What changed
Reads of this field return undefined, and the failure surfaces wherever that value is used rather than at the call.
Affects PATCH /accounts/{account_id}/realtime/kit/apps/{app_id}.
Who is affected
Code that reads PATCH /accounts/{account_id}/realtime/kit/apps/{app_id} (data.cf_account_tag).
Before and after
| Where | Before | After |
|---|---|---|
| PATCH /accounts/{account_id}/realtime/kit/apps/{app_id} · data.cf_account_tag | present | absent |
Code that breaks
// response.data.cf_account_tag is now undefined const cf_account_tag = response.data.cf_account_tag;
Based on Cloudflare’s published API specification. How severity is decided.