# AI tools for “Developer API”

1,755 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`

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

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 49 | [LLM Gateway](https://openaitools.app/tool/llm-gateway) | 168,426 | -14.5% | Freemium, Contact for Pricing | One OpenAI-compatible API to route, monitor and control 250+ LLM models | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/llm-gateway.md) |
| 50 | [Anakin](https://openaitools.app/tool/anakin) | 76,886 | -31.6% | Freemium | One scraping API that turns any website into agent-ready JSON | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/anakin.md) |
| 51 | [Thor Data](https://openaitools.app/tool/thor-data) | 181,966 | -3.5% | Free Trial, Paid | Proxies and web data APIs for scraping and AI pipelines | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/thor-data.md) |
| 52 | [Stable Diffusion API](https://openaitools.app/tool/stablediffusion-api) | 26,802 | -21.8% | Paid | One REST endpoint for SD 1.5, SDXL, Flux and 10,000+ community models | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/stablediffusion-api.md) |
| 53 | [Defapi](https://openaitools.app/tool/defapi) | 45,178 | +585.7% | Paid | Enterprise-grade gateway to hundreds of AI models through one API | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/defapi.md) |
| 54 | [ZEGOCLOUD](https://openaitools.app/tool/zegocloud) | 92,141 | -15.1% | Freemium | Low-latency voice, video, chat and conversational AI APIs for developers | category: ai-developer-tools; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zegocloud.md) |
| 55 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/coldiq-x-slack.md) |
| 56 | [OpenAI.fm](https://openaitools.app/tool/openai-fm) | 358,988 | +48% | Free | Hear OpenAI's text-to-speech voices in your browser, no setup required | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/openai-fm.md) |
| 57 | [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; keywords 55%; semantic match | [.md](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api.md) |
| 58 | [Wokey](https://openaitools.app/tool/wokey) | 55,092 | +202.2% | Paid | One verifiable API key for Claude, GPT, Kimi and Grok at a fraction of list price | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/wokey.md) |
| 59 | [Qwen 4 (Alibaba Qwen4)](https://openaitools.app/tool/qwen-4) | 35,101,353 | -6.2% | Freemium | Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context. | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/qwen-4.md) |
| 60 | [Groq](https://openaitools.app/tool/groq) | 3,987,936 | +10% | Paid | Ultra-fast AI inference on the LPU and LPX platform | category: ai-api; keywords 55%; semantic match | [.md](https://openaitools.app/tool/groq.md) |
| 61 | [LinkupAPI](https://openaitools.app/tool/linkupapi) | 37,347 | +7.1% | Paid | One outreach API to reach prospects on LinkedIn, email, WhatsApp and iMessage | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/linkupapi.md) |
| 62 | [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-developer-tools, ai-api; keywords 100% | [.md](https://openaitools.app/tool/postman.md) |
| 63 | [NaN Builders](https://openaitools.app/tool/nan-builders) | 47,153 | +18.7% | Subscription | Shared GPU cluster for open models, billed at a flat rate instead of per token | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/nan-builders.md) |
| 64 | [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) |
| 65 | [PDF.co](https://openaitools.app/tool/pdf-co) | 78,590 | -8.2% | Free Trial, Paid | REST API to convert, edit and extract data from PDFs | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/pdf-co.md) |
| 66 | [ElevenLabs](https://openaitools.app/tool/elevenlabs-io) | 42,396,771 | +26.1% | Freemium, Paid, Contact for Pricing | AI audio platform for speech, agents, music and dubbing | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/elevenlabs-io.md) |
| 67 | [AIsa](https://openaitools.app/tool/aisa) | 89,162 | -10.3% | Freemium | One key, one schema, 6,000+ APIs for your AI agents | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/aisa.md) |
| 68 | [APIXO.AI](https://openaitools.app/tool/apixo-ai-ai-model-api-provider) | 42,635 | +49.6% | Paid | One API and workspace for image, video, audio and text models | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/apixo-ai-ai-model-api-provider.md) |
| 69 | [KeyAPI.ai](https://openaitools.app/tool/keyapi-ai) | 18,041 | -32.4% | Freemium, Paid, Enterprise | One API key for social data across 20+ platforms | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/keyapi-ai.md) |
| 70 | [reAPI](https://openaitools.app/tool/reapi) | 20,221 | +888.3% | Paid | One OpenAI-compatible API across image, video, chat, music and code models | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/reapi.md) |
| 71 | [n8n](https://openaitools.app/tool/n8n) | 4,522,449 | -7.4% | Freemium | Open-source workflow automation built for AI agents and technical teams | category: ai-developer-tools; keywords 100% | [.md](https://openaitools.app/tool/n8n.md) |
| 72 | [Prelude Verify](https://openaitools.app/tool/prelude-verify) | 28,810 | -24.3% | Paid | Onboarding and trust infrastructure for phone and signup verification | category: ai-developer-tools, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/prelude-verify.md) |

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

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