Feature

Single Sign-On

Enterprise SSO via SAML or OIDC identity providers.

79 providers 1073 APIs 71 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.

79 API providers on the APIs.io network offer single sign-on. The highest-rated are Unified.to, Postman, Asana, Affinda, Zapier.

Providers

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

Exemplar 8 Complete, well-documented, and agent-ready
Unified.to Unified is a real-time unified API platform that provides access to over 360 integrations across 22 categor... 14 APIs 77.1 Postman Postman is the world's leading API platform, used by 35+ million developers to design, build, test, documen... 17 APIs 75.3 Asana Asana is a web and mobile application designed to help teams organize, track, and manage their work. The As... 45 APIs 74.8 Affinda Affinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d... 14 APIs 74.2 Zapier Zapier is an automation platform that connects different apps and services to automate workflows without re... 4 APIs 73.2 Gitea Gitea is an open-source, self-hosted Git service and all-in-one DevOps platform written in Go and licensed ... 5 APIs 71.5 Microsoft Azure Microsoft Azure is a cloud computing platform and infrastructure for building, deploying, and managing appl... 463 APIs 71.0 Commerce Layer Commerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m... 3 APIs 70.3
Strong 23 Solid coverage with minor gaps
Notion Notion is an all-in-one workspace that combines notes, tasks, wikis, and databases. The Notion API allows d... 1 API 69.4 GitHub The GitHub REST API allows developers to programmatically interact with GitHub resources including reposito... 65 APIs 69.2 Raygun Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and... 15 APIs 68.9 Slack Slack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ... 39 APIs 68.1 Buildkite Buildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se... 5 APIs 67.8 PropelAuth PropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz... 5 APIs 67.7 Amazon Managed Grafana Amazon Managed Grafana is a fully managed service for open source Grafana developed in collaboration with G... 1 API 67.3 Amazon Cognito Amazon Cognito is an AWS service that provides authentication, authorization, and user management for web a... 2 APIs 66.5 Didomi Didomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti... 6 APIs 64.7 Amazon IAM Identity Center AWS IAM Identity Center (successor to AWS Single Sign-On) is where you create, or connect, your workforce i... 2 APIs 64.4 Nanonets Nanonets is a no-code document AI and OCR platform that combines a custom-model OCR API, pre-built document... 4 APIs 64.3 Cobalt Traditional integrations are slow, fragmented, and hinder growth. Cobalt is changing that. A next-gen integ... 1 API 63.3 Tray.ai Tray.ai (formerly Tray.io) is an AI-ready enterprise orchestration platform for data and AI, combining a Me... 2 APIs 63.3 CrewAI Cloud CrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ... 3 APIs 63.2 emnify emnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN... 4 APIs 63.2 Heidi Health Heidi Health is a Melbourne, Australia-founded AI care partner for clinicians, founded in 2019 by Dr. Tom K... 11 APIs 62.8 Amazon Migration Hub AWS Migration Hub provides a single location to track the progress of application migrations across multipl... 1 API 61.8 WorkOS WorkOS is the "Enterprise Ready" identity platform for B2B SaaS — providing AuthKit user management, enterp... 1 API 61.8 PagerDuty PagerDuty is a digital operations management platform that helps teams detect problems and resolve incident... 2 APIs 60.8 Vespa Vespa is an open-source AI search engine, big-data serving engine, and vector database originally developed... 8 APIs 60.8 PolyAPI Poly, built using cutting-edge AI and Kubernetes-native technology, accelerates development and simplifies ... 1 API 60.7 Interswitch Interswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 a... 12 APIs 60.4 CircleCI CircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates software build... 5 APIs 60.1
Developing 24 Usable, with meaningful gaps to close
Barndoor Barndoor AI is the control plane for agentic AI, providing secure access and governance for AI agents and M... 8 APIs 59.8 Google Quantum AI Google Quantum AI is Google's quantum-computing research and engineering arm, building superconducting quan... 10 APIs 59.3 Runway Runway is an applied AI research company that builds generative AI tools for creative professionals. Their ... 5 APIs 58.8 Amazon CodeGuru Reviewer Amazon CodeGuru Reviewer is an automated code review service that uses machine learning and AWS best practi... 1 API 58.0 Zoom Zoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom... 41 APIs 57.8 Zitadel Zitadel is an open source identity infrastructure platform providing secure authentication and user managem... 5 APIs 57.1 Amazon Amplify AWS Amplify is a set of tools and services for building secure, scalable full-stack applications powered by... 1 API 56.9 Microsoft Collection of Microsoft's primary APIs and developer resources. 