emerging · 0.3 capability actionschema

Reference

Score 20.3 / 100 14 providers +97 via APIs 101 APIs Search apis.io →
Business capabilities this tag reaches
Developer Platform & API Ecosystem Management 1

Providers using this tag (14)

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

Developing 1 Usable, with meaningful gaps to close
WikimediaWikipediaWikimediaEncyclopediaOpen Knowledge2 APIs45.8
Thin 3 Limited public surface area
Country Calling CodesDataTelecommunicationsPhone1 API39.2MetadapiCompanyDataJSON1 API32.8ChangeGamerArtificial IntelligenceInfrastructureAgentsPlatform1 API27.9
Emerging 5 Early or largely undocumented
afrirefCompanyDataGovernmentAfrica1 API26.1databutler-devCompanyDataTax1 API19.3DroidCompanyRoboticsData1 API12.8ReDocAPI DocumentationDeveloper ToolsDocumentationOpenAPI1 API25.3Manage OpenAPI via GitHub DemoAPIs.jsonDemoGitHubOpenAPI1 API24.4
Minimal 5 Almost no public developer surface
referencesource-orgDataCatalogOpen Data1 API9.7Answers.comCompanyQuestion And AnswerKnowledge9.3ausrefDataGovernmentAustralia1 API7.6Base APIsFoundationsTemplates1 API1.7IEX CloudFintechMarket DataStocks1 API0.0

APIs with this tag (101)

