Base URL
Authentication
All API requests require an x-api-key header:
Sandbox: Use sandbox-with-json-responses for testing without consuming credits.
Access Tokens
For frontend/SDK use, generate short-lived tokens from your backend:
Access tokens (at_ prefix) can replace API keys on all /v4/* endpoints.
Endpoints
Parsing
Data Retrieval
Email Import
Account
All parsing endpoints return a unified JSON structure:
Error Handling
Request ID
Every response includes X-Request-ID:
Include this when contacting support.