Why Gemini API Throws 'Unsupported MIME type' and How to Fix It
The 'Unsupported MIME type' error from the Gemini API has three distinct causes: a misspelled MIME string, an octet-stream upload, and a genuinely unsupported format. Here is how to tell them apart with code that actually works.
Why Gemini 2.5 Pro Rejects thinkingBudget: 0 (and How to Fix It)
Setting thinkingBudget to 0 on Gemini 2.5 Pro returns a 400 INVALID_ARGUMENT error. Here is why the per-model thinking budget ranges differ, how to minimize thinking on Pro the right way, and when to switch to Flash, with Python and JavaScript examples.
What to Do When Gemini Shows 'This Model Is Overloaded Right Now'
Seeing the 'This model is overloaded' message in Gemini? Learn why it happens, what you can do right now, and how to handle it gracefully in API applications with retry logic.
Gemini API Returns Markdown — How to Get Plain Text Responses
Gemini API responses often contain Markdown symbols like **, ##, and -. Learn how to get clean plain text using response_mime_type, System Instructions, and post-processing with practical Python and TypeScript code examples.
Veo API Not Working? Common Errors and How to Fix Them
Troubleshoot common Veo API errors including polling implementation mistakes, safety filter rejections, quota exceeded, and video file download failures. With working Python code examples.
How to Fix Gemini API JSON and Structured Output Errors
Troubleshoot Gemini API JSON Mode and Structured Output errors including malformed JSON, schema violations, and truncated responses with step-by-step solutions and code examples.
Vertex AI + Gemini Authentication Error Fix: Service Account & ADC Troubleshooting Guide
Struggling with Vertex AI Gemini authentication errors? This guide covers the most common causes—service account misconfiguration and ADC setup issues—with step-by-step solutions to get you unblocked fast.
Gemini API 503 Service Unavailable Error: Causes, Fix, and Retry Implementation
Learn why Gemini API returns 503 Service Unavailable errors and how to fix them with exponential backoff retry logic. Includes ready-to-use Python and JavaScript code examples.
Gemini API SDK Version Mismatch & Install Errors: How to Fix Them
A step-by-step troubleshooting guide for Gemini API SDK install failures and version mismatch errors in Python and Node.js projects.
Gemini Function Calling Isn't Firing: Five Causes
Fix Gemini API Function Calling issues fast. This guide covers the most common causes — bad schemas, wrong model, parse errors, and tool selection problems — with step-by-step solutions and working code examples.