As much as possible, Foursquare attempts to use appropriate HTTP status codes to indicate the general class of problem, and this status code is repeated in the code section of the meta response.
|Bad Request||400||Any case where a parameter is invalid, or a required parameter is missing. This includes the case where no OAuth token is provided and the case where a resource ID is specified incorrectly in a path.|
|Unauthorized||401||The OAuth token was provided but was invalid.|
|Forbidden||403||The requested information cannot be viewed by the acting user, for example, because they are not friends with the user whose data they are trying to read. It could also indicate privileges or access has been revoked.|
|Not Found||404||Endpoint does not exist.|
|Method Not Allowed||405||Attempting to use POST with a GET-only endpoint, or vice-versa.|
|Conflict||409||The request could not be completed as it is. Use the information included in the response to modify the request and retry.|
|Internal Server Error||500||Foursquare’s servers are unhappy. There is either a bug on our side or there is an outage. The request is probably valid but needs to be retried later.|
Additional details are provided in the
errorType field of the response. It should be one of the following.
|invalid_auth||401||OAuth token was not provided or was invalid.|
|param_error||400||A required parameter was missing or a parameter was malformed. This is also used if the resource ID in the path is incorrect.|
|endpoint_error||404||The requested path does not exist.|
|not_authorized||403||Although authentication succeeded, the acting user is not allowed to see this information due to privacy restrictions.|
|rate_limit_exceeded||403||Rate limit for this hour exceeded.|
|quota_exceeded||429||Daily call quota exceeded.|
|deprecated||200||Something about this request is using deprecated functionality, or the response format may be about to change.|
|server_error||Varies||Server is currently experiencing issues.|
Errors will usually include an
errorDetail field with additional information about what went wrong, intended for the developer. In some cases, the server may include an
errorMessage, which is a localized string intended for the client to display back to the user directly.
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