API Authentication
How to authenticate API requests using API keys and OAuth tokens.
Authentication Methods
kalaiArangam supports two authentication methods:
API Key
Include your API key in the request header:
``
Authorization: Bearer YOUR_API_KEY
``
OAuth 2.0
For third-party integrations, use OAuth 2.0 flow:
1. Redirect user to authorization URL 2. Receive authorization code 3. Exchange code for access token 4. Use token in API requests
Rate Limits
- Free tier: 100 requests per minute
- Solo plan: 500 requests per minute
- Business plan: 2,000 requests per minute
- Complete plan: 10,000 requests per minute