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Revadike edited this page Oct 9, 2026 · 1 revision

POST /api/begincheckout

Rate limits

No known rate limit

Request

Authenticated: Yes

Method: POST

Host: store.steampowered.com

Path: /api/begincheckout

Form Data:

Name Type Required Description
sessionid string Yes The value of the sessionid cookie
gidshoppingcart string No The 64-bit ID of the shopping cart to check out

Response

200 OK

Name Type Description
success boolean Whether the request was successful

403 Forbidden

Name Type Description
success boolean Always false
error string The error message (e.g. "access denied")

Example

POST https://store.steampowered.com/api/begincheckout { sessionid: "a0b1c2d3e4f5g6h7i8j9klmn" }
{
    "success": false,
    "error": "access denied"
}

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