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 5 Complete, well-documented, and agent-ready
Redocly RedocRedoc is the open-source engine that renders API reference documentation from OpenAPI definitions with a th...82.7Clarivate Reference APIThe Reference API from Clarivate — 2 operation(s) for reference.73.5API Evangelist Reference APIThe API vocabulary and the static machine-readable feeds.68.4DeveloperHub Reference APIOperations for adding, reading, and publishing API reference specifications.67.5APITube Reference APIThe Reference API from APITube — 7 operation(s) for reference.66.6
Strong 10 Solid coverage with minor gaps
Microsoft .NET API BrowserComprehensive reference for .NET APIs across all packages, namespaces, and types in the .NET ecosystem incl...66.1Currencycloud Reference APIEasy access to view important data relevant to your Currencycloud account including beneficiary details, co...62.9Aviation Edge Reference APIStatic reference data61.0x402 List API Reference APIReference data: supported networks, categories, and service tags59.9Emporix Reference APIThe Reference API from Emporix — 2 operation(s) for reference.59.3Massive (formerly Polygon.io) Reference APIReference API58.7Zocdoc Reference APIEndpoints to retrieve information about the developer's directory.58.3PayMate Reference APIReference data57.1UpLead Reference APIReference data lookups.56.0Nordlet Reference APIThe reference API from Nordlet — 25 operation(s) for reference.54.5
Developing 34 Usable, with meaningful gaps to close
fatsecret Reference APIReference data for brands, categories, and exercises53.6Wealth-X Reference APIReference / lookup data used to build searches.53.5Databento Reference APIReference and non-price data that complements the market data feeds - a security master (instrument definit...53.1onlinecompiler-io Reference APICompilers, limits and health. No API key needed.52.8Getty Images Reference APIThe Reference API from Getty Images — 1 operation(s) for reference.52.5Temenos Reference APIManage reference data including exchange rates, interest rates, security prices, swap rates, holiday calend...52.3Numbers Online Reference APIReference data and examples51.8crob.at Reference APIRead sample teams and Pokemon reference data.51.7Paga Reference APILook-up operations - banks, mobile operators, status.51.1FERC Reference APIForm lists and submission constraints.50.9Backwork Reference APIReference data (jurisdictions, payers)50.7Climatiq Reference APIReference data such as regions and unit types.50.6MNTN Reference APIEnumerations and lookup data shared across endpoints.50.2Dato Capital Reference APIStatic catalogs (countries, types).49.5Emplifi Reference APIManaged profiles, labels, label groups, listening queries, ad accounts47.8Delft University of Technology Reference APIControlled vocabularies — licenses, categories and depositing groups.47.6itsbaba-com Reference APISupported languages and the public health check.47.2Paper and Beyond Reference APIThe reference API from Paper and Beyond — 2 operation(s) for reference.46.9Sideko SDK ReferenceBoilerplate code used by Sideko to generate SDKs, including example SDKs that demonstrate the generated sur...46.7Boardwalk Reference APIValue catalogues. `statuses` and `decision-bodies` are filter vocabularies used by search; `owner-types` is...46.6vidocu-ai Reference APIStatic reference data46.5invoicepdfs-com Reference APIThe reference API from invoicepdfs-com — 9 operation(s) for reference.46.2Dibblee Industries Reference APIRaw tariff schedule and trade-measure lookups45.9kokofinance-net Reference APIStatic reference data — points programs, benefit categories, program valuations.45.7ASPERN Reference APIThe Reference API from ASPERN — 3 operation(s) for reference.44.4Refinitiv Reference APIReference data operations for retrieving profile details and resolution toolkit configurations.43.8Rice University Reference APIControlled vocabularies the catalog's fields draw from.43.7HealthSherpa Reference APIThe Reference API from HealthSherpa — 3 operation(s) for reference.43.5stat-api-com Reference APIRead-only catalog of Reference tables.43.5Aginera Reference APIPublic taxonomy and enumerations.43.0Engrate Reference APIThe reference API from Engrate — 2 operation(s) for reference.42.5Fortellis AsyncAPI Hello World ReferenceHello World AsyncAPI reference distributed by Fortellis to teach the asynchronous API pattern, channel topo...40.0Moody's Corporation Reference APIOperations for retrieving frequency, vintage, and file type metadata39.8CarbonGuru Reference APINAICS, industry sectors, emission factors, countries.39.7
Thin 32 Limited public surface area
Bunny.net Countries APIReference endpoint returning the list of countries Bunny.net supports for geo-targeting in Pull Zone and DN...39.1Bunny.net Regions APIReference endpoint returning the list of Bunny.net edge and storage regions for use in zone configuration.39.1philidor-io Reference APIThe Reference API from philidor-io — 10 operation(s) for reference.39.1Maxar Technologies MGP Postman CollectionPublic Postman workspace documenting the Maxar Geospatial Platform API surface for quick exploration and te...38.4One Degree Reference APIProperty types, rating types, and guides.38.1RunSignup Reference APIReference data such as countries and states used across the API.37.4thevicinityapp-com Reference APIStatic taxonomies. Cache aggressively.36.9Fastn APIFastn API as documented publicly: 14 operations. Contract generated from the documentation by API Evangelis...36.7Willo Reference APIRead-only reference data - languages and IDV countries of employment.36.3Metals-API Reference APISymbols and reference data.35.9Postfinder Reference APIThis document.35.9Helena Bioinformatics Reference APIThe reference API from Helena Bioinformatics — 1 operation(s) for reference.34.6daedalmap-com Reference APIThe Reference API from daedalmap-com — 1 operation(s) for reference.34.2AntiSMI Reference APIThe reference API from AntiSMI — 2 operation(s) for reference.33.7Aristocles Pty Ltd Reference APIProvides a developer-friendly list of global time zones, including abbreviation, UTC offset, and Daylight S...33.6Elexon Reference APIReference data which can be used to filter other API requests.33.64chems Reference APIThe reference API from 4chems — 1 operation(s) for reference.32.4OpenPrescribing Reference APIBNF code, organisation code and organisation-location reference lookups.32.4TutorCruncher Reference APIReference data - subjects, countries, categories, action types.32.2Apache HTTP Server Configuration ReferenceConfiguration directive reference for Apache HTTP Server covering VirtualHost, mod_ssl, mod_rewrite, mod_pr...31.1Sportsbook API Reference APIThe Reference API from Sportsbook API — 2 operation(s) for reference.30.6Vectranetworks APIVectranetworks API as documented publicly: 26 operations. Contract generated from the documentation by API ...30.6Monad JSON-RPC APIFull JSON-RPC method reference — standard Ethereum eth_*, net_*, web3_*, debug_*, and trace_* methods plus ...29.7Forex Reference APIThe Reference API from Forex — 1 operation(s) for reference.29.4Wodify Reference APIReference data such as locations, employees, programs, and services.28.9Payer APIPayer provides a modern B2B payments platform with APIs for payment initiation, invoice management, and rep...28.7Payer Reference APIThe Reference API from Payer — 2 operation(s) for reference.28.7Foreign Affairs Manual (FAM) and Handbook (FAH)Department-wide policy and procedural manuals issued by the Office of Directives Management.28.0Portcast Reference APISupported carrier SCAC reference data.28.0MCP Reference ServersCanonical collection of reference MCP server implementations maintained by the project. The active servers ...26.8Claim.MD Reference APIPayer directory, enrollment, appeals, and webhooks.26.6Composabl Reference APIThe Reference API from Composabl — 4 operation(s) for reference.26.2
Emerging 19 Early or largely undocumented
IGDB Reference APIReference data such as keywords, collections, and franchises.26.1References DHL eCommerce AmericasProvides reference data for products, fields, and glossary information across DHL eCommerce Americas APIs.26.1ITU Reference APICountry and region reference data.25.6Stacks core APIStacks core API as documented publicly: 7 operations. Contract generated from the documentation by API Evan...25.5Stacks stacks.js APIStacks stacks.js API as documented publicly: 3 operations. Contract generated from the documentation by API...25.5Spinwheel Reference APIConstants and vehicle reference data.25.4FilingSift Reference APIFree public25.3ReDocReDoc is an open-source API documentation renderer for OpenAPI specifications, originally created by Rebill...25.3BICS Reference APIQuery BICS reference data.23.8Agentberg Reference APIThe Reference API from Agentberg — 1 operation(s) for reference.23.4Amiibo API Reference APIReference data endpoints for types, series, characters, and game series23.4PostEx Reference APIOperational cities and merchant address reference data23.2Chainguard Unified API SpecThe unified Chainguard API specification combines API v1 and v2 definitions in a single reference, useful f...22.8Lane API Reference APIThe Reference API from Lane API — 4 operation(s) for reference.22.3National Highway Traffic Safety Administration Reference APIReference variables and value lists21.9Dispel APIDispel API as documented publicly: 19 operations. Contract generated from the documentation by API Evangeli...21.8Helium Documentation RepositorySource repository for docs.helium.com, covering the Mobile and IoT networks, tokens, wallets, and network-d...19.1Frends Reference APIThe Reference API from Frends — 6 operation(s) for reference.18.1Aave InterfaceOpen-source web interface (app.aave.com) for interacting with the Aave protocol — a reference implementatio...15.8
Minimal 1 Almost no public developer surface
CIA World Factbook (Country Profiles)The CIA World Factbook is the long-running unclassified almanac of reference information on 260 world entit...8.5

