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Revadike edited this page Nov 5, 2026 · 1 revision

POST /actions/SetLanguage/

Sets the language of the current session.

Rate limits

No known rate limit

Request

Authenticated: No

Method: POST

Host: steamcommunity.com

Path: /actions/SetLanguage/

Form Data:

Name Type Required Description
language string Yes The language to switch to
sessionid string No The value of the sessionid cookie

The request must carry a Referer (or Origin) header pointing at steamcommunity.com; without it the server responds 401 with the bare JSON body null.

Response

200 OK

The response body is the bare JSON value true.

400 Bad Request

The response body is the bare JSON body null, returned when language is missing or empty.

401 Unauthorized

The response body is the bare JSON body null, returned when the request has no steamcommunity.com Referer.

Example

POST https://steamcommunity.com/actions/SetLanguage/ { language: "english", sessionid: "a0b1c2d3e4f5g6h7i8j9klmn" }
true

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