Authorization and access

401 – Authorization field missing – no valid Api-key in request header
400 – Missig authorization header – Authorization containing valid access token is not included in the request
401 – Access token does not exist – Token included in Authorization header is not valid, incorrect or expired

URL

404 – Page not found – Item with selected id has not been found
403 – This API version does not seem to exists – Requested URL does not contain version parameter or it is invalid. Currently only v1 exists
503 – All hosts are down – API endpoint is incorrect

Validation

422 – Unprocessable entity – some validation rules have not been met, please refer to specification of corresponding item