Feature
OAuth 2.0
Delegated authorization via OAuth 2.0 flows.
163 providers
1604 APIs
118 declared variants
The API supports OAuth 2.0 for delegated authorization — authorization code, client credentials, or device flows issuing scoped access tokens. Integrators care because it is the baseline for acting on a user’s behalf without handling their credentials.
163 API providers on the APIs.io network offer oauth 2.0. The highest-rated are Messagebird, Shopify, HubSpot, Medplum, Mailchimp.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 29 Complete, well-documented, and agent-ready
MessagebirdMessageBird, which trades as Bird, is a Dutch cloud communications company whose platform carries email, SM...ShopifyShopify is a complete commerce platform that lets you start, grow, and manage a business, selling online, i...HubSpotHubSpot is an AI-native customer platform built around the Smart CRM, unifying marketing, sales, customer s...MedplumMedplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...MailchimpMailchimp is an Intuit company providing a marketing automation platform and email marketing service for ma...AhaSendAhaSend is a developer-focused transactional email platform providing fast, reliable email delivery via RES...GitHub ActionsGitHub Actions is GitHub's hosted CI/CD and workflow automation platform, and this record covers the REST A...Microsoft Entra ID (formerly Azure AD)Microsoft's cloud-based identity and access management service that helps employees sign in and access reso...KlaviyoKlaviyo is a marketing automation and customer data platform built for ecommerce. Build custom integrations...OptimizelyOptimizely is a digital experience platform that provides A/B testing, feature flagging, content management...LaunchDarklyLaunchDarkly is a feature management and runtime control platform. Development teams use it to wrap release...GitHubThe GitHub REST API allows developers to programmatically interact with GitHub resources including reposito...AcquiaAcquia is a leading provider of digital experience management solutions for organizations looking to enhanc...JiraAPIs for Atlassian Jira project management and issue tracking platform.Constant ContactConstant Contact is a small-business email and digital marketing platform offering email campaigns, automat...AvailityAvaility is a healthcare information network and clearinghouse providing REST APIs for real-time HIPAA EDI ...SallaSalla is a Saudi Arabia-based e-commerce platform — often called the Shopify of the Middle East — that lets...SendcloudSendcloud is Europe's leading shipping platform for e-commerce, headquartered in Eindhoven, Netherlands. Th...ClickupClickUp is a work management platform — tasks, Lists, Folders, Spaces, Docs, Chat, Goals, time tracking, da...Commerce LayerCommerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...DocusignDocuSign helps organizations connect and automate how they prepare, sign, act on, and manage agreements. As...Independence Blue CrossIndependence Blue Cross (IBX) is the Blue Cross Blue Shield Association licensee for southeastern Pennsylva...Auth0Auth0 (now part of Okta) is a leading identity-as-a-service platform providing authentication and authoriza...MoovMoov is a financial infrastructure platform that enables developers to embed money movement capabilities di...ToastToast is a restaurant technology platform providing cloud-based point-of-sale, payment processing, and busi...AirbyteAirbyte is an open-source data integration platform that enables businesses to easily and efficiently move ...ConfluenceAPIs for Atlassian Confluence - team collaboration and knowledge management software.TaboolaTaboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...DeelDeel is a global workforce platform combining payroll, Employer of Record (EOR), independent contractor man...
Strong 44 Solid coverage with minor gaps
CumulocityCumulocity is an enterprise AIoT (Artificial Intelligence of Things) platform that connects, manages, and a...Adobe Experience CloudAdobe Experience Cloud is an integrated suite of applications and services for digital marketing, analytics...AtlassianAtlassian is a software company that develops collaboration, productivity, and project management tools to ...SlackSlack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...FitbitFitbit is a wearable health and fitness platform — devices (trackers, smartwatches, smart scales) plus a co...BuildkiteBuildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se...GoToWebinarGoToWebinar is GoTo's (formerly LogMeIn) webinar and virtual event platform. The GoToWebinar REST API lets ...PropelAuthPropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...Dun & BradstreetDun & Bradstreet is a leading global provider of business decisioning data and analytics, anchored by the D...Apollo.ioApollo.io is a sales intelligence and go-to-market platform combining a database of 240M+ contacts and 30M+...StytchStytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...OktaOkta is the workforce identity incumbent — its Identity Cloud platform (also called the Okta Workforce Iden...IntuitCollection of APIs offered by Intuit for financial and business management services.FlutterwaveFlutterwave is a pan-African payment infrastructure company providing the rails for businesses to accept, s...BoxBox is a cloud content management and file sharing service for businesses. Box provides a secure platform f...TibberTibber is a fully-digital Nordic and European retail electricity provider operating in Norway, Sweden, Germ...NotionNotion is an all-in-one workspace that combines notes, tasks, wikis, and databases. The Notion API allows d...Apollo API DocumentationApollo.io is a sales intelligence and engagement platform. Its REST API provides programmatic access to a d...BB&T Corp (Truist)BB&T Corporation merged with SunTrust Banks in December 2019 to form Truist Financial Corporation, the sixt...BringgBringg is a last-mile delivery and fulfillment orchestration platform headquartered in Tel Aviv (founded 20...AllegionAllegion plc is a global security products company with $3.8B in 2024 revenue, 13,000+ employees, and 30+ b...WHOOPWHOOP is a fitness and recovery wearable platform providing a REST API for accessing sleep, recovery, strai...InterswitchInterswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 a...BigCommerceBigCommerce is a leading e-commerce platform providing APIs for building and managing online stores, produc...WebflowWebflow provides a visual web development platform with a comprehensive REST API for programmatically manag...FigmaFigma is a collaborative interface design tool with a comprehensive REST API for accessing and manipulating...FilevineFilevine is the leading legal case management and operating intelligence platform for plaintiff, personal-i...AutodeskAutodesk is a global leader in design, engineering, and entertainment software, providing cloud-connected p...AutopayAutopay is a Norwegian parking payment and management platform that provides APIs for parking operators, la...IroncladIronclad is the enterprise contract lifecycle management (CLM) platform used by legal, sales, procurement, ...ZohoZoho is a comprehensive cloud software suite offering 55+ integrated business applications for sales, marke...PayPalPayPal is a global online payment system that lets individuals and businesses send and receive money electr...JobberJobber is field service management software for home and commercial service businesses, serving 100,000+ bu...TraktTrakt is the personal media database for movies and TV. Its API v2 (api.trakt.tv) exposes ~150 endpoints ac...DescopeDescope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of...SinchSinch is a cloud communications platform providing APIs for SMS, voice, video, fax, verification, and omnic...LichessLichess is a free, ad-free, open-source online chess server operated by a French nonprofit and powered enti...CivitaiCivitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ...TelstraTelstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, m...MixpanelMixpanel is a business analytics service company that tracks user interactions with web and mobile applicat...FusioFusio is Apache-2.0, self-hosted API management from apioo (Christoph Kappestein, Germany). An operator ins...Salesforce AutomationA collection of Salesforce APIs for automating business processes, sales operations, and customer relations...Adobe CaptivateAdobe Captivate is an eLearning authoring tool used to create responsive eLearning content, software demons...Pure StoragePure Storage is an American publicly traded technology company specializing in all-flash data storage hardw...
Developing 59 Usable, with meaningful gaps to close
Login.govLogin.gov is the U.S. federal government's secure single sign-on and identity verification service for the ...ZoomZoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...ReplicateReplicate lets you run machine learning models in the cloud with a simple API. Thousands of open-source mod...CalmCalm is a leading consumer mental-wellness company whose app offers guided meditations, Sleep Stories, brea...Lunar EnergyLunar Energy is a Mountain View, California-based residential clean-energy company founded in August 2020 b...Webflow API and DocumentationWebflow provides a visual web development platform with a comprehensive REST API for programmatically manag...SpeakeasyThe platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...TIDALTIDAL is a high-fidelity music streaming service owned by Block (Square's parent, acquired 2021) offering H...Workday Report WriterAPIs for Workday Report Writer - a tool for creating custom reports and data extracts from Workday HCM and ...AutheliaAuthelia is an open source authentication and authorization server providing multi-factor authentication an...AudatexAudatex (a Solera company) provides automotive claims and repair solutions with data and technology service...RunwayRunway is an applied AI research company that builds generative AI tools for creative professionals. Their ...FactorialFactorial is an all-in-one HR, payroll, time, talent, finance, and IT management platform headquartered in ...JustworksJustworks is a New York City-based Professional Employer Organization (PEO) and small-business HR platform....ServiceTitanServiceTitan is the operating system for the trades — all-in-one field service management software for resi...WiktionaryWiktionary is the free, collaborative multilingual dictionary project of the Wikimedia Foundation, the dict...WunderGraphFull Lifecycle API Management for (Federated) GraphQL. Schema Registry, composition checks, analytics, metr...AmadeusAmadeus for Developers is the self-service developer program from Amadeus IT Group, the leading technology ...AmTrust Financial ServicesAmTrust Financial Services is a multinational specialty property and casualty insurer focused on small to m...CrewAI CloudCrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...HostawayHostaway is an AI-powered vacation rental management platform that consolidates property management, channe...ZitadelZitadel is an open source identity infrastructure platform providing secure authentication and user managem...PeopleSoftCollection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Managem...CircleCICircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates software build...UberUber is a global technology platform offering transportation, food delivery, and logistics services. Its de...AltruistiqAltruistiq is a London-based climate intelligence platform for food and beverage and other FMCG enterprises...DeepgramDeepgram is an enterprise voice AI platform that provides speech-to-text, text-to-speech, and voice agent A...Blizzard EntertainmentBlizzard Entertainment is an American video game developer and publisher and a subsidiary of Activision Bli...MaerskA.P. Moller - Maersk is the Danish integrated container shipping and logistics company. Maersk operates one...PaychexPaychex, Inc. (NASDAQ: PAYX) is a Rochester, New York-based provider of integrated payroll, human resources...Australia PostAustralia Post is Australia's primary postal operator, offering a developer platform with REST APIs for e-c...WrikeWrike is a collaborative work management