Synq Docs
Errors

Issuer slug immutable

The `issuer_slug_immutable` error: HTTP 422 Unprocessable Content.

A brand's issuer slug never changes: every token and app names its issuer.

FieldValue
codeissuer_slug_immutable
status422 Unprocessable Content
titleIssuer slug immutable

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 issuer_slug_immutable. Branch on code, never on title or detail: a code never changes once it ships, while the words may.

{
  "type": "…/errors/issuer_slug_immutable",
  "title": "Issuer slug immutable",
  "status": 422,
  "code": "issuer_slug_immutable"
}

See every error code.