# Errors

| Status | Meaning |
|--------|---------|
| 400 | Bad or missing params |
| 401 | Missing/invalid API key |
| 402 | Insufficient credits |
| 404 | Unknown route |
| 502/503/504 | Upstream or gateway failure |

Bodies are typically `{ "error": "..." }`. Credit failures may include `credits_required` and `credits_balance`.

HTML docs: https://trysocify.com/docs/errors