# Errors and limits

| Code | Meaning | What to do |
|---|---|---|
| 400 | A field is wrong or unknown (the message names it) | Fix the request |
| 401 | Missing or invalid key / token | Check the credential |
| 402 | Out of credits for this period | Add credits. Deletes, exports and single reads still work |
| 403 | The key has no scope for this, or the token may not use this space | Use a key with that scope |
| 404 | Not found. A record you may not see answers exactly like one that does not exist | — |
| 409 | An `Idempotency-Key` conflict | See section 6 |
| 413 | The body is over 2 MB | Split it or use `/v1/imports` |
| 429 | Too many requests for this key or account | Wait `Retry-After` seconds (`RateLimit-*` headers tell you the limit) |
| 503 | The server is busy right now | Wait `Retry-After` seconds and retry. A 503 is never charged |
| 500 | Our fault: no internals are shown | Report the `request_id` |

A context that would take longer than 2 s comes back with `"degraded": true` and what was found in time. Degraded answers are free (up to 20 a minute per account).