API reference
Errors and limits
What each error means and how to handle it.
| Status | Type | What to do |
|---|---|---|
| 400 | invalid_request_error | Fix the request. messages is required. |
| 401 | invalid_api_key | Check the key, or create a new one. |
| 429 | rate_limit | Too fast, or the daily limit is reached. Wait for the seconds in Retry-After. |
| 502 | server_error | Try again in a moment. |
| 503 | server_error | EON is busy or offline. Try again soon. |
EON is free, so API requests are paced: one request every few seconds per account, and a daily limit that resets at midnight UTC. Your requests for today show in Developer mode. Retry with backoff and respect Retry-After.
{ "error": { "message": "Too many requests. Try again in 20 seconds.", "type": "rate_limit", "code": "rate_limit" } }