# AI tools for “API sandbox” 1,573 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 | [Novita AI](https://openaitools.app/tool/novita-ai) | 271,371 | -10.4% | Paid | One cloud for 200+ model APIs, agent sandboxes and GPU compute | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/novita-ai.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 | [.md](https://openaitools.app/tool/openai.md) | | 3 | [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) | | 4 | [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) | | 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 | [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 | [.md](https://openaitools.app/tool/openrouter-ai.md) | | 7 | [boat](https://openaitools.app/tool/boat) | 66,870 | +520.8% | Free Trial, Paid | Persistent Ubuntu cloud VMs built for AI agent factories | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/boat.md) | | 8 | [Modal](https://openaitools.app/tool/modal-com) | 1,196,021 | +30.2% | Freemium, Contact for Pricing | Serverless cloud infrastructure for AI and data workloads | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/modal-com.md) | | 9 | [YepCode](https://openaitools.app/tool/yepcode) | 13,298 | +24.3% | Freemium, Paid, Contact for Pricing | Build and run code-based integrations in secure cloud sandboxes | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/yepcode.md) | | 10 | [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) | | 11 | [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; semantic match | [.md](https://openaitools.app/tool/postman.md) | | 12 | [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 | [.md](https://openaitools.app/tool/elevenlabs-io.md) | | 13 | [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 | [.md](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api.md) | | 14 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | category: ai-api | [.md](https://openaitools.app/tool/zerogpt.md) | | 15 | [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 | [.md](https://openaitools.app/tool/qwen-4.md) | | 16 | [Composio](https://openaitools.app/tool/composio) | 2,782,603 | +22.8% | Freemium, Contact for Pricing | Give your AI agents secure, authenticated access to 1,700+ apps | category: ai-api | [.md](https://openaitools.app/tool/composio.md) | | 17 | [Tripo AI](https://openaitools.app/tool/tripo-ai) | 25,209,679 | +73.2% | Freemium | Create 3D models from text and images in seconds | category: ai-api | [.md](https://openaitools.app/tool/tripo-ai.md) | | 18 | [Hopx (The Cloud for AI Agents)](https://openaitools.app/tool/the-cloud-for-ai-agents) | 2,456 | -47.5% | Free Trial, Paid | Secure Linux micro-VM sandboxes for AI agents and untrusted code | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/the-cloud-for-ai-agents.md) | | 19 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | AI detection and writing verification built for schools and editors | category: ai-api | [.md](https://openaitools.app/tool/gptzero-me.md) | | 20 | [Photoroom](https://openaitools.app/tool/photoroom) | 18,213,872 | -2.8% | Freemium, Free Trial, Contact for Pricing | 面向电商的 AI 视觉编辑器，从商品图到视频广告 | category: ai-api | [.md](https://openaitools.app/tool/photoroom.md) | | 21 | [Thomson Reuters](https://openaitools.app/tool/thomson-reuters) | 17,919,413 | +5.5% | Contact for Pricing | Purpose-built AI and trusted content for legal, tax, risk and trade professionals | category: ai-api | [.md](https://openaitools.app/tool/thomson-reuters.md) | | 22 | [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 | [.md](https://openaitools.app/tool/agnes-ai.md) | | 23 | [ZenMux](https://openaitools.app/tool/zenmux) | 444,394 | +16.7% | Freemium, Paid | One unified API for 100+ AI models, with insurance when output disappoints | category: ai-api; semantic match | [.md](https://openaitools.app/tool/zenmux.md) | | 24 | [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) | Page 1 of 66 · [Next page →](https://openaitools.app/index.md?q=API+sandbox&group=coding-development&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=API%20sandbox More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)