# AI tools for “API Discovery”

1,577 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`

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 | [Algolia](https://openaitools.app/tool/algolia) | 689,970 | -11% | Freemium, Contact for Pricing | AI search and retrieval platform for modern apps and commerce | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/algolia.md) |
| 2 | [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) |
| 3 | [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) |
| 4 | [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) |
| 5 | [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 | [.md](https://openaitools.app/tool/deepseek.md) |
| 6 | [Everypixel](https://openaitools.app/tool/everypixel) | 336,875 | +39.1% | Free | One search across 50+ stock libraries, AI-ranked and priced side by side | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/everypixel.md) |
| 7 | [Zero](https://openaitools.app/tool/zero-xyz) | 6,827 | -46% | Free, Paid | Unblock your AI with on-demand access to thousands of real tools and APIs | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zero-xyz.md) |
| 8 | [InfraBase.ai](https://openaitools.app/tool/infrabase-ai) | 39,072 | -13.6% | Free | Hand-verified directory of AI infrastructure tools | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/infrabase-ai.md) |
| 9 | [Gemini 4 Carbon (Gemini Carbon 4)](https://openaitools.app/tool/gemini-4-carbon) | 4,339,429 | +12.7% | Freemium | Google DeepMind's #1 frontier AI model (Gemini Carbon 4) for long-horizon agentic coding, cybersecurity defense, and 1M-token multimodal reasoning. | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/gemini-4-carbon.md) |
| 10 | [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 | [.md](https://openaitools.app/tool/openai.md) |
| 11 | [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) |
| 12 | [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; semantic match | [.md](https://openaitools.app/tool/bigmodel.md) |
| 13 | [Zinc](https://openaitools.app/tool/zinc) | 13,032 | +49% | Paid, usage-based (per successful order and per API call); volume terms via sales | Buy anything online with one API | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zinc.md) |
| 14 | [Kie.ai](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api) | 2,275,553 | -22.4% | Pay-as-you-go | One API key for video, image, music, and chat models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api.md) |
| 15 | [Lenso.ai](https://openaitools.app/tool/lenso-ai) | 1,588,648 | -1.3% | Freemium | AI reverse image search with face, place, and duplicate detection | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/lenso-ai.md) |
| 16 | [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) |
| 17 | [Parsers VC](https://openaitools.app/tool/venture-matching) | 45,126 | -14.2% | Freemium | Continuous startup and VC intelligence, searchable and API-ready | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/venture-matching.md) |
| 18 | [Exa](https://openaitools.app/tool/exa-ai) | 1,062,574 | +16.8% | Freemium, Contact for Pricing | Web search API and crawler built for AI agents | category: ai-api; semantic match | [.md](https://openaitools.app/tool/exa-ai.md) |
| 19 | [Treg](https://openaitools.app/tool/treg) | 452,935 | +223.4% | Freemium | One key for 4,100+ agent tools, pay per call | category: ai-api; semantic match | [.md](https://openaitools.app/tool/treg.md) |
| 20 | [API Hub](https://openaitools.app/tool/api-hub) | 1,399 | -0.9% | Freemium | A marketplace of ready-to-use APIs and MCP servers for apps and AI agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/api-hub.md) |
| 21 | [DeepL](https://openaitools.app/tool/deepl) | 95,110,871 | -1.7% | Freemium | Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages. | category: ai-api | [.md](https://openaitools.app/tool/deepl.md) |
| 22 | [Atlas Cloud](https://openaitools.app/tool/atlas-cloud) | 777,031 | -16.4% | Paid | One OpenAI-compatible API for 500+ image, video, audio, and LLM models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/atlas-cloud.md) |
| 23 | [APIMart](https://openaitools.app/tool/apimart) | 383,148 | +6.3% | Freemium, Paid | One OpenAI-compatible API for 190+ text, image, video and audio models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/apimart.md) |
| 24 | [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) |

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Source: https://openaitools.app/?q=API%20Discovery

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