# ToolKiti - Complete API Reference for AI Agents
> Generated: 2026-08-02 | Total: 61 APIs | Updated daily
> This file is optimized for LLM ingestion. Every API includes structured metadata for agent decision-making.

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## 大语言模型 (11 APIs)

### [HOT] OpenAI API (OpenAI 接口)
- Page: https://toolkiti.org/api/openai
- Website: https://openai.com
- Docs: https://platform.openai.com/docs
- Pricing: pay-as-you-go (per token)
- Status: online
- Popularity: 100/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api.openai.com/v1/chat/completions, https://api.openai.com/v1/embeddings, https://api.openai.com/v1/images/generations, https://api.openai.com/v1/audio/transcriptions
- SDKs: Python, Node.js, Go, Java, curl
- Rate Limit: 10000 req/min (varies by tier)
- Latency: <500ms (GPT-4o)
- Max Context: 128K (GPT-4o)
- Features:
  - GPT-4o, GPT-4, GPT-3.5 model family
  - Multimodal: vision, audio, text generation
  - Function calling & structured outputs
  - Embeddings API for semantic search
  - Fine-tuning for custom models
- Usage Tips:
  - Use gpt-4o for complex reasoning, gpt-4o-mini for simple tasks to save cost
  - Set max_tokens to control response length and cost
  - Use streaming for real-time chat experiences
  - Store API keys in environment variables, never in code
- Description: 通过 REST API 调用 GPT-4o、GPT-4、GPT-3.5、Embeddings、DALL-E、Whisper 和 TTS 模型。

### [POPULAR] Anthropic Claude API (Anthropic Claude 接口)
- Page: https://toolkiti.org/api/anthropic
- Website: https://anthropic.com
- Docs: https://docs.anthropic.com
- Pricing: pay-as-you-go (per token)
- Status: online
- Popularity: 87/100
- Auth: API Key (x-api-key header)
- Endpoints: https://api.anthropic.com/v1/messages, https://api.anthropic.com/v1/complete
- SDKs: Python, TypeScript, Go, Java, curl
- Rate Limit: 4000 req/min (Tier 4)
- Latency: <800ms (Claude 3.5 Sonnet)
- Max Context: 200K
- Features:
  - Claude 3.5 Sonnet, Haiku, Opus models
  - Extended thinking for complex reasoning
  - Computer use (beta) for GUI interaction
  - Vision & document analysis
  - Constitutional AI safety
- Usage Tips:
  - Claude excels at long-form writing and analysis with 200K context
  - Use the extended thinking mode for complex problem-solving
  - System prompts work best when they are specific and structured
- Description: 调用 Claude 3.5 Sonnet、Haiku 和 Opus 模型进行对话、分析和代码生成。

### [POPULAR] Google Gemini API (Google Gemini 接口)
- Page: https://toolkiti.org/api/google-gemini
- Website: https://ai.google.dev
- Docs: https://ai.google.dev/docs
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 85/100
- Auth: API Key
- Endpoints: https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent
- SDKs: Python, Node.js, Go, Swift, curl
- Rate Limit: 1500 req/min (paid tier)
- Latency: <600ms (Gemini 2.0 Flash)
- Max Context: 1M (Gemini 1.5 Pro)
- Features:
  - Gemini 2.0 Flash, Pro models
  - 1M+ token context window
  - Native multimodal: text, image, audio, video
  - Google Search grounding integration
  - Free tier available
- Description: 调用 Gemini 2.0 Flash、Pro 和 Ultra 模型，原生支持多模态和工具调用。

### [POPULAR] DeepSeek API (DeepSeek 接口)
- Page: https://toolkiti.org/api/deepseek
- Website: https://deepseek.com
- Docs: https://platform.deepseek.com/docs
- Pricing: pay-as-you-go (per token, very low cost)
- Status: online
- Popularity: 83/100
- Auth: API Key
- Endpoints: https://api.deepseek.com/v1/chat/completions
- SDKs: Python, curl
- Rate Limit: 500 req/min
- Latency: <1s
- Max Context: 128K
- Features:
  - DeepSeek-V3 general model
  - DeepSeek-R1 reasoning model
  - Extremely competitive pricing
  - OpenAI-compatible API format
  - 128K context window
- Description: 调用 DeepSeek-V3 和 DeepSeek-R1 推理模型，价格具有竞争力。

### Mistral AI API (Mistral AI 接口)
- Page: https://toolkiti.org/api/mistral
- Website: https://mistral.ai
- Docs: https://docs.mistral.ai
- Pricing: pay-as-you-go (per token)
- Status: online
- Popularity: 68/100
- Auth: API Key
- Endpoints: https://api.mistral.ai/v1/chat/completions, https://api.mistral.ai/v1/embeddings
- SDKs: Python, TypeScript, Go, curl
- Rate Limit: 500 req/min
- Latency: <500ms
- Max Context: 128K
- Features:
  - Mistral Large, Small, Codestral models
  - Efficient architecture for fast inference
  - Open-source model weights available
  - Function calling support
  - Multilingual performance
- Description: 调用 Mistral Large、Small 和 Codestral 模型，架构高效。

### Cohere API (Cohere 接口)
- Page: https://toolkiti.org/api/cohere
- Website: https://cohere.com
- Docs: https://docs.cohere.com
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 65/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api.cohere.com/v1/chat, https://api.cohere.com/v1/embed, https://api.cohere.com/v1/rerank
- SDKs: Python, TypeScript, Go, Java, curl
- Features:
  - Command-R for business RAG
  - Embed v3 for multilingual embeddings
  - Rerank for search relevance
  - Tool use & multi-step reasoning
  - Enterprise security & compliance
- Description: 调用 Command-R、Embed 和 Rerank 模型，用于企业 NLP 和搜索。

