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Support for the DeepL API is split across a few channels.

Where to send your request

Before you open a support request

Include the following to help us get you the fastest possible answer:
  • The X-Trace-ID response header from a failing request. DeepL API responses include this header, and it identifies that exact request in DeepL’s logs
  • The HTTP status code and the JSON message from the response body
  • The endpoint you called
  • The email address your subscription is linked to
Never include an API key or sensitive content in your message. If a key has been exposed, deactivate it immediately.

Company details

DeepL API products are provided by DeepL SE. Full publisher information is available on the DeepL publisher page.