# AI tools for “API Documentation”

1,963 matching tools; showing 24, ranked by relevance.

Related categories: [ai-api](https://openaitools.app/category/ai-api.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | category: ai-api; semantic match | [.md](https://openaitools.app/tool/deepseek.md) |
| 2 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | category: ai-api; semantic match | [.md](https://openaitools.app/tool/openai.md) |
| 3 | [Postman](https://openaitools.app/tool/postman) | 1,764,877 | -7.6% | Freemium | Design, test, and govern APIs — now with AI agents in the loop | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/postman.md) |
| 4 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | category: ai-api; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 5 | [Theneo](https://openaitools.app/tool/theneo) | 31,850 | -17.3% | Freemium, Paid, Contact for Pricing | API docs that humans and AI agents ship together | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/theneo.md) |
| 6 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | category: ai-api | [.md](https://openaitools.app/tool/claude-2.md) |
| 7 | [TinyFish](https://openaitools.app/tool/tinyfish) | 1,124,952 | +199.7% | Freemium, Contact for Pricing | One API key for agent-grade web search, fetch, browsing and automation | category: ai-api; semantic match | [.md](https://openaitools.app/tool/tinyfish.md) |
| 8 | [Mintlify](https://openaitools.app/tool/mintlify) | 248,197 | -22.9% | Freemium, Free Trial, Paid, Contact for Pricing | The intelligent documentation platform that keeps itself up to date | keywords 100%; semantic match | [.md](https://openaitools.app/tool/mintlify.md) |
| 9 | [Corti](https://openaitools.app/tool/corti-ai) | 24,967 | -1.1% | Contact for Pricing | Frontier AI for critical industries on a sovereign stack | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/corti-ai.md) |
| 10 | [BigModel](https://openaitools.app/tool/bigmodel) | 5,700,686 | -17% | Freemium | Zhipu AI's open platform for GLM large models, multimodal APIs, and agent building | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/bigmodel.md) |
| 11 | [Agnes AI](https://openaitools.app/tool/agnes-ai) | 902,184 | -25.8% | Freemium | One free API for text, image, and video AI models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/agnes-ai.md) |
| 12 | [Firecrawl](https://openaitools.app/tool/firecrawl-dev) | 1,828,239 | -1.9% | Freemium, Contact for Pricing | Web data API that turns any site into clean, AI-ready content | category: ai-api; semantic match | [.md](https://openaitools.app/tool/firecrawl-dev.md) |
| 13 | [AI/ML API](https://openaitools.app/tool/ai-ml-api) | 232,946 | -20.1% | Pay-as-you-go credits (free to start); enterprise custom pricing on request | One universal API for 500+ AI models and 1,000+ agentic tools | category: ai-api; semantic match | [.md](https://openaitools.app/tool/ai-ml-api.md) |
| 14 | [LiteLLM](https://openaitools.app/tool/litellm) | 576,967 | +7.9% | Freemium, Contact for Pricing | One open-source AI gateway for 100+ LLM providers | category: ai-api; semantic match | [.md](https://openaitools.app/tool/litellm.md) |
| 15 | [Superflows](https://openaitools.app/tool/superflows) | 4,103 | -1.2% | Freemium, Paid, Contact for Pricing | Launch your product's AI assistant without an AI team | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/superflows.md) |
| 16 | [DocsBot AI](https://openaitools.app/tool/docsbot-ai) | 495,278 | -3.8% | Freemium | Custom AI agents trained on your documentation and knowledge base | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/docsbot-ai.md) |
| 17 | [EvoLink AI Model API](https://openaitools.app/tool/evolink-ai-model-api) | 312,573 | -27% | Free Trial, Paid, Contact for Pricing | One API for LLM, image, video, and audio models in production | category: ai-api; semantic match | [.md](https://openaitools.app/tool/evolink-ai-model-api.md) |
| 18 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models. | category: ai-api | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 19 | [APIMaster](https://openaitools.app/tool/apimaster) | 210,182 | +46.3% | Paid | One OpenAI-compatible key for discounted GPT, Claude and Gemini access | category: ai-api; semantic match | [.md](https://openaitools.app/tool/apimaster.md) |
| 20 | [OfoxAI](https://openaitools.app/tool/ofoxai) | 239,718 | +12.7% | — | One API key, 100+ LLMs, official pricing with no platform markup | category: ai-api; semantic match | [.md](https://openaitools.app/tool/ofoxai.md) |
| 21 | [Stenography](https://openaitools.app/tool/stenography) | 973 | -44.8% | Freemium, Paid, Contact for Pricing | Automatic documentation for code, on every save | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/stenography.md) |
| 22 | [Flaq AI](https://openaitools.app/tool/flaq-ai-api-platform) | 328,715 | +127.9% | Paid | One API key for the world's leading image, video and language models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/flaq-ai-api-platform.md) |
| 23 | [Pollinations](https://openaitools.app/tool/pollinations) | 316,875 | +22.8% | Free | Open infrastructure and one API for generative AI builders | category: ai-api; semantic match | [.md](https://openaitools.app/tool/pollinations.md) |
| 24 | [ColdIQ](https://openaitools.app/tool/coldiq-x-slack) | 195,701 | -14.8% | Freemium, Paid, Contact for Pricing | One GTM data API for prospecting, enrichment and AI agents | category: ai-api; semantic match | [.md](https://openaitools.app/tool/coldiq-x-slack.md) |

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