API Key Authentication
All API requests (except/health) require an API key passed via the X-API-Key header:
Getting an API Key
Option 1: Sign up via API
Option 2: Dashboard
Sign up at arbiterapi.com/signup to get your key from the dashboard.Managing Keys
You can create multiple API keys per account and revoke them individually:WebSocket Authentication
For WebSocket connections, pass your API key as a query parameter:Rate Limits
Rate limit headers are included in every response: