API Documentation

Everything you need to integrate license validation into your application.

Getting Started

Create your account, get API keys, and validate your first license in under 5 minutes.

Learn about API key authentication and how to secure your integration.

Organize licenses and API keys into projects for different applications.

License Validation

The core validation endpoint with hardware fingerprinting and response format.

License Management

CRUD endpoints for creating, updating, and managing your licenses.

Receive real-time notifications when license events occur.

Best practices for making your license integration resistant to cracking and tampering.

Base URL

https://onyxauth.xyz/api/v1

Response Format

All API responses follow a consistent format:

Response formatjson

// Success
{
  "success": true,
  "data": { ... }
}

// Error
{
  "success": false,
  "error": {
    "code": "ERROR_CODE",
    "message": "Human-readable message"
  }
}

Rate Limits

License validation100 requests/hour per license key

Daily validations1,000/day (Free) · 1M/day (Developer)