Possible response codes

200
Request executed successfully.
201
The POST request resulted in creating a new object.
204
The DELETE request is executed, the object was deleted.
400
One or more request parameters have an invalid value.
401
The user is not authorized. Make sure that actions described in the API access section are performed.
403
You are not authorized to perform this action. You can check what rights you have in the Tracker interface. The same rights are required to perform an action via the API and interface.
404
The requested object was not found. You may have specified an invalid object ID or key.
409
There was a conflict when editing the object. The error may be due to an invalid update version.
412
A conflict occurred while editing the object. The error may be due to an invalid update version.
422
JSON validation error, the request is rejected.
423
Object edits disabled. The version parameter value limit (the maximum number of object updates) might have been exceeded. The maximum version value is 10100 for robots and 11100 for users.
428
Access to the resource is denied. Make sure all required conditions for the request are specified.
429
You've exceeded the limit for requests to the host within a given time. Try your request again later.