Feature

Single Sign-On

Enterprise SSO via SAML or OIDC identity providers.

78 providers 1307 APIs 72 declared variants

Users authenticate through a corporate identity provider rather than product-local credentials. A hard requirement for enterprise buyers and usually the gate on an enterprise plan.

78 API providers on the APIs.io network offer single sign-on. The highest-rated are Tray.ai, Microsoft Entra ID (formerly Azure AD), GitHub, Didomi, LaunchDarkly.

Providers

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

Exemplar 21 Complete, well-documented, and agent-ready
Tray.aiTray.ai (formerly Tray.io) is an AI-ready enterprise orchestration platform for data and AI, combining a Me...6 published contracts89.3Microsoft Entra ID (formerly Azure AD)Microsoft's cloud-based identity and access management service that helps employees sign in and access reso...9 published contracts83.3GitHubThe GitHub REST API allows developers to programmatically interact with GitHub resources including reposito...38 published contracts82.7DidomiDidomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti...2 published contracts81.5LaunchDarklyLaunchDarkly is a feature management and runtime control platform. Development teams use it to wrap release...3 published contracts80.8PlaidPlaid is a US financial-technology company and data-network aggregator that provides an API platform for bu...74 published contracts80.2PostmanPostman is the world's leading API platform, used by 35+ million developers to design, build, test, documen...21 published contracts80.2GrafanaGrafana Labs builds the open and composable observability stack used by millions of engineers to visualize,...1 published contract78.8BugsnagBugSnag is an application stability monitoring platform from SmartBear that helps software teams detect, di...5 published contracts78.4Microsoft AzureMicrosoft Azure is a cloud computing platform and infrastructure for building, deploying, and managing appl...697 published contracts76.7TrelloTrello is a web-based, kanban-style, list-making application from Atlassian that lets teams organize tasks,...2 published contracts74.8GiteaGitea is an open-source, self-hosted Git service and all-in-one DevOps platform written in Go and licensed ...2 published contracts73.0MicrosoftCollection of Microsoft's primary APIs and developer resources.17 published contracts72.7Qlik SenseQlik Sense and Qlik Cloud from Qlik Parent, Inc. — a business intelligence, data integration and AI analyti...78 published contracts72.5ClickupClickUp is a work management platform — tasks, Lists, Folders, Spaces, Docs, Chat, Goals, time tracking, da...16 published contracts72.4BuildkiteBuildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se...2 published contracts72.1AsanaAsana is a web and mobile application designed to help teams organize, track, and manage their work. The As...3 published contracts70.2CircleCICircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates software build...2 published contracts70.0ZapierZapier is an automation platform that connects different apps and services to automate workflows without re...1 published contract69.8SlackSlack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...32 published contracts68.4HoneycombHoneycomb provides an observability platform that gives engineering teams real‑time visibility into distrib...1 published contract67.2
Strong 18 Solid coverage with minor gaps
Commerce LayerCommerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...4 published contracts65.6Unified.toUnified is a real-time unified API platform that provides access to over 360 integrations across 22 categor...11 published contracts65.4DeelDeel is a global workforce platform combining payroll, Employer of Record (EOR), independent contractor man...99 published contracts64.2PropelAuthPropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...3 published contracts63.2NotionNotion is an all-in-one workspace that combines notes, tasks, wikis, and databases. The Notion API allows d...1 published contract62.9BarndoorBarndoor AI is the control plane for agentic AI, providing secure access and governance for AI agents and M...1 published contract62.0RaygunRaygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and...2 published contracts61.6AffindaAffinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d...5 published contracts60.4WorkOSWorkOS is the "Enterprise Ready" identity platform for B2B SaaS — providing AuthKit user management, enterp...1 published contract60.0Google Quantum AIGoogle Quantum AI is Google's quantum-computing research and engineering arm, building superconducting quan...1 published contract57.7NanonetsNanonets is a no-code document AI and OCR platform that combines a custom-model OCR API, pre-built document...3 published contracts57.6DescopeDescope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of...1 published contract56.4ZoomZoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...12 published contracts56.3emnifyemnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...1 published contract55.6InterswitchInterswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 a...10 published contracts55.3BB&T Corp (Truist)BB&T Corporation merged with SunTrust Banks in December 2019 to form Truist Financial Corporation, the sixt...30 published contracts55.0CobaltTraditional integrations are slow, fragmented, and hinder growth. Cobalt is changing that. A next-gen integ...1 published contract54.9AutheliaAuthelia is an open source authentication and authorization server providing multi-factor authentication an...1 published contract54.5
Developing 24 Usable, with meaningful gaps to close
Amazon IAM Identity CenterAWS IAM Identity Center (successor to AWS Single Sign-On) is where you create, or connect, your workforce i...2 published contracts54.2VespaVespa is an open-source AI search engine, big-data serving engine, and vector database originally developed...3 published contracts54.2Amazon Managed GrafanaAmazon Managed Grafana is a fully managed service for open source Grafana developed in collaboration with G...1 published contract53.9Amazon Migration HubAWS Migration Hub provides a single location to track the progress of application migrations across multipl...1 published contract52.2RunwayRunway is an applied AI research company that builds generative AI tools for creative professionals. Their ...9 published contracts51.7Amazon AmplifyAWS Amplify is a set of tools and services for building secure, scalable full-stack applications powered by...2 published contracts51.2ZitadelZitadel is an open source identity infrastructure platform providing secure authentication and user managem...1 published contract50.5ShippoShippo provides a robust shipping API architecture that helps developers drive efficiency at scale. The Shi...1 published contract50.1CalmCalm is a leading consumer mental-wellness company whose app offers guided meditations, Sleep Stories, brea...1 published contract50.0CrewAI CloudCrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ...1 published contract49.7Lunar EnergyLunar Energy is a Mountain View, California-based residential clean-energy company founded in August 2020 b...2 published contracts48.3PolyAPIPoly, built using cutting-edge AI and Kubernetes-native technology, accelerates development and simplifies ...1 published contract47.4Autodesk PowerMillAutodesk PowerMill is a leading CAM (Computer-Aided Manufacturing) software solution for high-speed and 5-a...2 APIs46.9Amazon CodeGuru ReviewerAmazon CodeGuru Reviewer is an automated code review service that uses machine learning and AWS best practi...1 published contract46.3HumaansHumaans is a London-headquartered modern HRIS (Human Resources Information System) for fast-growing, distri...1 published contract46.0PagerDutyPagerDuty is a digital operations management platform that helps teams detect problems and resolve incident...1 published contract45.0Heidi HealthHeidi Health is a Melbourne, Australia-founded AI care partner for clinicians, founded in 2019 by Dr. Tom K...1 published contract44.6Elastic.ioElastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a...1 published contract43.1SupabaseSupabase is an open-source Firebase alternative that provides a suite of backend services built on top of P...5 published contracts42.9QlikViewQlikView is Qlik's guided-analytics platform for business intelligence and data visualization, installed an...10 APIs41.7Apache HBaseApache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigt...1 published contract40.6HeapHeap is a digital analytics platform that automatically captures every user interaction on web and mobile a...2 published contracts40.4Apache KnoxApache Knox is a REST API and application gateway for the Apache Hadoop ecosystem. It provides a single acc...1 published contract39.9Apache NiFiApache NiFi is a dataflow management system designed to automate the flow of data between systems. It provi...1 published contract39.9
Thin 7 Limited public surface area
Emerging 6 Early or largely undocumented
Minimal 2 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.