### Groq API (Groq 接口)
- Page: https://toolkiti.org/api/groq
- Website: https://groq.com
- Docs: https://console.groq.com/docs
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 72/100
- Auth: API Key
- Endpoints: https://api.groq.com/openai/v1/chat/completions
- SDKs: Python, curl, OpenAI-compatible SDKs
- Rate Limit: 30 req/min (free tier)
- Latency: <200ms (ultra-fast)
- Max Context: 128K
- Features:
  - LPU inference engine for blazing speed
  - Open-source models: Llama, Mixtral, Gemma
  - Free tier for experimentation
  - OpenAI-compatible API
  - Ideal for real-time applications
- Description: 基于 LPU 推理引擎的开源大模型极速推理接口。

### Together AI API (Together AI 接口)
- Page: https://toolkiti.org/api/together-ai
- Website: https://together.ai
- Docs: https://docs.together.ai
- Pricing: pay-as-you-go (per token)
- Status: online
- Popularity: 70/100
- Auth: API Key
- Endpoints: https://api.together.xyz/v1/chat/completions
- SDKs: Python, TypeScript, curl
- Features:
  - 100+ open-source models
  - Llama, Mixtral, DeepSeek, Qwen support
  - Inference & fine-tuning endpoints
  - GPU clusters for training
  - OpenAI-compatible API
- Description: 开源大模型推理云平台，提供 100+ 模型包括 Llama、Mixtral 和 DeepSeek。

### Perplexity API (Perplexity 接口)
- Page: https://toolkiti.org/api/perplexity
- Website: https://perplexity.ai
- Docs: https://docs.perplexity.ai
- Pricing: pay-as-you-go, subscription available
- Status: online
- Popularity: 58/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api.perplexity.ai/chat/completions
- SDKs: Python, curl, OpenAI-compatible SDKs
- Rate Limit: 200 req/min
- Latency: <2s
- Max Context: 128K
- Features:
  - Sonar search-grounded LLMs
  - Real-time web search with citations
  - Up-to-date information retrieval
  - OpenAI-compatible API format
  - Subscription plans for higher limits
- Description: 调用 Sonar 搜索增强模型，实时联网搜索并附带引用。

### Amazon Bedrock API (Amazon Bedrock 接口)
- Page: https://toolkiti.org/api/aws-bedrock
- Website: https://aws.amazon.com/bedrock
- Docs: https://docs.aws.amazon.com/bedrock
- Pricing: pay-as-you-go (per token, varies by model)
- Status: online
- Popularity: 74/100
- Auth: AWS IAM (Access Key + Secret)
- Endpoints: https://bedrock-runtime.us-east-1.amazonaws.com
- SDKs: Python (boto3), Node.js, Java, Go, AWS CLI
- Description: AWS 托管的基础模型服务，集成 Anthropic、Meta、Mistral、Stability AI 和 Amazon 模型。统一 API，企业级安全。

### xAI Grok API (xAI Grok 接口)
- Page: https://toolkiti.org/api/xai-grok
- Website: https://x.ai
- Docs: https://docs.x.ai
- Pricing: pay-as-you-go (per token)
- Status: online
- Popularity: 70/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api.x.ai/v1/chat/completions
- SDKs: Python, Node.js, curl
- Description: 调用 xAI 的 Grok-2 和 Grok-3 模型。实时知识、长上下文和图像理解能力。

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## 机器学习 (2 APIs)

### Replicate API (Replicate 接口)
- Page: https://toolkiti.org/api/replicate
- Website: https://replicate.com
- Docs: https://replicate.com/docs
- Pricing: pay-as-you-go (per prediction)
- Status: online
- Popularity: 73/100
- Auth: API Key
- Endpoints: https://api.replicate.com/v1/models, https://api.replicate.com/v1/predictions
- SDKs: Python, Node.js, curl
- Features:
  - Thousands of open-source ML models
  - Llama, Stable Diffusion, Whisper
  - Serverless API with autoscaling
  - Custom model deployment
  - Pay-per-prediction pricing
- Description: 云端运行开源机器学习模型，支持 Llama、Stable Diffusion、Whisper 等数千个模型。

### Hugging Face Inference API (Hugging Face 推理接口)
- Page: https://toolkiti.org/api/huggingface
- Website: https://huggingface.co
- Docs: https://huggingface.co/docs/api-inference
- Pricing: free tier, pay-as-you-go for accelerated inference
- Status: online
- Popularity: 50/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api-inference.huggingface.co/models/{model_id}
- SDKs: Python, JavaScript, curl
- Features:
  - 200,000+ models for inference
  - Transformers, diffusion, audio
  - Free inference API
  - Accelerated inference available
  - Community-driven model hub
- Description: 访问 20 万+ 模型进行推理，包括 Transformer、扩散模型和音频模型。

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## 图像生成 (5 APIs)

### Stability AI API (Stability AI 接口)
- Page: https://toolkiti.org/api/stability-ai
- Website: https://stability.ai
- Docs: https://platform.stability.ai/docs
- Pricing: pay-as-you-go (per image)
- Status: online
- Popularity: 60/100
- Auth: API Key
- Endpoints: https://api.stability.ai/v1/generation/stable-diffusion-v3/text-to-image
- SDKs: Python, TypeScript, curl
- Features:
  - Stable Diffusion 3 & SDXL models
  - Text-to-image & image-to-video
  - ControlNet for precise control
  - Upscaling & outpainting tools
  - Commercial usage allowed
- Description: 使用 Stable Diffusion 3、SDXL 和图像转视频模型生成图像。

