All HTTP status codes

HTTP 226 IM Used

Success

The response is the result of applying instance manipulations (such as a delta encoding) to the current resource. Rare in practice.

Defined in RFC 3229

Common causes

  • Delta-encoding-aware servers responding to A-IM requests

How to fix it

  1. Treat as success; apply the delta per the negotiated instance manipulation

Related status codes

200 OK

The request succeeded. The response body contains the result — a page for GET, the operation outcome for POST.

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