API calls not associated with labels billed at API Starter ratesAWS SSO SupportAccessories GroupAssociation RulesAssociation ServicesAssociation members: 197 as of 01 July 2026Associative Data ModelAssociative EngineAuth (email/password, OAuth, magic links, SAML SSO)Authentication And SSOBlynk.NCP — network co-processor reference designBusiness at $12/user/mo with dashboards, automations (5K/mo), Google SSOBusiness at $18.33/user/mo with 300 participants, SSO, managed domainsBusiness at $20/member/mo with Notion Agent, SAML SSO, AI Meeting NotesBusiness+ at $15/user/mo with SSO, compliance, full AICard 360 — issuer-processor card management for Verve, debit, and prepaid cards (create, PIN, block, link, balance)Container API for custom searchers, document processors, and handlersCoprocessorsDomain AssociationEnterprise SSO via SAML and OIDC with self-service per-organization setup (Okta, Entra ID, etc.)Enterprise SSO, SAML/SCIM, Zero Data Retention, on-prem deployEnterprise at $17.50/user/mo: org-wide permissions, SSO via Atlassian GuardEnterprise custom: SAML/SCIM, custom roles, release automationEnterprise features including SSO, centralised billing, custom hosting, dedicated CSMEnterprise: SAML/SCIM, capacity planning, AI Studio (200K credits)Enterprise: SSO, custom org spaces, Workspace AnalyticsFounding member of the Digital Container Shipping Association (DCSA) — APIs align with DCSA standardsFree: 10K monthly sessions, 6 months history, SSOHost: Mortgage Bankers Association; MISMO founded 1999, MBA subsidiary since 2004Hundreds of Built-in ProcessorsIdentity Provider IntegrationOIDC and OAuth Token Exchange (RFC 8693) for short-lived API tokens from identity providersPartner SAML 2.0 IdP-initiated SSO with unique SubjectNameIdPay-as-you-go default; Growth tier with discounts and SSOPost-Processor SupportPre-built integrations across Payroll (Remote, Oyster, Papaya Global, Symmetrical, Payap, PayCaptain, Salary), Identity (Okta, JumpCloud, Microsoft Entra ID, Google SSO, SAML), Compliance (Vanta, Drata, Secureframe), Finance (Carta, Pulley, Pleo, Spendesk, Moss, Ramp, Pave, Ravio, Figures, Ledgy, Mesh Payments, Cledara), ATS (Greenhouse, Lever, Workable, Ashby, Teamtailor, Gem, Pinpoint, Manatal), Performance (Lattice, CultureAmp, Leapsome, Workvivo, Eletive, Officevibe, Frankli, Appraisd), Calendar/Comms (Google Calendar, Slack), eSignature (Docusign, Contractbook), Benefits (Ben, Assembly, Bonusly, Goody, Kota, Happl, CakeDrop), Learning (Sana Labs, WorkRamp, Ethena), Automation (Zapier), People Analytics (ChartHop, Insightful)Premium: SSO, private VPC, 99.9% SLAPro $1,250/mo: 1.25M API calls, SAML SSO, secrets managerPro from $130/mo: 1.5B events, 100 triggers, 2 SLOs, SSOPro: $25/user/mo + $20/user for on-call; AI Scribe, SSO/SAML

Showing 40 of 72 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.

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Tools for features

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  • 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.
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curl "https://apis.io/api/v1/search?q=sso&limit=10"
Everything under a tag
curl "https://apis.io/api/v1/tags/sso"

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