platform used by 30,000+ organizations. The Wrike Developer Platfo...VA LighthouseVA Lighthouse is the US Department of Veterans Affairs' developer API platform. Published at developer.va.g...DiscordDiscord is a voice, video and text communication service used by hundreds of millions of people to hang out...AmeriHealth CaritasAmeriHealth Caritas is one of the largest Medicaid managed care organizations in the United States, serving...NangoNango.dev is a developer infrastructure platform that simplifies building product integrations with externa...Twilio SegmentTwilio Segment is a customer data platform that collects, cleans, and routes customer data to hundreds of d...UnkeyUnkey is the developer platform for modern APIs, providing globally distributed API key management, rate li...AutoCADAPIs for Autodesk AutoCAD, providing programmatic access to CAD design, drawing, and automation capabilitie...Epidemic SoundEpidemic Sound is a Stockholm-based royalty-free music and sound effects licensing platform for video creat...RollbarRollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures...CopperCopper is a CRM platform built natively for Google Workspace, designed to help teams cultivate enduring cli...BasecampBasecamp is a project management and team collaboration platform developed by 37signals. The Basecamp REST ...DropboxDropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Fran...FreshworksFreshworks is a software company that develops cloud-based business software including customer support, IT...Ruby Programming Language and Popular API GemsA profile of the Ruby programming language ecosystem from an API perspective: the language and its standard...SAP ConcurSAP Concur is a leading provider of integrated travel, expense, and invoice management solutions. Their API...PandaDocPandaDoc is a document automation platform that enables businesses to create, send, track, and e-sign docum...SAS InstituteSAS Institute is a global leader in analytics, AI, and data management software. SAS Viya, its cloud-native...PolarPolar Electro Oy (operating as Polar Global) is a Finnish sports and fitness technology company founded in ...SAP FieldglassSAP Fieldglass is a cloud-based vendor management system (VMS) that enables organizations to manage their c...Bank of AmericaBank of America is a multinational investment bank and financial services holding company providing consume...Workday RecruitingAPIs for Workday's cloud-based recruiting and talent acquisition solution, providing programmatic access to...DexcomDexcom is a leading medical device company that develops, manufactures, and distributes continuous glucose ...EVE OnlineEVE Online is a massively multiplayer online (MMO) space game published by CCP Games. The EVE Online third-...LinearLinear is an issue tracking and product development platform for software teams covering Intake, Plan, Buil...ProductivThe SaaS Management Platform that delivers the industrys most comprehensive view of your SaaS portfolio wit...AirbusA European multinational aerospace corporation designing, manufacturing, and selling commercial aircraft, h...AppDynamicsAppDynamics, now part of Cisco, is an application performance monitoring (APM) and observability platform t...
Thin 25 Limited public surface area
SplitSplit, now part of Harness Feature Management and Experimentation, is a feature flag and experimentation pl...AmpersandAmpersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI...TrioptimaTrioptima provides post-trade infrastructure services for the OTC derivatives market, including portfolio c...OlaOla is India's leading ride-sharing and mobility platform operating across 100+ cities in India and interna...BNY MellonBNY Mellon is a global investments company providing asset servicing, asset management, wealth management, ...3M3M is a global science and manufacturing company. The 3M Partner and Supplier API provides real-time access...FivetranFivetran is an automated data integration platform providing pre-built connectors for syncing data from Saa...RipplingRippling is a unified workforce platform spanning HR, IT, and Finance with programmable APIs for employees,...United States Postal ServiceThe United States Postal Service (USPS) provides a modern REST API platform at developers.usps.com that giv...AllianzAllianz is one of the world's largest insurance and financial services companies, serving over 86 million c...Allianz TradeAllianz Trade APIs enable businesses to automate trade credit insurance management including cover requests...Agilent TechnologiesAgilent Technologies is a global leader in life sciences, diagnostics, and applied chemical markets, provid...FormantFormant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...CieloCielo is one of the largest Brazilian card acquirers and a publicly traded company (B3:CIEL3), originally f...Monday.comAn expressive API to interact with your workflows, automate processes, power integrations, and more!UpworkUpwork is a global freelancing platform that connects businesses with independent professionals through a t...Ariba Guided BuyingSAP Ariba Guided Buying provides a consumer-like shopping experience for enterprise procurement, enabling e...MagentoOverview of the Adobe Commerce and Magento Open Source REST API documentation.GlamaGlama is an all-in-one AI workspace combining an MCP server marketplace and registry, a managed MCP gateway...BMW ConnectedDriveBMW ConnectedDrive is BMW Group's umbrella for connected vehicle services spanning navigation, remote servi...Volvo CarsVolvo Cars is a Swedish premium automotive OEM (headquartered in Gothenburg, owned by Geely) that operates ...ABN AMROA Dutch banking and financial services group serving retail, private, and corporate clients across Europe. ...Model Context Protocol (MCP)Model Context Protocol is an open, JSON-RPC 2.0 protocol from Anthropic that standardizes how AI applicatio...Battle.netBattle.net is Blizzard Entertainment's online gaming platform and developer API ecosystem. It provides game...AbacusAbacus (now part of Emburse Spend) is an expense management platform that allows businesses to streamline e...
