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Start with the usage logs. They are the fastest way to understand failed requests, quota problems, model permission issues, and unexpected costs.
1

Check usage logs

Confirm the request reached Moxus AI and review the error message.
2

Verify API key settings

Check whether the key is enabled, expired, quota-limited, IP-limited, or model-limited.
3

Confirm the model name

Copy the model name from the model catalog instead of typing it manually.
4

Test with cURL

Reproduce the issue with a minimal request to separate client issues from API issues.

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Useful details

  • Request time and request ID, if available.
  • Base URL, endpoint, and model name.
  • Error message or HTTP status code.
  • Whether the same key works in the Playground.