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Revadike edited this page Nov 5, 2026 · 1 revision

POST /gid/:groupid

Joins a public group.

Rate limits

No known rate limit

Request

Authenticated: Yes

Method: POST

Host: steamcommunity.com

Path: /gid/:groupid

Variables:

Name Type Description
:groupid number The 64-bit SteamID of the group

Form Data:

Name Type Required Description
sessionID string Yes The value of the sessionid cookie
action string Yes Always join

Response

302 Found

Redirects to https://steamcommunity.com/groups/:vanity_url with an empty body.

200 OK

Returns an HTML error page when the request is rejected, for example when the user is already a member of the group or when sessionID is missing.

Example

POST https://steamcommunity.com/gid/103582791461301431 { sessionID: "a0b1c2d3e4f5g6h7i8j9klmn", action: "join" }

TODO

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