Emerging 5 Early or largely undocumented
NHS England DigitalNHS England (incorporating the former NHS Digital and NHSX) provides national digital, data, and technology...CasdoorCasdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser...HostfullyHostfully is a San Francisco-based short-term rental (STR) property management platform serving vacation re...SatellogicSatellogic is an Argentine-founded, U.S.-listed (NASDAQ: SATL) vertically integrated Earth observation comp...AutoGen StudioAutoGen Studio is a low-code / no-code developer GUI from Microsoft Research for rapidly prototyping, compo...
Minimal 1 Almost no public developer surface
What Providers Actually Declared
This feature is a canonical term. These are the free-text strings
providers wrote in their own apis.yml that map onto it.
30+ OAuth scopes for fine-grained partner accessAPI Key + OAuth 2.0Auth: OAuth 2.0/1.0a, API Key, Basic, JWT, customAuthentication API (OAuth 2.0 / OIDC / SAML / WS-Federation)Authentication via API Key (AUTH-KEY header), Basic Auth, OAuth 2.0 Client Credentials, or OAuth 2.0 Authorization CodeAuthentication — OAuth 2.0 client-credentials via the Passport token service plus legacy InterswitchAuth signature scheme (SHA1-signed headers)B2B Authentication API (Organizations, Members, SSO SAML/OIDC, SCIM, Discovery, RBAC, Magic Links, OTP, OAuth, Sessions)Backstage API — OAuth 2.0 client credentials, base URL https://backstage.taboola.com/backstage/api/1.0Browser-based MCP Inspector with ephemeral sandbox, JSON-RPC trace view, OAuth flow handling, and shareable sessionsBuzz credit system for metering generation, with per-app spend caps on delegated OAuth tokensDeveloper Platform with OAuth 2.0 (authorization code) member-data APIExperimental GitHub OAuth authentication with JWT (`--auth-config auth.yaml`); disabled by default, WebSockets require `?token=` query param when enabledHTTP Basic + OAuth 2.0 client credentialsHeadless, API-first commerce platform with stateless OAuth 2.0 checkout to sell anywhere — web, mobile, chatbot, AI agent, IoT, in-store kioskJustworks Partner API at public-api.justworks.com with OAuth 2.0 authorization-code flowManaged OAuth AuthenticationOAuth 2.0OAuth 2.0 (3LO) and API tokensOAuth 2.0 (3LO), API tokens, OAuth client credentialsOAuth 2.0 (44 scopes, PKCE S256, device code, RFC 7591 registration) + bk_{region}_ API keysOAuth 2.0 (Authorization Code + PKCE) via EVE SSO with around 60 fine-grained scopesOAuth 2.0 (JWT, ACG, AGCG, IGCG)OAuth 2.0 (account-level and user-level)OAuth 2.0 (private apps) and API keysOAuth 2.0 + API keysOAuth 2.0 + API keys (Bearer)OAuth 2.0 + API tokensOAuth 2.0 + Application API tokensOAuth 2.0 + Personal API tokensOAuth 2.0 + Personal API tokens + service accountsOAuth 2.0 + admin/customer/integration tokensOAuth 2.0 + personal API tokensOAuth 2.0 + project tokensOAuth 2.0 + root keysOAuth 2.0 + self-client tokensOAuth 2.0 + service accountsOAuth 2.0 + workspace API keysOAuth 2.0 + workspace API tokensOAuth 2.0 / OIDCOAuth 2.0 / OpenID Connect identity-provider endpoints including discovery
Showing 40 of 118 declared variants
Work with this as data
Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.