API Keys
API keys are created in the Control Plane under Settings → API Keys.Authentication Header
Include your API key in theAuthorization header:
Example Request
API Key Types
SDK Keys
Used by SDKs to send metering events:- Format:
sk_live_...orsk_test_... - Permissions: Send actions, send outcomes, read usage
API Keys
Used for direct API access:- Format:
sk_api_... - Permissions: Configurable (read-only, read-write, admin)
Base URL
All API requests go to:Rate Limiting
API requests are rate-limited:- SDK Keys: 10,000 requests per minute
- API Keys: 1,000 requests per minute
X-RateLimit-Limit: Request limitX-RateLimit-Remaining: Remaining requestsX-RateLimit-Reset: When limit resets
Error Responses
Invalid authentication returns401 Unauthorized: