400 | The request is malformed or contains unsupported fields | Correct the request before retrying |
401 | The API key is missing or invalid | Check the bearer header or replace the key |
403 | The key lacks the required permission | Use a key with the required permission |
404 | The resource does not exist in the key’s organization | Check the resource ID |
422 | A product rule or plan limit blocked the request | Resolve the condition before retrying |
429 | The API key exceeded its rate limit | Wait for Retry-After, then retry |
500 | LocalAds could not complete the request | Retry with backoff and contact support if it persists |