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HTTP Status Codes

HTTP 226 IM Used

226 IM Used

The server completed the request and applied one or more instance manipulations to the representation.

226 IM Usedgeneral

Observed message

226 IM Used

Why it happens

  • The request completed successfully according to the semantics of this status code.
  • The server selected a more specific success response based on the method, resource state, or negotiation result.
  • An API, framework, or intermediary intentionally returned this success code to describe a more precise outcome.

How to fix it

  1. Confirm that the status code matches the behavior your client or integration expects.
  2. Review related headers such as Location, Content-Range, ETag, or DAV metadata where relevant.
  3. If the success code is unexpected, inspect application logic, API contract, and intermediary behavior.

Official reference

IANA: HTTP Status Code Registry

Related errors

100 ContinueHTTP 100 Continue101 Switching ProtocolsHTTP 101 Switching Protocols102 ProcessingHTTP 102 Processing103 Early HintsHTTP 103 Early Hints

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226 IM Used: what it means and how to fix it | Error Atlas