5
  2. 2 Postman 44.2
  3. 3 WorldCat 35.6
  4. 4 Voidpet 35.4
  5. 5 Taboola 31
  6. 6 The Movie Database 28.8
  7. 7 Amazon Application Discovery Service 28.1
  8. 8 Artifact Hub 27.2
  9. 9 Google Cloud Migration Center 24.8
  10. 10 Amazon Resource Explorer 21
All 37 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 15 September 2026, across 27661 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
curl "https://apis.io/api/v1/cohorts/tag/discovery"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/discovery/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

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