Companies reaching this through an API (97)

These companies publish an API, specification or operation carrying “Reference” 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.

4chems Aave Agentberg Aginera Amiibo API AntiSMI Apache HTTP Server API Evangelist APITube Aristocles Pty Ltd ASPERN Aviation Edge Backwork BICS Boardwalk Bunny.net CarbonGuru CDK Global Central Intelligence Agency Chainguard Claim.MD Clarivate Climatiq Composabl crob.at Currencycloud daedalmap-com Databento Dato Capital Delft University of Technology Department of State DeveloperHub DHL Dibblee Industries Dispel Elexon Emplifi Emporix Engrate Fastn fatsecret FERC FilingSift Forex Frends Getty Images HealthSherpa Helena Bioinformatics Helium Network IGDB
Show all 97 companies ↓
invoicepdfs-com itsbaba-com ITU kokofinance-net Lane API Massive (formerly Polygon.io) Metals-API Microsoft .NET MNTN Model Context Protocol (MCP) Monad Moody's National Highway Traffic Safety Administration Nordlet Numbers Online One Degree onlinecompiler-io OpenPrescribing Paga Paper and Beyond Payer PayMate philidor-io Portcast PostEx Postfinder Redocly Refinitiv Rice University RunSignup Sideko Spinwheel Sportsbook API Stacks stat-api-com Temenos thevicinityapp-com TutorCruncher UpLead Vantor Vectranetworks vidocu-ai Wealth-X Willo Wodify x402 List API Zocdoc

Score breakdown

Frequency
60.2
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
24.1
mean composite of providers using it
Cohesion
2.5
strength of nearest seed neighbor

Related tags

Intelligence 6 co-occurrences Protocol 5 co-occurrences Currency 6 co-occurrences History 6 co-occurrences Documentation 7 co-occurrences Financial Data 6 co-occurrences Schedule 6 co-occurrences Foreign Exchange 5 co-occurrences

Where this tag comes from

Api tag94
Provider tag14
Openapi tag78
Openapi op tag258

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