CREDENTIAL_EXPIRED

Reason

The password, that you used to authenticate, has expired

Solution

Make a Change password request with auth_token in its X-Token HTTP header, as described here

Example

{
    "status": 403,
    "errors": [
        {
            "code": "CREDENTIAL_EXPIRED",
            "message": "The credential (e.g. password) is valid but has expired",
            "more_info": "https://developer.kayako.com/api/v1/reference/errors/CREDENTIAL_EXPIRED"
        }
    ],
    "auth_token": "eGDPtbMcQCXBLwef58Kz4HBCuaRPyq5QCMqFLD1iUUIGxUq48bADFUv2gRdxRJXhmduY0t37BAXeaaT1"
}