Reference
Variants seen in the corpus:
Referencereference
Providers using this tag (7)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Developing 1 Usable, with meaningful gaps to close
Thin 2 Limited public surface area
Emerging 1 Early or largely undocumented
Minimal 3 Almost no public developer surface
APIs with this tag (70)
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 3 Complete, well-documented, and agent-ready
Strong 14 Solid coverage with minor gaps
Delft University of Technology Reference APIControlled vocabularies — licenses, categories and depositing groups.Zocdoc reference APIEndpoints to retrieve information about the developer's directory.Bloomberg L.P. Reference APIEnumerated values for request and response fields.APITube Reference APIThe Reference API from APITube — 7 operation(s) for reference.Microsoft .NET API BrowserComprehensive reference for .NET APIs across all packages, namespaces, and types in the .NET ecosystem incl...fatsecret Reference APIReference data for brands, categories, and exercisesCurrencycloud Reference APIEasy access to view important data relevant to your Currencycloud account including beneficiary details, co...Aviation EdgeAviation Edge API provides comprehensive aviation data including real-time flight tracking, airport informa...Aviation Edge Reference APIStatic reference dataPayMate Reference APIReference dataUpLead Reference APIReference data lookups.DeveloperHub References APIUploads, downloads and publishes the OpenAPI specification behind an API reference — the CI/CD surface, and...Temenos Reference APIManage reference data including exchange rates, interest rates, security prices, swap rates, holiday calend...Paga Reference APILook-up operations - banks, mobile operators, status.
Developing 19 Usable, with meaningful gaps to close
Databento Reference APIReference and non-price data that complements the market data feeds - a security master (instrument definit...BNSF Reference Files APIThe BNSF Reference Files API resolves the rail industry code systems the rest of the BNSF surface is writte...LSEG World-Check One Reference APIReference data for screening - countries, nationalities, providers, search filters, World-Check profiles an...Fortellis AsyncAPI Hello World ReferenceHello World AsyncAPI reference distributed by Fortellis to teach the asynchronous API pattern, channel topo...Moody's Corporation Reference APIOperations for retrieving frequency, vintage, and file type metadataClimatiq Reference APIReference data such as regions and unit types.FERC Reference APIForm lists and submission constraints.Wealth-X Reference APIReference / lookup data used to build searches.MNTN Reference APIEnumerations and lookup data shared across endpoints.Rice Kinder Institute Urban Data Platform APIThe only publicly callable API Rice University itself operates. Serves the Kinder Institute for Urban Resea...Socialbakers Reference APIManaged profiles, labels, label groups, listening queries, ad accountsRefinitiv Reference APIReference data operations for retrieving profile details and resolution toolkit configurations.Sideko SDK ReferenceBoilerplate code used by Sideko to generate SDKs, including example SDKs that demonstrate the generated sur...OpticOdds Reference APISports, leagues, sportsbooks, market types.Elexon Reference APIReference data which can be used to filter other API requests.HealthSherpa Reference APIThe Reference API from HealthSherpa — 3 operation(s) for reference.One Degree Reference APIProperty types, rating types, and guides.Bunny.net Countries APIReference endpoint returning the list of countries Bunny.net supports for geo-targeting in Pull Zone and DN...Bunny.net Regions APIReference endpoint returning the list of Bunny.net edge and storage regions for use in zone configuration.
