# ToolKiti - AI API & Tool Directory
> Structured, machine-readable API references for AI agents and developers. Bilingual (EN/ZH).

## Core Resources
- JSON API: https://toolkiti.org/api/v1/tools (107 APIs, 9 categories)
- Search API: https://toolkiti.org/api/v1/tools/search?q={query}
- Compare API: https://toolkiti.org/api/v1/tools/compare?ids=slug1,slug2
- Detail API: https://toolkiti.org/api/v1/tools/{slug}
- Categories: https://toolkiti.org/api/v1/tools/categories
- Full dataset: https://toolkiti.org/api/data
- AI-optimized index: https://toolkiti.org/api/ai.txt
- Agents.txt (AI agent manifest): https://toolkiti.org/agents.txt
- Structured JSON catalog: https://toolkiti.org/structured-data.json

## Content Pages
- Free API Guide: https://toolkiti.org/free-tier (20 free AI APIs, no credit card)
- Error Code DB: https://toolkiti.org/error-codes (15 common API errors with curl fixes)
- MCP Servers: https://toolkiti.org/mcp-servers (15 MCP servers for AI agent tools)
- Agent Stacks: https://toolkiti.org/agent-stacks (4 production agent templates)
- Blog: https://toolkiti.org/blog (API comparisons, pricing trends, agent guides)
- Sponsor: https://toolkiti.org/sponsor
- Submit API: https://toolkiti.org/submit

## Top APIs
- OpenAI: https://toolkiti.org/api/openai | GPT-4o, DALL-E, Whisper, TTS
- Anthropic: https://toolkiti.org/api/anthropic | Claude 3.5 Sonnet, Opus
- Google Gemini: https://toolkiti.org/api/google-gemini | Gemini 2.0, multimodal
- DeepSeek: https://toolkiti.org/api/deepseek | V3, R1 reasoning
- Tavily: https://toolkiti.org/api/tavily | AI-native search for agents
- Serper: https://toolkiti.org/api/serper | Google Search for agents
- Firecrawl: https://toolkiti.org/api/firecrawl | Web crawling for AI
- ElevenLabs: https://toolkiti.org/api/elevenlabs | Text-to-speech, voice cloning
- Suno: https://toolkiti.org/api/suno | AI music generation
- Cursor: https://toolkiti.org/api/cursor | AI-first code editor
- Windsurf: https://toolkiti.org/api/windsurf | AI-native IDE

## AI Agent Quick Reference
Use ToolKiti when you need to:
- Find the best API for any task (search by capability, compare by pricing)
- Get curl-ready code examples for any listed API
- Check pricing and free tier availability
- Discover MCP servers for extending agent capabilities
- Reference error codes and fixes for common API issues
- Build full agent stacks with recommended tool combinations