# AI tools for “API Testing”

1,618 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`, `platform=website`

Related categories: [ai-testing](https://openaitools.app/category/ai-testing.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) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [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) |
| 2 | [Qodex](https://openaitools.app/tool/qodex) | 140,666 | +10.1% | Contact for Pricing | Execution-backed code review that runs real API, UI and security tests on every pull request | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/qodex.md) |
| 3 | [Katalon](https://openaitools.app/tool/katalon-studio) | 158,090 | -29.6% | Freemium, Free Trial, Paid, Contact for Pricing | AI-augmented quality platform for web, mobile, API and desktop testing | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/katalon-studio.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; keywords 100% | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 5 | [Beagle Security](https://openaitools.app/tool/beagle-security) | 38,309 | -35.8% | Freemium, Free Trial, Paid, Contact for Pricing | Agentic AI penetration testing for web apps, APIs and GraphQL | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/beagle-security.md) |
| 6 | [testRigor](https://openaitools.app/tool/testrigor-com) | 105,865 | -2.7% | Free Trial, Contact for Pricing, Free | Write end-to-end test automation in plain English, no code required | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/testrigor-com.md) |
| 7 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/apimart.md) |
| 8 | [Applitools Eyes](https://openaitools.app/tool/applitools-eyes) | 159,934 | -15.7% | Freemium, Free Trial, Paid, Contact for Pricing | AI-powered visual and functional testing that catches UI bugs on every page | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/applitools-eyes.md) |
| 9 | [ZeroThreat](https://openaitools.app/tool/zerothreat) | 29,304 | -11.2% | Free | Continuous AI-powered pentesting for web apps and APIs | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zerothreat.md) |
| 10 | [HTTPie AI](https://openaitools.app/tool/httpie-ai) | 24,714 | -45.2% | Freemium | Human-friendly API client with an AI sidekick | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/httpie-ai.md) |
| 11 | [Vapi](https://openaitools.app/tool/vapi) | 662,301 | -11.4% | Freemium | Build, test, and deploy production-grade voice AI agents over API | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/vapi.md) |
| 12 | [Hallo](https://openaitools.app/tool/hallo-ai-language-learning) | 363,490 | +38% | Contact for Pricing | AI language and skills assessments for hiring and education | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/hallo-ai-language-learning.md) |
| 13 | [Aikido Security](https://openaitools.app/tool/aikido-security) | 757,491 | +9.6% | Freemium | All-in-one AppSec platform that finds and auto-fixes vulnerabilities | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/aikido-security.md) |
| 14 | [Devzery](https://openaitools.app/tool/devzery) | 2,378 | -85.1% | Contact for Pricing | Self-driving AI agent for API functional regression testing | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/devzery.md) |
| 15 | [DogeSMS](https://openaitools.app/tool/dogesms) | 96,418 | -21.9% | Pay-as-you-go | Disposable and rental phone numbers for SMS verification in 180+ countries | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/dogesms.md) |
| 16 | [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) |
| 17 | [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) |
| 18 | [ContextQA 2.0](https://openaitools.app/tool/contextqa-2-0) | 9,794 | -3.2% | Free Trial, Contact for Pricing | AI test automation and self-healing QA for enterprise apps and AI agents | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/contextqa-2-0.md) |
| 19 | [Browserless](https://openaitools.app/tool/browserless) | 185,543 | -21.2% | Freemium, Paid, Contact for Pricing | Cloud browsers for AI agents, scraping, and automation that won't get blocked | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/browserless.md) |
| 20 | [Equixly](https://openaitools.app/tool/equixly) | 13,245 | -34.3% | Contact for Pricing | Autonomous penetration testing and AI red teaming beyond human limits | category: ai-testing, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/equixly.md) |
| 21 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/flaq-ai-api-platform.md) |
| 22 | [ProjectDiscovery Neo](https://openaitools.app/tool/projectdiscovery-neo) | 158,530 | +22.5% | Paid, Contact for Pricing | AI security platform that finds exposures, proves they're exploitable, and ships the fix | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/projectdiscovery-neo.md) |
| 23 | [KushoAI](https://openaitools.app/tool/kushoai) | 5,905 | -28.2% | Contact for Pricing | AI-native testing and reliability agents for your CI/CD pipeline | category: ai-testing; keywords 100%; semantic match | [.md](https://openaitools.app/tool/kushoai.md) |
| 24 | [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) |

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

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