### [POPULAR] Midjourney API (Midjourney 接口)
- Page: https://toolkiti.org/api/midjourney
- Website: https://www.midjourney.com
- Docs: https://docs.midjourney.com
- Pricing: subscription ($10-$60/mo), API via third-party
- Status: online
- Popularity: 75/100
- Auth: API Key, Discord Token
- Endpoints: /imagine, /describe, /blend
- SDKs: Python (unofficial), curl
- Features:
  - Industry-leading creative generation
  - Artistic & photorealistic output
  - Style consistency with references
  - Upscaling & variation tools
  - Active creative community
- Description: 业界领先的 AI 图像生成，通过 Discord 机器人 API 产生艺术级、照片级和创意视觉内容。

### Leonardo.AI API (Leonardo.AI 接口)
- Page: https://toolkiti.org/api/leonardo-ai
- Website: https://leonardo.ai
- Docs: https://docs.leonardo.ai
- Pricing: free tier (150 tokens/day), paid plans
- Status: online
- Popularity: 62/100
- Auth: API Key
- Endpoints: https://cloud.leonardo.ai/api/rest/v1/generations
- SDKs: Python, curl
- Features:
  - Fine-tuned generation models
  - Real-time canvas editing
  - Custom model training
  - API and web interface
  - Free daily tokens
- Description: AI 图像生成平台，提供微调模型、实时生成和模型训练 API。

### Ideogram API (Ideogram 接口)
- Page: https://toolkiti.org/api/ideogram
- Website: https://ideogram.ai
- Docs: https://api-docs.ideogram.ai
- Pricing: free tier, paid plans from $20/mo
- Status: online
- Popularity: 48/100
- Auth: API Key
- Endpoints: https://api.ideogram.ai/generate, https://api.ideogram.ai/upscale
- SDKs: Python, curl
- Features:
  - Superior text rendering in images
  - Accurate in-image typography
  - Style customization options
  - Upscaling API
  - Ideal for design & marketing
- Description: AI 图像生成，文字渲染能力业界领先，以准确的图中文字著称。

### RunwayML API (RunwayML 接口)
- Page: https://toolkiti.org/api/runway
- Website: https://runwayml.com
- Docs: https://docs.runwayml.com
- Pricing: free tier (credits), Standard $15/mo, Pro $35/mo, Unlimited $100/mo
- Status: online
- Popularity: 74/100
- Auth: API Key, OAuth
- Endpoints: https://api.runwayml.com/v1/generations, https://api.runwayml.com/v1/image-to-video
- SDKs: Python, JavaScript, curl
- Features:
  - Gen-3 and Gen-4 video generation models
  - Image-to-video and text-to-video
  - Video-to-video style transfer
  - Green screen and rotoscoping tools
  - API for programmatic generation
- Description: 使用 Gen-3 和 Gen-4 模型进行高级视频生成、图像转视频和文本转视频。

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## 音频 (3 APIs)

### ElevenLabs API (ElevenLabs 接口)
- Page: https://toolkiti.org/api/elevenlabs
- Website: https://elevenlabs.io
- Docs: https://elevenlabs.io/docs
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 65/100
- Auth: API Key
- Endpoints: https://api.elevenlabs.io/v1/text-to-speech, https://api.elevenlabs.io/v1/sound-generation
- SDKs: Python, Node.js, curl
- Features:
  - Ultra-realistic text-to-speech
  - Voice cloning from samples
  - Sound effects generation
  - 29+ languages supported
  - Expressive & emotional speech
- Description: 超逼真的文本转语音、语音克隆和音效生成。

### AssemblyAI API (AssemblyAI 接口)
- Page: https://toolkiti.org/api/assemblyai
- Website: https://assemblyai.com
- Docs: https://www.assemblyai.com/docs
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 50/100
- Auth: API Key
- Endpoints: https://api.assemblyai.com/v2/transcript, https://api.assemblyai.com/v2/stream
- SDKs: Python, JavaScript, Go, Ruby, curl
- Features:
  - High-accuracy speech-to-text
  - Speaker diarization
  - Sentiment analysis on transcripts
  - Content moderation
  - Real-time streaming support
- Description: 语音转文字、说话人分离、情感分析和内容审核。

### [POPULAR] Suno AI Music API (Suno AI 音乐接口)
- Page: https://toolkiti.org/api/suno
- Website: https://suno.com
- Docs: https://docs.suno.com
- Pricing: free tier (10 credits/day), Pro $10/mo, Premier $30/mo
- Status: online
- Popularity: 78/100
- Auth: API Key, OAuth
- Endpoints: https://api.suno.com/v1/generate, https://api.suno.com/v1/lyrics
- SDKs: Python, JavaScript, curl
- Features:
  - Text-to-music with vocals and instruments
  - Multiple genres: pop, rock, jazz, electronic
  - Custom lyrics or AI-generated lyrics
  - Song extension and remixing
  - API for programmatic music generation
- Description: 通过文本提示词生成原创歌曲和音乐，支持人声、乐器和多种风格。

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## 向量数据库 (3 APIs)

### [POPULAR] Pinecone Vector Database (Pinecone 向量数据库)
- Page: https://toolkiti.org/api/pinecone
- Website: https://pinecone.io
- Docs: https://docs.pinecone.io
- Pricing: free tier available, pay-as-you-go
- Status: online
- Popularity: 78/100
- Auth: API Key
- Endpoints: https://{index}.svc.{environment}.pinecone.io/vectors/upsert, https://{index}.svc.{environment}.pinecone.io/query
- SDKs: Python, Node.js, Go, Java, curl
- Features:
  - Managed vector database
  - Millisecond semantic search
  - RAG-optimized infrastructure
  - Serverless & pod-based indexes
  - Multi-cloud support
- Description: 托管向量数据库，用于语义搜索、RAG 和推荐系统，毫秒级延迟。

