aid: clerk
url: https://raw.githubusercontent.com/api-evangelist/clerk/refs/heads/main/apis.yml
name: Clerk
kind: company
description: >-
  Clerk is a drop-in authentication and user management platform for web and
  mobile applications. The product spans sign-up / sign-in flows, user
  profiles, multi-factor authentication, passkeys, social sign-on, magic
  links, bot and fraud detection, organizations (B2B / multi-tenant) with
  custom roles and invitations, and a Billing product for subscriptions. The
  Backend API at api.clerk.com is authenticated with a Bearer secret key and
  has an OpenAPI specification. Frontend SDKs cover Next.js, React, React
  Router, Expo, Astro, TanStack React Start, Chrome Extension, and vanilla
  JavaScript. Backend SDKs cover Node, Go, Python, Ruby, Java, PHP, and C#.
  Webhooks are delivered via Svix.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Authentication
  - User Management
  - Identity
  - Passkeys
  - MFA
  - B2B
  - Organizations
  - Billing
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis:
  - aid: clerk:backend-api
    name: Clerk Backend API
    description: >-
      Server-to-server REST API for managing users, sessions, organizations,
      organization memberships, organization invitations, JWT templates, sign-in
      tokens, OAuth applications, SAML connections, allowlist / blocklist
      identifiers, actor tokens, webhooks, and instance settings. Authenticated
      with a Bearer secret key (sk_test_... or sk_live_...). Versioned under
      /v1.
    humanURL: https://clerk.com/docs/reference/backend-api
    baseURL: https://api.clerk.com
    tags:
      - Backend
      - REST
      - Users
      - Sessions
      - Organizations
    properties:
      - type: Documentation
        url: https://clerk.com/docs/reference/backend-api
      - type: OpenAPI
        url: https://github.com/clerk/openapi-specs
  - aid: clerk:frontend-api
    name: Clerk Frontend API
    description: >-
      Browser-facing API consumed by Clerk's frontend SDKs and ClerkJS for
      sign-up, sign-in, session refresh, and user profile mutations. Endpoint
      is instance-specific (subdomain on clerk.accounts.dev or a customer
      vanity domain). Authenticated with the publishable key and short-lived
      client tokens.
    humanURL: https://clerk.com/docs/reference/frontend-api
    baseURL: https://clerk.accounts.dev
    tags:
      - Frontend
      - REST
      - Sessions
    properties:
      - type: Documentation
        url: https://clerk.com/docs/reference/frontend-api
  - aid: clerk:webhooks
    name: Clerk Webhooks (Svix)
    description: >-
      Webhook events delivered via Svix for user, session, organization, email,
      SMS, and role lifecycle changes. Customers configure endpoints in the
      dashboard and verify signatures with the Svix libraries.
    humanURL: https://clerk.com/docs/integrations/webhooks/overview
    baseURL: customer-configured
    tags:
      - Webhooks
      - Events
      - Svix
    properties:
      - type: Documentation
        url: https://clerk.com/docs/integrations/webhooks/overview
  - aid: clerk:javascript
    name: Clerk JavaScript SDK
    description: >-
      Official ClerkJS browser library and monorepo of framework adapters
      (Next.js, React, Expo, React Router, Astro, Chrome Extension, TanStack).
      Powers Clerk's prebuilt UI components and headless hooks.
    humanURL: https://github.com/clerk/javascript
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - JavaScript
      - Frontend
    properties:
      - type: Repository
        url: https://github.com/clerk/javascript
  - aid: clerk:sdk-nextjs
    name: Clerk Next.js SDK
    description: >-
      Next.js integration covering App Router and Pages Router, middleware,
      route handlers, server components, and server actions. Distributed from
      the @clerk/nextjs package inside the JavaScript monorepo.
    humanURL: https://clerk.com/docs/quickstarts/nextjs
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - Next.js
      - Frontend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/nextjs
  - aid: clerk:sdk-react
    name: Clerk React SDK
    description: >-
      React components, hooks, and providers from the @clerk/clerk-react
      package for plain React SPAs.
    humanURL: https://clerk.com/docs/quickstarts/react
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - React
      - Frontend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/react
  - aid: clerk:sdk-expo
    name: Clerk Expo SDK
    description: >-
      Expo / React Native bindings for Clerk supporting OAuth via deep links,
      secure session storage, and biometrics.
    humanURL: https://clerk.com/docs/quickstarts/expo
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - Expo
      - React Native
      - Mobile
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/expo
  - aid: clerk:sdk-react-router
    name: Clerk React Router SDK
    description: >-
      Adapter for React Router v7 (Remix successor) covering loaders, actions,
      and server-rendered authentication.
