Home
Features
Single Sign-On
Feature
Single Sign-On
Enterprise SSO via SAML or OIDC identity providers.
83 providers
1197 APIs
75 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.
83 API providers on the APIs.io network offer single sign-on. The highest-rated are Didomi, Commerce Layer, LaunchDarkly, Gitea, Plaid.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar
8
Complete, well-documented, and agent-ready
Didomi Didomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti... 1 API 78.1 Commerce Layer Commerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m... 3 APIs 72.5 LaunchDarkly LaunchDarkly is a feature management and runtime control platform. Development teams use it to wrap release... 3 APIs 71.0 Gitea Gitea is an open-source, self-hosted Git service and all-in-one DevOps platform written in Go and licensed ... 2 APIs 70.8 Plaid Plaid is a US financial-technology company and data-network aggregator that provides an API platform for bu... 71 APIs 68.7 Postman Postman is the world's leading API platform, used by 35+ million developers to design, build, test, documen... 21 APIs 67.2 Asana Asana is a web and mobile application designed to help teams organize, track, and manage their work. The As... 3 APIs 66.5 Barndoor Barndoor AI is the control plane for agentic AI, providing secure access and governance for AI agents and M... 1 API 66.5
Strong
21
Solid coverage with minor gaps
Buildkite Buildkite is a hybrid CI/CD platform that combines a hosted control plane (pipelines.buildkite.com) with se... 2 APIs 65.9 PropelAuth PropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz... 3 APIs 65.9 Affinda Affinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d... 4 APIs 64.7 Slack Slack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ... 32 APIs 64.7 Raygun Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and... 1 API 63.2 Notion Notion is an all-in-one workspace that combines notes, tasks, wikis, and databases. The Notion API allows d... 1 API 62.4 Zapier Zapier is an automation platform that connects different apps and services to automate workflows without re... 1 API 62.0 Unified.to Unified is a real-time unified API platform that provides access to over 360 integrations across 22 categor... 11 APIs 61.7 emnify emnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN... 1 API 60.8 GitHub The GitHub REST API allows developers to programmatically interact with GitHub resources including reposito... 38 APIs 60.7 Nanonets Nanonets is a no-code document AI and OCR platform that combines a custom-model OCR API, pre-built document... 3 APIs 60.3 Interswitch Interswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 a... 10 APIs 60.1 Microsoft Collection of Microsoft's primary APIs and developer resources. 17 APIs 59.6 Qlik Sense APIs Qlik Sense and Qlik Cloud from Qlik Parent, Inc. — a business intelligence, data integration and AI analyti... 82 APIs 59.3 Google Quantum AI Google Quantum AI is Google's quantum-computing research and engineering arm, building superconducting quan... 1 API 58.7 Microsoft Azure Microsoft Azure is a cloud computing platform and infrastructure for building, deploying, and managing appl... 697 APIs 57.6 Microsoft Azure Active Directory Microsoft Azure Active Directory (Azure AD), now Microsoft Entra ID, is Microsoft's cloud-based identity an... 1 API 57.4 Vespa Vespa is an open-source AI search engine, big-data serving engine, and vector database originally developed... 3 APIs 57.1 Zitadel Zitadel is an open source identity infrastructure platform providing secure authentication and user managem... 1 API 56.5 Deel Deel is a global workforce platform combining payroll, Employer of Record (EOR), independent contractor man... 8 APIs 55.0 Calm Calm is a leading consumer mental-wellness company whose app offers guided meditations, Sleep Stories, brea... 1 API 54.3
Developing
29
Usable, with meaningful gaps to close
Tray.ai Tray.ai (formerly Tray.io) is an AI-ready enterprise orchestration platform for data and AI, combining a Me... 2 APIs 53.5 Amazon Managed Grafana Amazon Managed Grafana is a fully managed service for open source Grafana developed in collaboration with G... 1 API 53.4 Lunar Energy Lunar Energy is a Mountain View, California-based residential clean-energy company founded in August 2020 b... 2 APIs 53.4 Amazon Cognito Amazon Cognito is an AWS service that provides authentication, authorization, and user management for web a... 2 APIs 53.1 CrewAI Cloud CrewAI Cloud (CrewAI AMP) is the managed Agent Management Platform for deploying, monitoring, scaling, and ... 1 API 52.7 Amazon Migration Hub AWS Migration Hub provides a single location to track the progress of application migrations across multipl... 1 API 52.5 Grafana Grafana Labs builds the open and composable observability stack used by millions of engineers to visualize,... 20 APIs 52.3 Shippo Shippo provides a robust shipping API architecture that helps developers drive efficiency at scale. The Shi... 1 API 52.2 Cobalt Traditional integrations are slow, fragmented, and hinder growth. Cobalt is changing that. A next-gen integ... 1 API 52.1 Runway Runway is an applied AI research company that builds generative AI tools for creative professionals. Their ... 3 APIs 51.9 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 51.2 Amazon Amplify AWS Amplify is a set of tools and services for building secure, scalable full-stack applications powered by... 2 APIs 50.9 PolyAPI Poly, built using cutting-edge AI and Kubernetes-native technology, accelerates development and simplifies ... 1 API 50.8 Descope Descope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of... 1 API 50.5 WorkOS WorkOS is the "Enterprise Ready" identity platform for B2B SaaS — providing AuthKit user management, enterp... 1 API 50.1 Heidi Health Heidi Health is a Melbourne, Australia-founded AI care partner for clinicians, founded in 2019 by Dr. Tom K... 1 API 49.7 Zoom Zoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom... 12 APIs 49.5 Microsoft Azure Cloud A comprehensive collection of Microsoft Azure cloud service APIs covering compute, storage, databases, AI, ... 