### Weaviate Vector Database (Weaviate 向量数据库)
- Page: https://toolkiti.org/api/weaviate
- Website: https://weaviate.io
- Docs: https://weaviate.io/developers/weaviate
- Pricing: free tier (cloud sandbox), pay-as-you-go, self-hosted
- Status: online
- Popularity: 64/100
- Auth: API Key
- Endpoints: https://{cluster}.weaviate.cloud/v1/objects, https://{cluster}.weaviate.cloud/v1/graphql
- SDKs: Python, TypeScript, Go, Java, .NET
- Features:
  - Open-source vector database
  - Built-in vectorization modules
  - Hybrid search (vector + keyword)
  - GraphQL API
  - Self-host or cloud
- Description: 开源向量数据库，内置向量化、混合搜索和 GraphQL 接口。

### Qdrant Vector Database (Qdrant 向量数据库)
- Page: https://toolkiti.org/api/qdrant
- Website: https://qdrant.tech
- Docs: https://qdrant.tech/documentation
- Pricing: free tier (cloud), pay-as-you-go, self-hosted (free)
- Status: online
- Popularity: 63/100
- Auth: API Key
- Endpoints: https://{cluster}.cloud.qdrant.io:6333/collections, https://{cluster}.cloud.qdrant.io:6333/collections/{name}/points/search
- SDKs: Python, TypeScript, Go, Rust, Java
- Features:
  - High-performance (Rust-based)
  - Rich filtering & payload support
  - Scalable distributed architecture
  - Self-hosted (free) & cloud tiers
  - gRPC & REST interfaces
- Description: Rust 编写的高性能向量检索引擎，用于语义搜索和推荐。

---

## GPU 云 (2 APIs)

### Modal GPU Cloud (Modal GPU 云)
- Page: https://toolkiti.org/api/modal
- Website: https://modal.com
- Docs: https://modal.com/docs
- Pricing: pay-as-you-go (per second), free tier available
- Status: online
- Popularity: 52/100
- Auth: API Key (Token)
- Endpoints: https://api.modal.com/v1/functions, https://api.modal.com/v1/volumes
- SDKs: Python SDK
- Features:
  - Serverless GPU compute
  - Pay-per-second pricing
  - Python SDK with local dev
  - Auto-scaling infrastructure
  - Volumes & secret management
- Description: 无服务器 GPU 计算平台，用于 AI 推理、批处理和模型部署。

### RunPod GPU Cloud (RunPod GPU 云)
- Page: https://toolkiti.org/api/runpod
- Website: https://runpod.io
- Docs: https://docs.runpod.io
- Pricing: pay-as-you-go (per hour/sec), cheap spot instances
- Status: online
- Popularity: 50/100
- Auth: API Key
- Endpoints: https://api.runpod.ai/v2/{endpoint_id}/runsync, https://api.runpod.ai/v1/pods
- SDKs: Python, curl
- Features:
  - GPU pods & serverless endpoints
  - Cheap spot instances
  - Auto-scaling for workloads
  - Pre-built templates available
  - Community serverless templates
- Description: GPU 云平台，提供无服务器端点、Pod 和自动扩缩容 AI 工作负载。

---

## 开发工具 (20 APIs)

### LangChain Framework (LangChain 框架)
- Page: https://toolkiti.org/api/langchain
- Website: https://langchain.com
- Docs: https://python.langchain.com/docs
- Pricing: open-source (free), LangSmith/LangGraph Cloud have paid tiers
- Status: online
- Popularity: 55/100
- Auth: API Key (for cloud services)
- Endpoints: N/A (Framework, not API)
- SDKs: Python, TypeScript/JavaScript, Java (LangChain4j)
- Features:
  - Chain composition framework
  - Agent & tool integration
  - RAG building blocks
  - LangSmith observability
  - Multi-provider support
- Description: 构建 LLM 应用的框架，支持链、Agent、RAG 和工具集成。

### [HOT] GitHub REST & GraphQL API (GitHub 接口)
- Page: https://toolkiti.org/api/github-api
- Website: https://github.com
- Docs: https://docs.github.com/en/rest
- Pricing: free (5000 req/hr for authenticated), unlimited for public repos
- Status: online
- Popularity: 92/100
- Auth: Personal Access Token, OAuth App, GitHub App
- Endpoints: https://api.github.com, https://api.github.com/graphql
- SDKs: Octokit (JS/TS), PyGithub, Go-Github, curl
- Rate Limit: 5000 req/hr (authenticated)
- Features:
  - Full GitHub platform API
  - REST & GraphQL interfaces
  - Repos, issues, PRs, Actions
  - Code scanning & security
  - Generous free tier
- Description: GitHub 全平台 API：仓库、Issue、PR、Actions、搜索、代码扫描等。

### [POPULAR] Supabase API (Supabase 接口)
- Page: https://toolkiti.org/api/supabase
- Website: https://supabase.com
- Docs: https://supabase.com/docs
- Pricing: free tier (2 projects, 500 MB DB), paid plans
- Status: online
- Popularity: 76/100
- Auth: API Key (anon/service_role), OAuth
- Endpoints: https://[project].supabase.co/rest/v1/, https://[project].supabase.co/auth/v1/
- SDKs: JavaScript/TypeScript, Python, Dart, Go, Swift, Kotlin
- Features:
  - Open-source Firebase alternative
  - PostgreSQL database with REST API
  - Built-in auth & Row Level Security
  - Realtime subscriptions
  - File storage
- Description: 开源 Firebase 替代品：PostgreSQL 数据库、身份认证、实时订阅、存储 API。