17 APIs 56.6 Apache Knox Apache Knox is a REST API and application gateway for the Apache Hadoop ecosystem. It provides a single acc... 2 APIs 56.4 Supabase Supabase is an open-source Firebase alternative that provides a suite of backend services built on top of P... 6 APIs 55.9 Argo CD Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes that automates the deployment of a... 1 API 55.8 Microsoft Azure Active Directory Microsoft Azure Active Directory (Azure AD), now Microsoft Entra ID, is Microsoft's cloud-based identity an... 10 APIs 55.1 Grafana Grafana Labs builds the open and composable observability stack used by millions of engineers to visualize,... 20 APIs 53.4 Plaid Plaid is a financial technology company that provides an API platform for businesses to connect with user's... 39 APIs 52.6 Elastic.io Elastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a... 1 API 51.5 Acadia Acadia is a Connected Worker Platform designed for employee productivity, acquired by Epicor. It delivers d... 1 API 50.8 Microsoft Azure Cloud A comprehensive collection of Microsoft Azure cloud service APIs covering compute, storage, databases, AI, ... 10 APIs 50.3 Shippo Shippo provides a robust shipping API architecture that helps developers drive efficiency at scale. The Shi... 1 API 50.3 Heap Heap is a digital analytics platform that automatically captures every user interaction on web and mobile a... 6 APIs 48.8 Apache HBase Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigt... 2 APIs 48.1 Lunar Energy Lunar Energy is a Mountain View, California-based residential clean-energy company founded in August 2020 b... 3 APIs 47.9 honeycomb Build integrations and automate workflows with the Honeycomb API. Programmatically manage datasets, queries... 9 APIs 46.3 trello Trello is a web-based, kanban-style, list-making application that allows users to organize tasks, projects,... 3 APIs 46.3 Calm Calm is an American digital wellness company headquartered in San Francisco that builds a mobile and web ap... 1 API 45.2
Thin 21 Limited public surface area
Azure Active Directory Microsoft's cloud-based identity and access management service that helps employees sign in and access reso... 2 APIs 44.7 launchdarkly LaunchDarkly is a feature management platform that enables development teams to deliver and control softwar... 3 APIs 44.6 Qdrant Qdrant is a vector similarity search engine that provides a production-ready service with a convenient API ... 1 API 44.3 clickup Work with tasks using the ClickUp API. 12 APIs 43.8 Humaans Humaans is a London-headquartered modern HRIS (Human Resources Information System) for fast-growing, distri... 1 API 43.6 Casdoor Casdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser... 8 APIs 42.2 Descope Descope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of... 5 APIs 41.6 Incident.io incident.io is an incident management platform that helps teams declare, manage, and learn from incidents. 1 API 41.6 Qlik Sense APIs Collection of APIs for Qlik Sense, a business intelligence and visual analytics platform. Qlik provides RES... 13 APIs 41.0 QlikView QlikView is a business intelligence and data visualization platform that enables users to create guided ana... 10 APIs 40.5 bugsnag Bugsnag is an application stability monitoring platform that helps software teams detect, diagnose, and fix... 5 APIs 40.0 Zero Trust Network Access Zero Trust Network Access (ZTNA) is a security framework and product category that grants access to private... 6 APIs 38.6 BB&T Corp (Truist) BB&T Corporation was a major financial services holding company that merged with SunTrust Banks in December... 5 APIs 37.0 Autodesk PowerMill Autodesk PowerMill is a leading CAM (Computer-Aided Manufacturing) software solution for high-speed and 5-a... 3 APIs 36.4 Apache NiFi Apache NiFi is a dataflow management system designed to automate the flow of data between systems. It provi... 3 APIs 35.3 Authelia Authelia is an open source authentication and authorization server providing multi-factor authentication an... 2 APIs 34.9 NHS England Digital NHS England (incorporating the former NHS Digital and NHSX) provides national digital, data, and technology... 7 APIs 34.2 Riskified Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a glo... 7 APIs 34.0 AWS CLI The AWS Command Line Interface (AWS CLI) is a unified tool to manage AWS services from the command line. Wi... 1 API 33.3 Blynk Blynk is a low-code / no-code IoT software platform that helps companies prototype, deploy, and remotely ma... 3 APIs 32.5 Factory Factory is an agent-native software development platform whose Droids act as autonomous AI engineers that p... 3 APIs 31.2
Emerging 3 Early or largely undocumented
Apache MADlib Apache MADlib is an open-source library for scalable in-database analytics. It provides data-parallel imple... 1 API 24.5 Beamy Beamy is a SaaS discovery and governance platform that helps organizations identify unauthorized cloud appl... 1 API 24.3 CMA CGM CMA CGM is a Marseille-headquartered French container shipping, logistics, and port operator and the third-... 6 APIs 16.3

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 SupportAssociation RulesAssociation ServicesAssociative 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, SSOHundreds of Built-in ProcessorsIdentity Provider IntegrationMicrosoft Entra ID AuthenticationNHS Login Identity ProviderOIDC 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/SAMLProvisioning API (48 ops): organizations, memberships, roles, API credentials, identity providers (SSO)

Showing 40 of 71 declared variants