Feature
OAuth 2.0
Delegated authorization via OAuth 2.0 flows.
169 providers
1392 APIs
119 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.
169 API providers on the APIs.io network offer oauth 2.0. The highest-rated are Medplum, Shopify, HubSpot, Mailchimp, Availity.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 15 Complete, well-documented, and agent-ready
MedplumMedplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...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...MailchimpMailchimp is an Intuit company providing a marketing automation platform and email marketing service for ma...AvailityAvaility is a healthcare information network and clearinghouse providing REST APIs for real-time HIPAA EDI ...KlaviyoKlaviyo is a marketing automation and customer data platform built for ecommerce. Build custom integrations...SallaSalla is a Saudi Arabia-based e-commerce platform — often called the Shopify of the Middle East — that lets...Commerce LayerCommerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...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...AcquiaAcquia is a leading provider of digital experience management solutions for organizations looking to enhanc...TaboolaTaboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...Independence Blue CrossIndependence Blue Cross (IBX) is the Blue Cross Blue Shield Association licensee for southeastern Pennsylva...FitbitFitbit is a wearable health and fitness platform — devices (trackers, smartwatches, smart scales) plus a co...AirbyteAirbyte is an open-source data integration platform that enables businesses to easily and efficiently move ...
Strong 52 Solid coverage with minor gaps
BuildkiteBuildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se...PropelAuthPropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...SendcloudSendcloud is Europe's leading shipping platform for e-commerce, headquartered in Eindhoven, Netherlands. Th...Dun & BradstreetDun & Bradstreet is a leading global provider of business decisioning data and analytics, anchored by the D...SlackSlack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...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...ConfluenceAPIs for Atlassian Confluence - team collaboration and knowledge management software.Constant ContactConstant Contact is a small-business email and digital marketing platform offering email campaigns, automat...CumulocityCumulocity is an enterprise AIoT (Artificial Intelligence of Things) platform that connects, manages, and a...NotionNotion is an all-in-one workspace that combines notes, tasks, wikis, and databases. The Notion API allows d...TibberTibber is a fully-digital Nordic and European retail electricity provider operating in Norway, Sweden, Germ...Adobe Experience CloudAdobe Experience Cloud is an integrated suite of applications and services for digital marketing, analytics...DocusignDocuSign helps organizations connect and automate how they prepare, sign, act on, and manage agreements. As...Apollo.ioApollo.io is a sales intelligence and go-to-market platform combining a database of 240M+ contacts and 30M+...OktaOkta is the workforce identity incumbent — its Identity Cloud platform (also called the Okta Workforce Iden...ToastToast is a restaurant technology platform providing cloud-based point-of-sale, payment processing, and busi...GitHubThe GitHub REST API allows developers to programmatically interact with GitHub resources including reposito...AllegionAllegion plc is a global security products company with $3.8B in 2024 revenue, 13,000+ employees, and 30+ b...GitHub ActionsAPIs for GitHub Actions - automation and CI/CD platform.InterswitchInterswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 a...Apollo API DocumentationApollo.io is a sales intelligence and engagement platform. Its REST API provides programmatic access to a d...WHOOPWHOOP is a fitness and recovery wearable platform providing a REST API for accessing sleep, recovery, strai...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...BringgBringg is a last-mile delivery and fulfillment orchestration platform headquartered in Tel Aviv (founded 20...IroncladIronclad is the enterprise contract lifecycle management (CLM) platform used by legal, sales, procurement, ...JiraAPIs for Atlassian Jira project management and issue tracking platform.AtlassianAtlassian is a software company that develops collaboration, productivity, and project management tools to ...TraktTrakt is the personal media database for movies and TV. Its API v2 (api.trakt.tv) exposes ~150 endpoints ac...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 ...AutodeskAutodesk is a global leader in design, engineering, and entertainment software, providing cloud-connected p...JobberJobber is field service management software for home and commercial service businesses, serving 100,000+ bu...Login.govLogin.gov is the U.S. federal government's secure single sign-on and identity verification service for the ...MixpanelMixpanel is a business analytics service company that tracks user interactions with web and mobile applicat...MoovMoov is a financial infrastructure platform that enables developers to embed money movement capabilities di...TelstraTelstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, m...ZitadelZitadel is an open source identity infrastructure platform providing secure authentication and user managem...Auth0Auth0 (now part of Okta) is a leading identity-as-a-service platform providing authentication and authoriza...ToastToast (NYSE: TOST) is a cloud-based restaurant technology platform that unifies point-of-sale (POS), paymen...BoxBox is a cloud content management and file sharing service for businesses. Box provides a secure platform f...DroneDeployDroneDeploy is the unified reality-capture platform for construction, agriculture, mining, energy, oil & ga...ReplicateReplicate lets you run machine learning models in the cloud with a simple API. Thousands of open-source mod...Salesforce AutomationA collection of Salesforce APIs for automating business processes, sales operations, and customer relations...SinchSinch is a cloud communications platform providing APIs for SMS, voice, video, fax, verification, and omnic...DeelDeel is a global workforce platform combining payroll, Employer of Record (EOR), independent contractor man...Webflow API and DocumentationWebflow provides a visual web development platform with a comprehensive REST API for programmatically manag...PayPalPayPal is a global online payment system that lets individuals and businesses send and receive money electr...Adobe CaptivateAdobe Captivate is an eLearning authoring tool used to create responsive eLearning content, software demons...CalmCalm is a leading consumer mental-wellness company whose app offers guided meditations, Sleep Stories, brea...
