What it means
POST /v1/accounts while the account may not create child accounts.
How to handle it
Have the parent grant child-account creation authority before retrying POST /v1/accounts.
Wire contract
| Code | child_accounts_not_permitted |
|---|---|
| Class | permission |
| HTTP status | 403 |
| Meta keys | None |
| Raised | Yes |
The response uses the standard {"error": {…}} envelope. Branch on error.code, not the human-readable message. Preserve request_id when reporting a failure.