Clerk is a complete user management and authentication infrastructure platform offering embeddable UI components, flexible APIs, and admin dashboards. It provides full-stack authentication including multi-factor authentication, social sign-on, passkeys, organizations for B2B SaaS, billing, session management, and machine-to-machine authentication, with SDKs spanning Next.js, React, Expo, iOS, Android, Go, Python, Ruby, Java, PHP, and C#.

APIs.json: https://raw.githubusercontent.com/api-evangelist/clerk-com/refs/heads/main/apis.yml

• Type: Index

• Authentication
• Authorization
• B2B SaaS
• CIAM
• Identity Management
• MFA
• OAuth
• OpenID Connect
• Organizations
• Passkeys
• SAML
• Security
• Sessions
• SSO
• User Management

• Created: 2026-05-22
• Modified: 2026-05-22

The Clerk Backend API is a REST API meant to be accessed by backend servers. It exposes resources for managing users, sessions, organizations, invitations, JWT templates, OAuth applications, SAML connections, M2M tokens, API keys, and billing — wrapped by every official Clerk backend SDK.

• Human URL: https://clerk.com/docs/reference/backend-api
• Base URL: https://api.clerk.com/v1

• Authentication
• Backend
• Identity Management
• REST
• User Management

• Documentation
• API Reference
• OpenAPI — OpenAPI Specification
• Postman Collection — Postman Collection 2.1
• Open Collection — Open Collection 1.0
• Getting Started
• Authentication
• Spectral Ruleset

The Clerk Frontend API powers Clerk's prebuilt UI components and JavaScript SDKs. It handles sign-in, sign-up, session, organization, passkey, multi-factor, billing, and waitlist flows directly from browser, mobile, and chrome-extension contexts.

• Human URL: https://clerk.com/docs
• Base URL: https://{domain}.clerk.accounts.dev

• Authentication
• Frontend
• JavaScript
• Sessions
• Sign-In
• Sign-Up

• Documentation
• OpenAPI — OpenAPI Specification
• Postman Collection — Postman Collection 2.1
• Open Collection — Open Collection 1.0

The Clerk Platform API (beta) is a partner / reseller surface for programmatically creating and managing Clerk applications, domains, application transfers, users, JWT templates, redirect URLs, and platform configuration on behalf of end customers.

• Human URL: https://clerk.com/docs
• Base URL: https://api.clerk.com/v1

• Applications
• Beta
• Multi-Tenant
• Partner
• Platform

• Documentation
• OpenAPI — OpenAPI Specification
• Postman Collection — Postman Collection 2.1
• Open Collection — Open Collection 1.0

Clerk Webhooks deliver real-time events for users, sessions, organizations, invitations, email, SMS, and SAML changes via Svix, allowing applications to react asynchronously to identity lifecycle events.

• Human URL: https://clerk.com/docs/webhooks/overview
• Base URL: https://api.clerk.dev/v1

• Events
• Svix
• Webhooks

• Documentation
• OpenAPI — OpenAPI Specification
• Open Collection — Open Collection 1.0

• Homepage
• Documentation
• Sign Up
• Sign In
• Pricing
• Terms of Service
• Privacy Policy
• Security
• Blog
• Changelog
• Changelog R S S
• Status Page
• Support
• Git Hub
• Open A P I Repository
• X (Twitter)
• SDK
• SDK
• SDK
• SDK
• SDK
• SDK
• SDK
• SDK
• SDK
• SDK
• C L I
• C L I
• Integration
• Integration
• Integration
• Tool
• Tool
• Tool
• Tool
• Plans
• Rate Limits
• Fin Ops
• Vocabulary
• JSON-LD — JSON-LD
• JSON Schema — JSON Schema
• JSON Structure
• JSON Schema — JSON Schema
• JSON Structure
• JSON Schema — JSON Schema
• JSON Structure
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FN: Kin Lane Email: kin@apievangelist.com