What this error usually means
Google returning 404/405 / Base URL mismatch should not be judged from the message alone. Cross-check key shape, Base URL, balance, model permission, region/IP, and visible model list.
- Provider: Google
- Error type: Base URL mismatch
- Status code: 404/405
Next action
Base URL mismatch should not only show failed. The console should return the next move: refill balance, change Base URL, switch model, add permission, change egress IP, hold listing, or monitor.
- Read-only check. Detection data burns after 5 minutes.
- global provider route
- Gemini 2.0 Flash · Gemini 2.0 Flash Lite · Gemini 2.5 Flash