2xx Success

HTTP 226 IM Used

The server has fulfilled a GET request for the resource using Instance Manipulations.

When is 226 used?

  • Delta encoding with Instance Manipulations

How to handle a 226 response

No error handling is needed. Check that the response body and headers match what your client expects — for example, a 204 response has no body.

Check the status code a URL returns from the command line:

curl -s -o /dev/null -w "%{http_code}\n" https://example.com

How to return 226 from your server

Node.js (Express)

res.status(226).json({ message: 'IM Used' });

Python (Flask)

return {"message": "IM Used"}, 226

Go (net/http)

w.WriteHeader(226)

Frequently Asked Questions

What does HTTP 226 mean?

226 IM Used: The server has fulfilled a GET request for the resource using Instance Manipulations.

Is 226 an error?

No. 226 is in the 2xx Success class. Success: the request was received, understood, and accepted.