gemini-cli - 💡(How to fix) Fix API Error: Request contains an invalid argument. [2 comments, 3 participants]

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google-gemini/gemini-cli#25968Fetched 2026-04-26 05:24:29
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Error Message

[API Error: [{ "error": { "code": 400, "message": "Request contains an invalid argument.", "errors": [ { "message": "Request contains an invalid argument.", "domain": "global", "reason": "badRequest" } ], "status": "INVALID_ARGUMENT" } } ]]

Code Example

[API Error: [{
    "error": {
      "code": 400,
      "message": "Request contains an invalid argument.",
      "errors": [
        {
          "message": "Request contains an invalid argument.",
          "domain": "global",
          "reason": "badRequest"
        }
      ],
      "status": "INVALID_ARGUMENT"
    }
  }
  ]]
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What happened?

bug-report-history-1777117457838.json

What did you expect to happen?

[API Error: [{
    "error": {
      "code": 400,
      "message": "Request contains an invalid argument.",
      "errors": [
        {
          "message": "Request contains an invalid argument.",
          "domain": "global",
          "reason": "badRequest"
        }
      ],
      "status": "INVALID_ARGUMENT"
    }
  }
  ]]

Client information

  • CLI Version: 0.39.1
  • Git Commit: 4d73f3413
  • Session ID: 537bb7b5-c04c-4bb4-b460-ce00e650f47f
  • Operating System: darwin v25.9.0
  • Sandbox Environment: no sandbox
  • Model Version: auto-gemini-3
  • Auth Type: oauth-personal
  • Memory Usage: 247.8 MB
  • Terminal Name: Unknown
  • Terminal Background: Unknown
  • Kitty Keyboard Protocol: Unsupported

Login information

No response

Anything else we need to know?

No response

extent analysis

TL;DR

The issue is likely due to an invalid argument in the request, and checking the request payload for correctness may resolve the issue.

Guidance

  • Verify the request payload to ensure it conforms to the expected format and contains valid arguments.
  • Check the API documentation to confirm the required and optional arguments for the request.
  • Inspect the bug-report-history-1777117457838.json file for any clues about the invalid argument.
  • Consider testing the request with a minimal payload to isolate the issue.

Notes

The provided information does not include the actual request payload, making it difficult to pinpoint the exact cause of the issue.

Recommendation

Apply workaround: Verify and correct the request payload to ensure it meets the API's requirements, as the error message suggests an invalid argument.

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