### Resend API (Resend 邮件接口)
- Page: https://toolkiti.org/api/resend
- Website: https://resend.com
- Docs: https://resend.com/docs
- Pricing: free tier (3000 emails/mo for first 3 months), paid plans
- Status: online
- Popularity: 55/100
- Auth: API Key
- Endpoints: https://api.resend.com/emails
- SDKs: JavaScript/TypeScript, Python, Go, PHP, Ruby, Elixir, curl
- Features:
  - Email API for developers
  - High deliverability rates
  - React Email templates
  - Analytics & tracking
  - Generous free tier
- Description: 面向开发者的邮件 API，发送事务邮件和营销邮件，送达率高。

### [HOT] Bolt.new - AI Web App Builder (Bolt.new AI 网页应用构建器)
- Page: https://toolkiti.org/api/bolt
- Website: https://bolt.new
- Docs: https://docs.bolt.new
- Pricing: free tier, Starter $20/mo, Pro $100/mo (includes Bolt AI credits)
- Status: online
- Popularity: 90/100
- Auth: OAuth (GitHub/Google)
- Endpoints: https://api.bolt.new/v1/prompts, https://api.bolt.new/v1/deploy
- SDKs: Web SDK, CLI
- Features:
  - Full-stack app generation from prompts
  - Built-in deployment to production
  - Supports React, Vue, Svelte, Next.js
  - Real-time preview during development
  - Database and API integration built-in
- Description: AI 驱动的全栈网页应用构建器，通过提示词直接生成、部署和迭代应用。

### [POPULAR] Lovable AI App Builder (Lovable AI 应用构建器)
- Page: https://toolkiti.org/api/lovable
- Website: https://lovable.dev
- Docs: https://docs.lovable.dev
- Pricing: free tier, Starter $25/mo, Pro $75/mo
- Status: online
- Popularity: 85/100
- Auth: OAuth (GitHub/Google)
- Endpoints: N/A (Web Platform)
- SDKs: Web UI, Supabase Integration
- Features:
  - Describe-to-app with Supabase integration
  - Instant auth, database, and storage
  - Visual preview with live editing
  - One-click deployment
  - GPT-4 powered app generation
- Description: 描述你的应用想法，Lovable 即时生成带 Supabase 后端、认证和数据库的完整应用。

### [POPULAR] Replit AI Agent (Replit AI Agent)
- Page: https://toolkiti.org/api/replit
- Website: https://replit.com
- Docs: https://docs.replit.com
- Pricing: free tier, Hacker $25/mo, Pro $200/mo
- Status: online
- Popularity: 88/100
- Auth: OAuth (GitHub/Google), API Key
- Endpoints: https://api.replit.com/v1/prompt, https://api.replit.com/v1/deployments
- SDKs: Python SDK, JavaScript SDK, CLI
- Features:
  - AI Agent builds apps from description
  - 50+ language support in browser IDE
  - One-click deploy to production
  - Multiplayer editing and collaboration
  - Built-in database and secrets management
- Description: 基于浏览器的 IDE，AI Agent 可根据提示构建完整应用，支持 50+ 编程语言。

### [POPULAR] Vercel AI SDK (Vercel AI SDK)
- Page: https://toolkiti.org/api/vercel-ai-sdk
- Website: https://sdk.vercel.ai
- Docs: https://sdk.vercel.ai/docs
- Pricing: free (open-source), Vercel hosting additional
- Status: online
- Popularity: 86/100
- Auth: API Key (for provider integrations)
- Endpoints: N/A (SDK - integrates with 20+ providers)
- SDKs: TypeScript/JavaScript, Python (via LangChain)
- Features:
  - Streaming responses with React Server Components
  - Tool calling and function calling
  - Multi-provider support (OpenAI, Anthropic, etc.)
  - AI SDK Core for framework-agnostic use
  - Production-ready with edge deployment
- Description: 开源 TypeScript 工具包，用于构建 AI 应用，支持流式传输、工具调用和多供应商。

### Clerk Auth API (Clerk 认证接口)
- Page: https://toolkiti.org/api/clerk
- Website: https://clerk.com
- Docs: https://clerk.com/docs
- Pricing: free tier (10K MAU), Pro from $25/mo
- Status: online
- Popularity: 72/100
- Auth: API Key (Bearer Token)
- Endpoints: https://api.clerk.com/v1/users, https://api.clerk.com/v1/organizations
- SDKs: JavaScript, React, Next.js, Node.js, Go, Python
- Description: 完整的用户管理和认证方案。社交登录、多因素认证、会话管理和组织支持。

### Neon Serverless Postgres (Neon 无服务器 PostgreSQL)
- Page: https://toolkiti.org/api/neon
- Website: https://neon.tech
- Docs: https://neon.tech/docs
- Pricing: free tier (0.5GB), paid from $19/mo
- Status: online
- Popularity: 68/100
- Auth: API Key
- Endpoints: https://console.neon.tech/api/v2
- SDKs: JavaScript, Node.js, Python, SQL
- Description: 无服务器 PostgreSQL，支持数据库分支、自动扩缩容。适用于 CI/CD 和预览环境的数据库分支。

