| 500 | Internal Error | An unexpected error occured |
| 503 | Service Unavailable | The service is currently not available. This can be the case for maintenance : for example if we detect a critical bug in a route, we might disable it temporary. |
| 400 | Bad Request | Your request is not properly formatted |
| 401 | Unauthorized | You don't have access to this resource. This can happen if you did not provide a token, your token has expired, or you don't have the required access level for this resource. |
| 403 | Forbidden | You don't have the required access rights for this resource |
| 404 | Not Found | You requested a resource that does not exists or cannot be found |
| 409 | Conflict | There is a conflict and you request can't be processed. For example, this can happen if you try to rename a sequence with a name which is already taken by another sequence. |
| 422 | Unprocessable Entity | This errors occurs when the request cannot be processed even tough its format is valid (contrary to Bad Request) |
| 424 | Failed Dependency | When updating a resource requires access to another resource, and this second resource has an error. |
