AI Fix Hub Library
Category: Coding with AI
Guides for building, learning and debugging faster with AI coding agents like Claude Code, Cursor and GitHub Copilot.
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Gemini API Key Not Working: Authentication Fixes
Gemini API key not working? Check key restrictions, environment variables, project access, billing and request authentication safely.
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Gemini API 400 Bad Request: Causes and Fixes
Gemini API returning 400 Bad Request? Check request JSON, model names, parameters, file inputs and SDK compatibility using official guidance.
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Claude Messages API Error: A Practical Fix Guide
Claude Messages API error? Validate headers, message structure, model access, request size and error responses with a focused debugging workflow.
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Claude Haiku API Error: Common Causes and Fixes
Claude Haiku API errors can involve authentication, model access, malformed requests or rate limits. Use these checks to isolate the cause.
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Claude API Timeout Error: Causes and Fixes
Claude API timing out? Check request size, network timeouts, streaming behavior, overload responses and retry logic with practical diagnostics.
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Claude API Rate Limit: Practical Fixes and Checks
Claude API rate limit errors? Review response headers, usage tiers, request pacing and retry behavior before increasing concurrency.
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Claude API Error 529: How to Handle Overload
Claude API error 529 usually indicates temporary overload. Learn how to confirm service status, retry safely and avoid creating a retry storm.
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ChatGPT API Key Not Working: Authentication Checks
OpenAI API key not working? Check the authorization header, environment variables, project access, key rotation and account status safely.