What it means
body is not a JSON object.
How to handle it
Send a valid JSON object as the request body; arrays, scalars, and malformed JSON are not accepted.
Wire contract
| Code | invalid_json |
|---|---|
| Class | invalid_request |
| HTTP status | 400 |
| 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.