1 API 49.2 CircleCI CircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates software build... 2 APIs 49.0 Amazon CodeGuru Reviewer Amazon CodeGuru Reviewer is an automated code review service that uses machine learning and AWS best practi... 1 API 46.5 Elastic.io Elastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a... 1 API 46.5 Humaans Humaans is a London-headquartered modern HRIS (Human Resources Information System) for fast-growing, distri... 1 API 46.2 Azure Active Directory Microsoft's cloud-based identity and access management service that helps employees sign in and access reso... 1 API 43.7 Supabase Supabase is an open-source Firebase alternative that provides a suite of backend services built on top of P... 5 APIs 42.3 Apache NiFi Apache NiFi is a dataflow management system designed to automate the flow of data between systems. It provi... 1 API 41.0 Apache Knox Apache Knox is a REST API and application gateway for the Apache Hadoop ecosystem. It provides a single acc... 1 API 40.5 Apache HBase Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google's Bigt... 1 API 40.3 Argo CD Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes that automates the deployment of a... 1 API 40.0 Heap Heap is a digital analytics platform that automatically captures every user interaction on web and mobile a... 2 APIs 39.5
Thin
16
Limited public surface area
QlikView QlikView is Qlik's guided-analytics platform for business intelligence and data visualization, installed an... 10 APIs 39.0 Authelia Authelia is an open source authentication and authorization server providing multi-factor authentication an... 1 API 38.7 PagerDuty PagerDuty is a digital operations management platform that helps teams detect problems and resolve incident... 1 API 38.7 trello Trello is a web-based, kanban-style, list-making application that allows users to organize tasks, projects,... 1 API 37.0 Zero Trust Network Access Zero Trust Network Access (ZTNA) is a security framework and product category that grants access to private... 1 API 36.4 honeycomb Build integrations and automate workflows with the Honeycomb API. Programmatically manage datasets, queries... 1 API 36.2 Qdrant Qdrant is a vector similarity search engine that provides a production-ready service with a convenient API ... 1 API 36.2 clickup Work with tasks using the ClickUp API. 12 APIs 35.3 Riskified Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a glo... 7 APIs 34.7 bugsnag Bugsnag is an application stability monitoring platform that helps software teams detect, diagnose, and fix... 5 APIs 32.4 Factory Factory is an agent-native software development platform whose Droids act as autonomous AI engineers that p... 3 APIs 32.0 Incident.io incident.io is an incident management platform that helps teams declare, manage, and learn from incidents. 25 APIs 29.6 Acadia Acadia is a Connected Worker Platform designed for employee productivity, acquired by Epicor. It delivers d... 5 APIs 29.5 AWS CLI The AWS Command Line Interface (AWS CLI) is a unified tool to manage AWS services from the command line. Wi... 1 API 29.0 Casdoor Casdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser... 1 API 28.2 Blynk Blynk is a low-code / no-code IoT software platform that helps companies prototype, deploy, and remotely ma... 3 APIs 28.1
Emerging
8
Early or largely undocumented
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.
API calls not associated with labels billed at API Starter rates AWS SSO Support Accessories Group Association Rules Association Services Association members: 197 as of 01 July 2026 Associative Data Model Associative Engine Auth (email/password, OAuth, magic links, SAML SSO) Authentication And SSO Blynk.NCP — network co-processor reference design Business at $12/user/mo with dashboards, automations (5K/mo), Google SSO Business at $18.33/user/mo with 300 participants, SSO, managed domains Business at $20/member/mo with Notion Agent, SAML SSO, AI Meeting Notes Business+ at $15/user/mo with SSO, compliance, full AI Card 360 — issuer-processor card management for Verve, debit, and prepaid cards (create, PIN, block, link, balance) Container API for custom searchers, document processors, and handlers Coprocessors Domain Association Enterprise SSO via SAML and OIDC with self-service per-organization setup (Okta, Entra ID, etc.) Enterprise SSO, SAML/SCIM, Zero Data Retention, on-prem deploy Enterprise at $17.50/user/mo: org-wide permissions, SSO via Atlassian Guard Enterprise custom: SAML/SCIM, custom roles, release automation Enterprise features including SSO, centralised billing, custom hosting, dedicated CSM Enterprise: SAML/SCIM, capacity planning, AI Studio (200K credits) Enterprise: SSO, custom org spaces, Workspace Analytics Founding member of the Digital Container Shipping Association (DCSA) — APIs align with DCSA standards Free: 10K monthly sessions, 6 months history, SSO Host: Mortgage Bankers Association; MISMO founded 1999, MBA subsidiary since 2004 Hundreds of Built-in Processors Identity Provider Integration Microsoft Entra ID Authentication NHS Login Identity Provider OIDC and OAuth Token Exchange (RFC 8693) for short-lived API tokens from identity providers Partner SAML 2.0 IdP-initiated SSO with unique SubjectNameId Pay-as-you-go default; Growth tier with discounts and SSO Post-Processor Support Pre-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% SLA Pro $1,250/mo: 1.25M API calls, SAML SSO, secrets manager
Showing 40 of 75 declared variants
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.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for features
3 MCP tools reach this
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.
All 92 tools →
Call it yourself
curl for this page
Search the catalog
curl "https://apis.io/api/v1/search?q=sso&limit=10"
Everything under a tag
curl "https://apis.io/api/v1/tags/sso"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no email required.
A second provider on the same verified email joins the account you already have.