### [POPULAR] Twilio Communications API (Twilio 通信接口)
- Page: https://toolkiti.org/api/twilio
- Website: https://twilio.com
- Docs: https://twilio.com/docs
- Pricing: pay-as-you-go (SMS from $0.0079/msg)
- Status: online
- Popularity: 82/100
- Auth: API Key (Account SID + Auth Token)
- Endpoints: https://api.twilio.com/2010-04-01/Accounts
- SDKs: Node.js, Python, Go, Java, Ruby, PHP, C#
- Description: 短信、语音、视频和电子邮件通信 API。全球发送消息、拨打电话和验证用户。

### [POPULAR] SendGrid Email API (SendGrid 邮件接口)
- Page: https://toolkiti.org/api/sendgrid
- Website: https://sendgrid.com
- Docs: https://docs.sendgrid.com
- Pricing: free tier (100 emails/day), paid from $19.95/mo
- Status: online
- Popularity: 76/100
- Auth: API Key
- Endpoints: https://api.sendgrid.com/v3/mail/send
- SDKs: Node.js, Python, Go, Java, Ruby, PHP, C#
- Description: 事务性和营销邮件投递 API。高送达率、模板和实时分析。

### CrewAI Agent Framework (CrewAI 智能体框架)
- Page: https://toolkiti.org/api/crewai
- Website: https://crewai.com
- Docs: https://docs.crewai.com
- Pricing: open-source (free), CrewAI Enterprise available
- Status: online
- Popularity: 65/100
- Auth: API Key (OpenAI-compatible)
- SDKs: Python
- Description: 编排基于角色的 AI 智能体协作完成复杂任务的框架。为智能体定义角色、目标和工具。

### LangSmith Observability (LangSmith 可观测性)
- Page: https://toolkiti.org/api/langsmith
- Website: https://smith.langchain.com
- Docs: https://docs.smith.langchain.com
- Pricing: free tier, paid from $39/mo
- Status: online
- Popularity: 62/100
- Auth: API Key
- Endpoints: https://api.smith.langchain.com
- SDKs: Python, TypeScript
- Description: LLM 应用可观测性、测试和评估平台。在生产环境中追踪、监控和调试 LLM 链和智能体。

### Helicone AI Observability (Helicone AI 可观测性)
- Page: https://toolkiti.org/api/helicone
- Website: https://helicone.ai
- Docs: https://docs.helicone.ai
- Pricing: free tier (100K req/mo), paid from $20/mo
- Status: online
- Popularity: 55/100
- Auth: API Key
- Endpoints: https://api.helicone.ai/v1
- SDKs: Python, Node.js, curl
- Description: 开源 LLM 可观测性，监控成本、延迟和质量。OpenAI 即插即用代理，支持日志、缓存和限流。

### Browserbase Headless Browser API (Browserbase 无头浏览器接口)
- Page: https://toolkiti.org/api/browserbase
- Website: https://browserbase.com
- Docs: https://docs.browserbase.com
- Pricing: free tier, paid from $99/mo
- Status: online
- Popularity: 52/100
- Auth: API Key
- Endpoints: https://api.browserbase.com/v1
- SDKs: JavaScript, Python, Playwright, Puppeteer
- Description: AI 智能体的无头浏览器基础设施。大规模运行 Playwright/Puppeteer 脚本，支持隐身模式和会话管理。

### PlanetScale MySQL Platform (PlanetScale MySQL 平台)
- Page: https://toolkiti.org/api/planetscale
- Website: https://planetscale.com
- Docs: https://planetscale.com/docs
- Pricing: free tier (1B row reads/mo), paid from $39/mo
- Status: online
- Popularity: 57/100
- Auth: API Key (Service Token)
- Endpoints: https://api.planetscale.com/v1
- SDKs: Node.js, Python, Go, CLI
- Description: 无服务器 MySQL 平台，支持分支工作流。数据库分支实现零停机架构变更部署。

### Contentful Headless CMS (Contentful 无头 CMS)
- Page: https://toolkiti.org/api/contentful
- Website: https://contentful.com
- Docs: https://contentful.com/developers/docs
- Pricing: free tier, paid from $300/mo
- Status: online
- Popularity: 54/100
- Auth: API Key (Content Delivery/Management)
- Endpoints: https://cdn.contentful.com, https://api.contentful.com
- SDKs: JavaScript, Node.js, Python, Ruby, PHP, Java
- Description: 无头内容管理平台，提供 GraphQL 和 REST API。管理结构化内容，支持富媒体和本地化。

### Sanity CMS API (Sanity CMS 接口)
- Page: https://toolkiti.org/api/sanity
- Website: https://sanity.io
- Docs: https://sanity.io/docs
- Pricing: free tier, paid from $15/mo
- Status: online
- Popularity: 56/100
- Auth: API Key
- Endpoints: https://api.sanity.io/v1
- SDKs: JavaScript, React, Next.js, Gatsby
- Description: 可组合内容平台，支持实时协作。GROQ 查询语言和可定制内容工作室。

### Microsoft AutoGen Framework (微软 AutoGen 框架)
- Page: https://toolkiti.org/api/autogen
- Website: https://microsoft.github.io/autogen
- Docs: https://microsoft.github.io/autogen/docs
- Pricing: open-source (free)
- Status: online
- Popularity: 48/100
- Auth: None (library)
- SDKs: Python, .NET
- Description: 微软研究院的多智能体对话框架。构建能自主对话、协作和完成任务的 AI 智能体团队。

