API Errors
Quota limits, 400s, 429s and other Gemini API failures.
Gemini API Quota Exceeded Error: Fix
What a 429 RESOURCE_EXHAUSTED actually means and the three ways to get past it.
Updated August 13, 2026
Gemini API 400 Invalid Argument Error Fix
The 400 INVALID_ARGUMENT response is almost always a malformed request body — here is how to find it.
Updated August 13, 2026