| 200 |
Accepted |
Done. Status received or spam in the response body. |
| 302 |
Redirect |
If the form has redirect_url, we 302 there. |
| 400 |
Bad request |
Malformed JSON, missing required fields. |
| 403 |
Origin not allowed |
The submission's Origin doesn't match the form's allowed_origins. |
| 410 |
Form archived |
The form was archived. Restore it or use a different one. |
| 422 |
Captcha / validation failed |
hCaptcha/reCAPTCHA token missing or invalid; or schema validation failed (hosted forms). |
| 429 |
Rate limited |
Per-IP/per-form rate limit hit. Back off; the response includes Retry-After. |
| 500 |
Server error |
Open a support ticket - include the request id. |