published

Clerk Authentication

The Clerk Authentication API offers developers a secure and flexible solution for user authentication, featuring various methods such as passwordless logins and multi-factor authentication.

Developed by Clerk Inc.

Live API
99.90%Uptime
150msLatency
2kStars
API KeyAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

Reference for available routes, request structures, and live examples.

Creates a new authentication user

Full Endpoint URL
https://api.clerk.com/users
Implementation Example
curl -X POST 'https://api.clerk.com/users' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "password": "Str0ngP@ss!",
  "last_name": "Doe",
  "first_name": "John",
  "email_address": [
    "user@example.com"
  ]
}
Expected Response
{
  "id": "user_abc123",
  "created_at": 1689782400,
  "email_addresses": [
    {
      "email_address": "user@example.com"
    }
  ]
}
Version:v1
Limit:100 requests/minute
Real-World Applications
  • Integrating user authentication in single-page applicationsOptimized Capability
  • Setting up secure logins for mobile applicationsOptimized Capability
  • Utilizing advanced identity management for enterprise solutionsOptimized Capability
  • Implementing passwordless authentication in customer-facing platformsOptimized Capability
Advantages
  • ✓ Comprehensive authentication features including MFA and passwordless login
  • ✓ Easy integration with official SDKs and RESTful API endpoints
  • ✓ Supports customizable email templates and social login providers
  • ✓ High uptime with scalable infrastructure
Limitations
  • ✗ Limited public documentation on rate limiting and quotas
  • ✗ No built-in AI-powered features or adaptive security analytics
  • ✗ Pricing might be high for startups with large user bases
  • ✗ Requires API key management and secure storage practices

FAQs

API Specifications

v1
Pricing Model
Tiered subscription based on active users and features
Credit Card
Not Required
Response Formats
JSON
Supported Languages
7 Languages
SDK Support
JavaScript, TypeScript, Python, Ruby, PHP
Time to Hello World

Minutes to a few hours depending on integration complexity

Rate Limit

1000 requests per minute

Free Tier Usage

Free for up to 1000 active users per month with basic features included. Perfect for small projects and initial development.

Use Case: Best For

Developers building secure applications needing scalable user authentication and identity management solutions.

Not Recommended For

Projects requiring AI-powered security features or offline authentication capabilities.

Resources

Documentation Official Website Pricing Details Postman Collection
#authentication#users

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