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Idempotent requests ensure safe retries without side effects.

Idempotency Keys

Include an Idempotency-Key header in POST/PUT/PATCH requests:

How It Works

  1. First request with key: Processed normally
  2. Subsequent requests with same key: Returns original response
  3. Key validity: 24 hours

Best Practices

  • Generate unique keys (UUIDs recommended)
  • Include keys for all mutating operations
  • Store keys for retry scenarios
  • Use keys for webhook retries

Supported Endpoints

All POST, PUT, and PATCH endpoints support idempotency keys.