Developing 61 Usable, with meaningful gaps to close
SentrySentry is a developer-first application monitoring platform that helps software teams discover, triage, and...WiktionaryWiktionary is the free, collaborative multilingual dictionary project of the Wikimedia Foundation, the dict...ServiceTitanServiceTitan is the operating system for the trades — all-in-one field service management software for resi...Lunar EnergyLunar Energy is a Mountain View, California-based residential clean-energy company founded in August 2020 b...WunderGraphFull Lifecycle API Management for (Federated) GraphQL. Schema Registry, composition checks, analytics, metr...Amazon CognitoAmazon Cognito is an AWS service that provides authentication, authorization, and user management for web a...FactorialFactorial is an all-in-one HR, payroll, time, talent, finance, and IT management platform headquartered in ...TIDALTIDAL is a high-fidelity music streaming service owned by Block (Square's parent, acquired 2021) offering H...JustworksJustworks is a New York City-based Professional Employer Organization (PEO) and small-business HR platform....CrewAI CloudCrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...GoToWebinarGoToWebinar is GoTo's (formerly LogMeIn) webinar and virtual event platform. The GoToWebinar REST API lets ...RunwayRunway is an applied AI research company that builds generative AI tools for creative professionals. Their ...AmadeusAmadeus for Developers is the self-service developer program from Amadeus IT Group, the leading technology ...SpeakeasyThe platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...StytchStytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...ZohoZoho is a comprehensive cloud software suite offering 55+ integrated business applications for sales, marke...HostawayHostaway is an AI-powered vacation rental management platform that consolidates property management, channe...Workday Report WriterAPIs for Workday Report Writer - a tool for creating custom reports and data extracts from Workday HCM and ...PeopleSoftCollection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Managem...UberUber is a global technology platform offering transportation, food delivery, and logistics services. Its de...DescopeDescope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of...FusioFusio is Apache-2.0, self-hosted API management from apioo (Christoph Kappestein, Germany). An operator ins...ZoomZoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...DeepgramDeepgram is an enterprise voice AI platform that provides speech-to-text, text-to-speech, and voice agent A...CircleCICircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates software build...AltruistiqAltruistiq is a London-based climate intelligence platform for food and beverage and other FMCG enterprises...MaerskA.P. Moller - Maersk is the Danish integrated container shipping and logistics company. Maersk operates one...Blizzard EntertainmentBlizzard Entertainment is an American video game developer and publisher and a subsidiary of Activision Bli...Pure StoragePure Storage is an American publicly traded technology company specializing in all-flash data storage hardw...WrikeWrike is a collaborative work management platform used by 30,000+ organizations. The Wrike Developer Platfo...DiscordDiscord is a voice, video and text communication service used by hundreds of millions of people to hang out...PaychexPaychex, Inc. (NASDAQ: PAYX) is a Rochester, New York-based provider of integrated payroll, human resources...Atlassian ConfluenceAtlassian Confluence is a team collaboration and wiki platform for creating, organizing, and discussing wor...Australia PostAustralia Post is Australia's primary postal operator, offering a developer platform with REST APIs for e-c...RollbarRollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures...Twilio SegmentTwilio Segment is a customer data platform that collects, cleans, and routes customer data to hundreds of d...NangoNango.dev is a developer infrastructure platform that simplifies building product integrations with externa...BigCommerceBigCommerce is a leading e-commerce platform providing APIs for building and managing online stores, produc...CopperCopper is a CRM platform built natively for Google Workspace, designed to help teams cultivate enduring cli...PandaDocPandaDoc is a document automation platform that enables businesses to create, send, track, and e-sign docum...Epidemic SoundEpidemic Sound is a Stockholm-based royalty-free music and sound effects licensing platform for video creat...BasecampBasecamp is a project management and team collaboration platform developed by 37signals. The Basecamp REST ...Ruby Programming Language and Popular API GemsA profile of the Ruby programming language ecosystem from an API perspective: the language and its standard...AmeriHealth CaritasAmeriHealth Caritas is one of the largest Medicaid managed care organizations in the United States, serving...SAP ConcurSAP Concur is a leading provider of integrated travel, expense, and invoice management solutions. Their API...AutoCADAPIs for Autodesk AutoCAD, providing programmatic access to CAD design, drawing, and automation capabilitie...Azure Active DirectoryMicrosoft's cloud-based identity and access management service that helps employees sign in and access reso...DropboxDropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Fran...SAP FieldglassSAP Fieldglass is a cloud-based vendor management system (VMS) that enables organizations to manage their c...SAS InstituteSAS Institute is a global leader in analytics, AI, and data management software. SAS Viya, its cloud-native...