Error Codes

Error Code	Description
`FAILED_VALIDATION`	Validation for this particular item failed
`FORBIDDEN`	You aren't allowed to do the current action
`INVALID_CREDENTIALS`	Username / password or access token is wrong
`INVALID_OTP`	Wrong OTP was provided
`INVALID_PAYLOAD`	Provided payload is invalid
`INVALID_QUERY`	The requested query parameters can't be used
`REQUESTS_EXCEEDED`	Hit rate limit. Too many requests
`ROUTE_NOT_FOUND`	Endpoint doesn't exist
`SERVICE_UNAVAILABLE`	Couldn't use external service

In order to prevent leaking what items exist, any action to a non-existing item will return a FORBIDDEN error.