Thin 24 Limited public surface area
RunSignup Reference APIReference data such as countries and states used across the API.Foreign Affairs Manual (FAM) and Handbook (FAH)Department-wide policy and procedural manuals issued by the Office of Directives Management.Monad JSON-RPC APIFull JSON-RPC method reference — standard Ethereum eth_*, net_*, web3_*, debug_*, and trace_* methods plus ...Sample Transactions APIThe State Street Sample Transactions API is a reference and onboarding API provided in the developer portal...Metals-API Reference APISymbols and reference data.Polygon.io Reference APITicker reference data.Maxar MGP Postman CollectionPublic Postman workspace documenting the Maxar Geospatial Platform API surface for quick exploration and te...TutorCruncher Reference APIReference data - subjects, countries, categories, action types.Portcast Reference APISupported carrier SCAC reference data.Claim.MD Reference APIPayer directory, enrollment, appeals, and webhooks.Apache HTTP Server Configuration ReferenceConfiguration directive reference for Apache HTTP Server covering VirtualHost, mod_ssl, mod_rewrite, mod_pr...Amiibo API Reference APIReference data endpoints for types, series, characters, and game seriesOpenPrescribing Reference APIBNF code, organisation code and organisation-location reference lookups.Spinwheel Reference APIConstants and vehicle reference data.Willo Reference APIRead-only reference data - languages and IDV countries of employment.Sportsbook API Reference APIThe Reference API from Sportsbook API — 2 operation(s) for reference.Forex Reference APIThe Reference API from Forex — 1 operation(s) for reference.References DHL eCommerce AmericasProvides reference data for products, fields, and glossary information across DHL eCommerce Americas APIs.IGDB Reference APIReference data such as keywords, collections, and franchises.MCP Reference ServersCanonical collection of reference MCP server implementations maintained by the project. The active servers ...ReDocReDoc is an open-source API documentation renderer for OpenAPI specifications, originally created by Rebill...Containerfile ReferenceThe official Containerfile reference shipped with the containers/common project. Documents every Containerf...Dockerfile ReferenceThe Dockerfile format reference maintained by Docker. Containerfile is a strict superset of Dockerfile, so ...Helium Documentation RepositorySource repository for docs.helium.com, covering the Mobile and IoT networks, tokens, wallets, and network-d...
Emerging 9 Early or largely undocumented
ITU Reference APICountry and region reference data.Chainguard Unified API SpecThe unified Chainguard API specification combines API v1 and v2 definitions in a single reference, useful f...Getty Images Reference APIThe Reference API from Getty Images — 1 operation(s) for reference.Lane API Reference APIThe Reference API from Lane API — 4 operation(s) for reference.BICS reference APIQuery BICS reference data.Aave InterfaceOpen-source web interface (app.aave.com) for interacting with the Aave protocol — a reference implementatio...PostEx Reference APIOperational cities and merchant address reference dataWodify Reference APIReference data such as locations, employees, programs, and services.National Highway Traffic Safety Administration Reference APIReference variables and value lists
Minimal 1 Almost no public developer surface
Companies reaching this through an API (66)
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.
Aave
Amiibo API
Apache HTTP Server
API Evangelist
APITube
Aviation Edge
BICS
Bloomberg L.P.
BNSF
Bunny.net
CDK Global
Central Intelligence Agency
Chainguard
Claim.MD
Climatiq
Containerfile
Currencycloud
Databento
Delft University of Technology
Department of State
DeveloperHub
DHL
Elexon
fatsecret
FERC
Forex
Getty Images
HealthSherpa
Helium Network
IGDB
ITU
Lane API
London Stock Exchange Group
Maxar
Metals-API
Microsoft .NET
MNTN
Model Context Protocol (MCP)
Monad
Moody's Corporation
National Highway Traffic Safety Administration
One Degree
OpenPrescribing
OpticOdds
Paga
PayMate
Polygon
Polygon.io
Portcast
PostEx
Show all 66 companies ↓
Score breakdown
Frequency
59.2
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
23.8
mean composite of providers using it
Cohesion
3.6
strength of nearest seed neighbor
Related tags
Reference Data 7 co-occurrences
Currency 5 co-occurrences
Documentation 6 co-occurrences
Financial Data 5 co-occurrences
News 5 co-occurrences
OpenAPI 5 co-occurrences
Market Data 7 co-occurrences
Collection 6 co-occurrences
Where this tag comes from
Api tag65
Provider tag7
Openapi tag48
Openapi op tag180
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.