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 ...PolarPolar Electro Oy (operating as Polar Global) is a Finnish sports and fitness technology company founded in ...UnkeyUnkey is the developer platform for modern APIs, providing globally distributed API key management, rate li...Bank of AmericaBank of America is a multinational investment bank and financial services holding company providing consume...EVE OnlineEVE Online is a massively multiplayer online (MMO) space game published by CCP Games. The EVE Online third-...VA LighthouseVA Lighthouse is the US Department of Veterans Affairs' developer API platform. Published at developer.va.g...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...SplitSplit, now part of Harness Feature Management and Experimentation, is a feature flag and experimentation pl...AirbusA European multinational aerospace corporation designing, manufacturing, and selling commercial aircraft, h...
Thin 33 Limited public surface area
TrioptimaTrioptima provides post-trade infrastructure services for the OTC derivatives market, including portfolio c...AutheliaAuthelia is an open source authentication and authorization server providing multi-factor authentication an...AmpersandAmpersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI...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...OlaOla is India's leading ride-sharing and mobility platform operating across 100+ cities in India and interna...RipplingRippling is a unified workforce platform spanning HR, IT, and Finance with programmable APIs for employees,...BNY MellonBNY Mellon is a global investments company providing asset servicing, asset management, wealth management, ...United States Postal ServiceThe United States Postal Service (USPS) provides a modern REST API platform at developers.usps.com that giv...clickupWork with tasks using the ClickUp API.messagebirdBuild powerful apps using the fastest and most reliable cloud communications APIs.Model Context Protocol (MCP)Model Context Protocol is an open, JSON-RPC 2.0 protocol from Anthropic that standardizes how AI applicatio...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...AutopayAutopay is a Norwegian parking payment and management platform that provides APIs for parking operators, la...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!Ariba Guided BuyingSAP Ariba Guided Buying provides a consumer-like shopping experience for enterprise procurement, enabling e...freshworksFreshworks is a software company that develops cloud-based business software including customer support, IT...UpworkUpwork is a global freelancing platform that connects businesses with independent professionals through a t...AmTrust Financial ServicesAmTrust Financial Services is a multinational specialty property and casualty insurer focused on small to m...magentoOverview of the Adobe Commerce and Magento Open Source REST API documentation.BMW ConnectedDriveBMW ConnectedDrive is BMW Group's umbrella for connected vehicle services spanning navigation, remote servi...GlamaGlama is an all-in-one AI workspace combining an MCP server marketplace and registry, a managed MCP gateway...Volvo CarsVolvo Cars is a Swedish premium automotive OEM (headquartered in Gothenburg, owned by Geely) that operates ...RailwayThe Railway public API is built with GraphQL and is the same API that powers the Railway dashboard, providi...CasdoorCasdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser...AppDynamicsAppDynamics, now part of Cisco, is an application performance monitoring (APM) and observability platform t...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...ABN AMROA Dutch banking and financial services group serving retail, private, and corporate clients across Europe. ...
Emerging 7 Early or largely undocumented
Automatic Data Processing (ADP)Automatic Data Processing (ADP) is a global provider of cloud-based human capital management (HCM) solution...NHS England DigitalNHS England (incorporating the former NHS Digital and NHSX) provides national digital, data, and technology...BB&T Corp (Truist)BB&T Corporation was a major financial services holding company that merged with SunTrust Banks in December...AutoGen StudioAutoGen Studio is a low-code / no-code developer GUI from Microsoft Research for rapidly prototyping, compo...AudatexAudatex (part of Solera Holdings) provides automotive claims and repair solutions with data and technology ...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...
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 2.0Apps Platform with OAuth2 templates and serverless function modelAuth: 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 (Authorization Code + PKCE) via EVE SSO with around 60 fine-grained scopesOAuth 2.0 (JWT, ACG, AGCG, IGCG)OAuth 2.0 (Sentry Apps) and auth tokensOAuth 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 / OIDC
Showing 40 of 119 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.