---

## 搜索服务 (8 APIs)

### [HOT] Tavily Search API (Tavily 搜索接口)
- Page: https://toolkiti.org/api/tavily
- Website: https://tavily.com
- Docs: https://docs.tavily.com
- Pricing: free tier (1000 credits/mo), pay-as-you-go
- Status: online
- Popularity: 95/100
- Auth: API Key
- Endpoints: https://api.tavily.com/search
- SDKs: Python, curl
- Rate Limit: 100 req/day (free tier)
- Latency: <1s
- Features:
  - AI-native search for agents
  - Structured results with summaries
  - Real-time web data extraction
  - Topic-specific deep searches
  - Free tier for development
- Usage Tips:
  - Use topic-based search for more relevant results
  - Combine with RAG for fact-checking AI responses
  - Free tier gives 1000 credits/month - enough for prototyping
- Description: 专为大语言模型和 AI Agent 优化的搜索接口，实时获取结构化网页数据。

### [POPULAR] Brave Search API (Brave 搜索接口)
- Page: https://toolkiti.org/api/brave-search
- Website: https://brave.com/search/api
- Docs: https://api.search.brave.com
- Pricing: free tier (2000 queries/mo), paid plans
- Status: online
- Popularity: 88/100
- Auth: API Key
- Endpoints: https://api.search.brave.com/res/v1/web/search
- SDKs: curl, Python, JavaScript
- Rate Limit: 2000 queries/mo (free)
- Latency: <500ms
- Features:
  - Independent search index
  - Web, news, image & video search
  - Privacy-focused, no tracking
  - Rich result data (ratings, reviews)
  - Free tier available
- Description: 独立搜索引擎接口，提供网页、新闻、图片、视频结果，注重隐私保护。

### [HOT] Serper API (Serper 搜索接口)
- Page: https://toolkiti.org/api/serper
- Website: https://serper.dev
- Docs: https://serper.dev/docs
- Pricing: free tier (2500 queries), pay-as-you-go from $50/mo
- Status: online
- Popularity: 90/100
- Auth: API Key
- Endpoints: https://google.serper.dev/search
- SDKs: Python, Node.js, Go, curl
- Rate Limit: 2500 queries free once
- Latency: <500ms
- Features:
  - Fast Google SERP API
  - Knowledge graph & shopping data
  - Organic, maps, images results
  - High reliability & uptime
  - Simple REST API
- Description: 快速 Google 搜索接口，返回知识图谱、购物信息、自然结果等丰富 SERP 数据。

### [POPULAR] Jina AI API (Jina AI 接口)
- Page: https://toolkiti.org/api/jina-ai
- Website: https://jina.ai
- Docs: https://docs.jina.ai
- Pricing: free tier, pay-as-you-go
- Status: online
- Popularity: 80/100
- Auth: API Key
- Endpoints: https://api.jina.ai/v1/embeddings, https://r.jina.ai/ (Reader), https://s.jina.ai/ (Segmenter)
- SDKs: Python, TypeScript, curl
- Features:
  - 8K+ dimensional embeddings
  - Reader API: web to LLM-ready content
  - Segmenter for text chunking
  - Open-source models available
  - CLIP & ColBERT architectures
- Description: 全能 AI 服务：嵌入向量（8K+ 维度）、网页内容读取器 API、文本分割。

### [POPULAR] Exa Search API (Exa 搜索接口)
- Page: https://toolkiti.org/api/exa
- Website: https://exa.ai
- Docs: https://docs.exa.ai
- Pricing: free tier (1000 queries/mo), paid plans
- Status: online
- Popularity: 82/100
- Auth: API Key
- Endpoints: https://api.exa.ai/search, https://api.exa.ai/contents
- SDKs: Python, TypeScript, curl
- Rate Limit: 1000 queries/mo (free tier)
- Features:
  - Semantic search by meaning
  - Embeddings-based content discovery
  - Similarity & content retrieval
  - AI agent optimized
  - Developer-friendly API
- Description: 基于嵌入向量的 AI 搜索引擎，按语义匹配内容而非关键词。

### [POPULAR] Firecrawl API (Firecrawl 网页抓取接口)
- Page: https://toolkiti.org/api/firecrawl
- Website: https://firecrawl.dev
- Docs: https://docs.firecrawl.dev
- Pricing: free tier (500 pages/mo), paid plans
- Status: online
- Popularity: 77/100
- Auth: API Key
- Endpoints: https://api.firecrawl.dev/v1/scrape, https://api.firecrawl.dev/v1/crawl
- SDKs: Python, Node.js, Go, curl
- Rate Limit: 500 pages/mo (free tier)
- Features:
  - Web scraping for AI agents
  - Converts pages to clean Markdown
  - Supports JS-rendered pages
  - Crawl entire websites
  - Free tier available
- Description: 专为 AI 优化的网页抓取和爬取工具，将网页转为干净 Markdown 或结构化数据。

### You.com API (You.com 搜索接口)
- Page: https://toolkiti.org/api/youcom
- Website: https://you.com
- Docs: https://documentation.you.com
- Pricing: free tier, Pro $20/mo, custom enterprise pricing
- Status: online
- Popularity: 70/100
- Auth: API Key
- Endpoints: https://api.you.com/v1/search, https://api.you.com/v1/chat
- SDKs: Python, JavaScript, curl
- Features:
  - AI-powered web search results
  - Real-time news and data
  - LLM chat integration
  - Image and video search support
  - Developer-friendly API
- Description: AI 搜索 API，提供网页、新闻、图片和实时数据结果，支持 LLM 聊天集成。

