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Multiplayer session status codes

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This topic provides the status codes that are returned from Xbox services when a multiplayer session is requested.

Note

The 4xx status codes returning the session always return the entire session, even if the URI points to a session element.

Status code String Content-Type Body Description
200 OK application/json Session Successfully read (GET) or updated (PUT).
201 Created application/json Session Successfully created.
202 Accepted text/plain None The request was accepted but hasn't yet been completed.
204 No content On a GET for a session, the session doesn't exist. On a GET of a session element, the session exists but the element doesn't. On a PUT for a session, the session was deleted as a result of the PUT operation. On a PUT or DELETE for a session element, the session existed when the operation began, but neither the session nor the element exists.
304 Not modified On a GET with the If-None-Match header, the session hasn't changed.
400 Bad request text/plain Message The request is assumed to be invalid on first examination. It's missing a required field or the JSON file is malformed. The body includes additional details.
403 Forbidden text/plain Message The request might be valid in some contexts, but it's invalid for its context. Authorization has failed.
application/json Session The session can't be updated by the user, but it can be read.
404 Not found text/plain Message The session can't be accessed because the URI is invalid; the handle, service configuration identifier (SCID), or session template can't be found; a hopper can't be found; a session element can't be accessed because the session doesn't exit; or the element lookup is invalid for the session.
405 Method not allowed text/plain Message The request URI is plausible, but the verb is wrong. For example, the request is for a POST operation when a PUT operation is needed.
409 Conflict text/plain Message The session couldn't be updated because the request is incompatible with the session. For example, constants in the request conflict with constants in the session or session template, or members other than the caller have been added to or removed from a large session.
412 Precondition failed The If-Match header, or the If-None-Match header (for an operation other than a GET), couldn't be satisfied.
application/json Session The If-Match header couldn't be satisfied on a PUT or DELETE operation for an existing session. The current state of the session is returned along with the current ETag value.
429 Too many requests application/json Message The service call was throttled because of exceeding the Fine-Grained Rate Limiting (FGRL) restrictions. For more information, see Fine-Grained Rate Limiting.
503 Service unavailable text/plain None The service is overloaded, and the request should be retried later. This code includes a Retry-After header that the client should honor.