All AI API Errors — Searchable Database of 1702+ Errors | AI Error Hub
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All AI API Errors — 1702+ Documented

Every documented AI API error across 32 providers, organized by category and by provider. Each page has TL;DR, three tested fixes, prevention checklist, and FAQ — written by working engineers.

Browse by category
6 category hubs
Errors grouped by symptom: rate limits, authentication, context window, timeouts, content filter, streaming. Great for narrowing down when you know the failure mode.
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Browse by provider
32 provider hubs
Errors grouped by the API that returned them. Every provider has a hub page listing all its documented errors. Best when you know which provider is failing.
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Popular Errors This Week
Most-visited error pages across all providers. These are the ones engineers hit most often — start here if you're new to the site.
CRITICAL Claude API 401 Invalid API Key Anthropic Claude → CRITICAL OpenAI 401 Invalid Authentication OpenAI → WARNING OpenAI GPT-5.6 Context Length Exceeded OpenAI → WARNING Gemini 3.5 Pro Context Window 1M Exceeded Google Gemini → WARNING Claude 529 overloaded_error Anthropic Claude → WARNING OpenAI TPM Limit Exceeded OpenAI → CRITICAL Bedrock AccessDeniedException 403 Amazon Bedrock → CRITICAL Azure Front Door 60s Timeout Azure OpenAI → WARNING Claude Input Tokens Exceeds Context Window Anthropic Claude → WARNING OpenAI finish_reason: content_filter Blocked OpenAI → WARNING Gemini finishReason: SAFETY Block Google Gemini → INFO Cursor Pro Plan Usage Cap Exceeded Cursor → WARNING GitHub Copilot PAT Expired GitHub Copilot → CRITICAL Bedrock InvokeModelWithResponseStream Hangs Amazon Bedrock → WARNING Claude Streaming Tool Use JSON Delta Anthropic Claude → WARNING OpenAI Streaming tool_call Partial JSON OpenAI → WARNING Gemini Quota Exceeded Per Region Google Gemini → WARNING Azure OpenAI Prompt Shield Jailbreak Detection Azure OpenAI → WARNING Bedrock Guardrail PII Detection Blocked Amazon Bedrock → INFO Claude Copyrighted Content Refusal Anthropic Claude →