### Apify Web Scraping API (Apify 网页抓取接口)
- Page: https://toolkiti.org/api/apify
- Website: https://apify.com
- Docs: https://docs.apify.com/api
- Pricing: free tier ($5 credit), pay-as-you-go
- Status: online
- Popularity: 58/100
- Auth: API Key
- Endpoints: https://api.apify.com/v2
- SDKs: JavaScript, Python, CLI
- Description: 网页抓取和浏览器自动化平台，1500+ 预构建工具。大规模提取任意网站数据。

---

## AI 编辑器 (2 APIs)

### [HOT] Cursor AI IDE (Cursor AI 编辑器)
- Page: https://toolkiti.org/api/cursor
- Website: https://cursor.com
- Docs: https://docs.cursor.com
- Pricing: free tier, Pro $20/mo, Business $40/mo
- Status: online
- Popularity: 96/100
- Auth: OAuth (GitHub/Google)
- Endpoints: Built-in IDE (no REST API)
- SDKs: VS Code Extension, CLI
- Features:
  - Copilot++ for multi-line code suggestions
  - Composer for multi-file AI edits
  - Codebase-wide context with @ mentions
  - Built-in chat with GPT-4o, Claude, and more
  - Terminal AI commands and debugging
- Description: AI 优先的代码编辑器，深度集成 Copilot++、多文件编辑 Composer、全代码库上下文理解。

### [HOT] Windsurf AI IDE (Windsurf AI 编辑器)
- Page: https://toolkiti.org/api/windsurf
- Website: https://codeium.com/windsurf
- Docs: https://docs.codeium.com
- Pricing: free tier, Pro $15/mo, Pro Ultimate $30/mo
- Status: online
- Popularity: 93/100
- Auth: OAuth (Google/GitHub/Email)
- Endpoints: https://api.codeium.com/v1/chat, https://api.codeium.com/v1/autocomplete
- SDKs: VS Code Extension, JetBrains Extension, Web, CLI
- Features:
  - Cascade agentic flow for complex tasks
  - Ultra-fast tab autocomplete
  - Inline editing with AI suggestions
  - Terminal AI assistance
  - Multi-language support with accuracy tuning
- Description: AI 原生 IDE，具备 Cascade 智能工作流、Tab 补全、内联编辑和终端 AI 助手。

---

## 支付金融 (2 APIs)

### [HOT] Stripe Payments API (Stripe 支付接口)
- Page: https://toolkiti.org/api/stripe
- Website: https://stripe.com
- Docs: https://docs.stripe.com/api
- Pricing: 2.9% + $0.30 per transaction
- Status: online
- Popularity: 95/100
- Auth: API Key (Secret Key)
- Endpoints: https://api.stripe.com/v1/charges, https://api.stripe.com/v1/customers, https://api.stripe.com/v1/subscriptions
- SDKs: Node.js, Python, Go, Java, Ruby, PHP, .NET
- Description: 完整的支付处理平台：订阅、发票、结账和财务报告。支持全球支付方式。

### Lemon Squeezy Payments (Lemon Squeezy 支付)
- Page: https://toolkiti.org/api/lemonsqueezy
- Website: https://lemonsqueezy.com
- Docs: https://docs.lemonsqueezy.com/api
- Pricing: 5% + $0.50 per transaction
- Status: online
- Popularity: 50/100
- Auth: API Key
- Endpoints: https://api.lemonsqueezy.com/v1
- SDKs: Node.js, PHP, Laravel
- Description: 一体化支付、税务合规和数字产品销售平台。全球销售软件、订阅和数字商品。

---

## 云基础设施 (3 APIs)

### [POPULAR] Cloudflare Workers API (Cloudflare Workers 接口)
- Page: https://toolkiti.org/api/cloudflare-workers
- Website: https://workers.cloudflare.com
- Docs: https://developers.cloudflare.com/workers
- Pricing: free tier (100K req/day), paid from $5/mo
- Status: online
- Popularity: 78/100
- Auth: API Key, API Token
- Endpoints: https://api.cloudflare.com/client/v4/accounts
- SDKs: JavaScript, TypeScript, wrangler CLI
- Description: 边缘无服务器计算。将 JavaScript/TypeScript 函数部署到 Cloudflare 全球网络，零冷启动。

### Railway Deployment Platform (Railway 部署平台)
- Page: https://toolkiti.org/api/railway
- Website: https://railway.app
- Docs: https://docs.railway.app
- Pricing: free tier ($5 credit), pay-as-you-go from $5/mo
- Status: online
- Popularity: 60/100
- Auth: API Key, CLI Token
- Endpoints: https://backboard.railway.app/graphql/v2
- SDKs: CLI, Node.js
- Description: 即时部署平台，内置数据库、密钥管理和自动扩缩。从 GitHub 零配置部署。

### Fly.io Edge Platform (Fly.io 边缘平台)
- Page: https://toolkiti.org/api/flyio
- Website: https://fly.io
- Docs: https://fly.io/docs
- Pricing: free tier (3 VMs), pay-as-you-go from $1.94/mo per VM
- Status: online
- Popularity: 64/100
- Auth: API Key, CLI Token
- Endpoints: https://api.machines.dev
- SDKs: CLI (flyctl), Terraform
- Description: 将应用部署到用户附近的全球边缘基础设施。35+ 区域运行容器，自动任播路由。

---

## Site Information
- Site: ToolKiti - Structured API References for AI Agents
- URL: https://toolkiti.org
- Full JSON API: https://toolkiti.org/api/v1/tools
- Search API: https://toolkiti.org/api/v1/tools/search?q={query}
- API comparison: https://toolkiti.org/compare
- Text format: https://toolkiti.org/api/ai.txt
- Bilingual: English (primary), Chinese
- Sitemap: https://toolkiti.org/sitemap.xml