    humanURL: https://clerk.com/docs/quickstarts/react-router
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - React Router
      - Frontend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/react-router
  - aid: clerk:sdk-astro
    name: Clerk Astro SDK
    description: >-
      Adapter for the Astro framework with components and middleware.
    humanURL: https://clerk.com/docs/quickstarts/astro
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - Astro
      - Frontend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/astro
  - aid: clerk:sdk-tanstack-start
    name: Clerk TanStack Start SDK
    description: >-
      Adapter for TanStack Start (React full-stack framework) with route-level
      authentication helpers.
    humanURL: https://clerk.com/docs/quickstarts/tanstack-start
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - TanStack
      - Frontend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/quickstarts/tanstack-start
  - aid: clerk:sdk-node
    name: Clerk Node.js SDK
    description: >-
      Backend SDK for Node.js (@clerk/backend / @clerk/express / @clerk/fastify)
      that wraps the Backend API and verifies session JWTs.
    humanURL: https://clerk.com/docs/references/backend/overview
    baseURL: https://github.com/clerk/javascript
    tags:
      - SDK
      - Node.js
      - Backend
    properties:
      - type: Documentation
        url: https://clerk.com/docs/references/backend/overview
  - aid: clerk:sdk-go
    name: Clerk Go SDK
    description: >-
      Official Go SDK for the Clerk Backend API.
    humanURL: https://github.com/clerk/clerk-sdk-go
    baseURL: https://github.com/clerk/clerk-sdk-go
    tags:
      - SDK
      - Go
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-go
  - aid: clerk:sdk-python
    name: Clerk Python SDK
    description: >-
      Official Python SDK for the Clerk Backend API.
    humanURL: https://github.com/clerk/clerk-sdk-python
    baseURL: https://github.com/clerk/clerk-sdk-python
    tags:
      - SDK
      - Python
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-python
  - aid: clerk:sdk-ruby
    name: Clerk Ruby SDK
    description: >-
      Official Ruby SDK for the Clerk Backend API, with a Rails integration.
    humanURL: https://github.com/clerk/clerk-sdk-ruby
    baseURL: https://github.com/clerk/clerk-sdk-ruby
    tags:
      - SDK
      - Ruby
      - Rails
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-ruby
  - aid: clerk:sdk-java
    name: Clerk Java SDK
    description: >-
      Official Java SDK for the Clerk Backend API.
    humanURL: https://github.com/clerk/clerk-sdk-java
    baseURL: https://github.com/clerk/clerk-sdk-java
    tags:
      - SDK
      - Java
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-java
  - aid: clerk:sdk-php
    name: Clerk PHP SDK
    description: >-
      Official PHP SDK for the Clerk Backend API.
    humanURL: https://github.com/clerk/clerk-sdk-php
    baseURL: https://github.com/clerk/clerk-sdk-php
    tags:
      - SDK
      - PHP
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-php
  - aid: clerk:sdk-csharp
    name: Clerk C# / .NET SDK
    description: >-
      Official C# / .NET SDK for the Clerk Backend API.
    humanURL: https://github.com/clerk/clerk-sdk-csharp
    baseURL: https://github.com/clerk/clerk-sdk-csharp
    tags:
      - SDK
      - .NET
      - C#
      - Backend
    properties:
      - type: Repository
        url: https://github.com/clerk/clerk-sdk-csharp
  - aid: clerk:openapi-specs
    name: Clerk OpenAPI Specifications
    description: >-
      Public repository of OpenAPI specifications for Clerk's APIs, used as
      the source for generated SDKs and documentation.
    humanURL: https://github.com/clerk/openapi-specs
    baseURL: https://github.com/clerk/openapi-specs
    tags:
      - OpenAPI
      - Specifications
    properties:
      - type: Repository
        url: https://github.com/clerk/openapi-specs
common:
  - type: Website
    url: https://clerk.com/
  - type: Documentation
    url: https://clerk.com/docs
  - type: GitHub
    url: https://github.com/clerk
  - type: Pricing
    url: https://clerk.com/pricing
  - type: Changelog
    url: https://clerk.com/changelog
  - type: Blog
    url: https://clerk.com/blog
  - type: Status
    url: https://status.clerk.com/
  - type: LinkedIn
    url: https://www.linkedin.com/company/clerk-dev/
  - type: LLMsTxt
    url: https://clerk.com/llms.txt
integrations:
  - name: Next.js
  - name: React
  - name: Expo
  - name: Astro
  - name: TanStack
  - name: Supabase
  - name: Convex
  - name: Vercel
  - name: Svix
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com