## Error Handling

Errors are returned as JSON responses and typically use HTTP status code **403** or **406**, depending on the failure type.

Each error includes a numeric error code that should be handled explicitly by the integrating system.

Documentation:
[Error Handling](https://developers.klicktipp.com/guides/error-handling)

This specification is designed to support **simple, secure, and predictable** list-building integrations with KlickTipp.