Synq Docs
Errors

Hostname not allowed here

The `hostname_not_allowed_here` error: HTTP 422 Unprocessable Content.

This environment takes custom domains only under its test zone.

FieldValue
codehostname_not_allowed_here
status422 Unprocessable Content
titleHostname not allowed here

Synq's APIs answer errors with a problem document (RFC 9457, application/problem+json). Its type is the address of this page, and its code is hostname_not_allowed_here. Branch on code, never on title or detail: a code never changes once it ships, while the words may.

{
  "type": "…/errors/hostname_not_allowed_here",
  "title": "Hostname not allowed here",
  "status": 422,
  "code": "hostname_not_allowed_here"
}

See every error code.