# AI tools for “API Testing”

2,000 matching tools; showing 24, ranked by relevance.

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) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1921 | [ChatGPTCustomizer](https://openaitools.app/tool/chatgptcustomizer) | 0 | — | Free | Reusable ChatGPT API profiles for translation, proofreading, and more | — | [.md](https://openaitools.app/tool/chatgptcustomizer.md) |
| 1922 | [AnyCap](https://openaitools.app/tool/anycap) | 0 | -100% | Paid | One CLI that gives your AI agent image, video, audio, search, storage and publishing superpowers | — | [.md](https://openaitools.app/tool/anycap.md) |
| 1923 | [Chrome ChatGPT - 小毛網站](https://openaitools.app/tool/chrome-chatgpt-%E5%B0%8F%E6%AF%9B%E7%B6%B2%E7%AB%99) | 0 | — | Freemium | A lightweight Chrome panel for chatting via your own OpenAI API key | — | [.md](https://openaitools.app/tool/chrome-chatgpt-%E5%B0%8F%E6%AF%9B%E7%B6%B2%E7%AB%99.md) |
| 1924 | [Chat酱 · ChatGPT Browser Extension](https://openaitools.app/tool/chat%E9%85%B1-chatgpt%E6%B5%8F%E8%A7%88%E5%99%A8%E6%8F%92%E4%BB%B6) | 0 | — | Paid | Bring-your-own-key ChatGPT sidebar for Chrome with pay-as-you-go GPT-4 and image generation | — | [.md](https://openaitools.app/tool/chat%E9%85%B1-chatgpt%E6%B5%8F%E8%A7%88%E5%99%A8%E6%8F%92%E4%BB%B6.md) |
| 1925 | [DraftMate (GPT Draft Generator)](https://openaitools.app/tool/gpt-draftmate) | 0 | — | Free | AI drafting and review for internal approval documents | — | [.md](https://openaitools.app/tool/gpt-draftmate.md) |
| 1926 | [Drag GPT](https://openaitools.app/tool/gpt-ai) | 0 | — | Freemium | Drag any text on a page and ask ChatGPT about it instantly | — | [.md](https://openaitools.app/tool/gpt-ai.md) |
| 1927 | [Silo - Multi-model chat, text-to-images](https://openaitools.app/tool/silo-siliconcloud-api-playground) | 0 | — | Contact for Pricing | One Chrome sidebar for chatting with many LLMs and generating images via SiliconCloud | — | [.md](https://openaitools.app/tool/silo-siliconcloud-api-playground.md) |
| 1928 | [Window AI](https://openaitools.app/tool/window-ai) | 0 | — | Free | Use your own AI models on any website | — | [.md](https://openaitools.app/tool/window-ai.md) |
| 1929 | [CG Entry Master - ChatGPT Entry Tool](https://openaitools.app/tool/cg-entry-master-chatgpt%E5%85%A5%E5%8F%A3%E7%89%B9%E6%AE%8A%E5%B7%A5%E5%85%B7) | 0 | — | Freemium | A Chrome extension that helps you reach ChatGPT and other OpenAI services when your network blocks them. | — | [.md](https://openaitools.app/tool/cg-entry-master-chatgpt%E5%85%A5%E5%8F%A3%E7%89%B9%E6%AE%8A%E5%B7%A5%E5%85%B7.md) |
| 1930 | [Bugasura](https://openaitools.app/tool/bugasura) | 0 | — | Contact for Pricing | AI-powered bug reporting from your browser | — | [.md](https://openaitools.app/tool/bugasura.md) |
| 1931 | [CG No Login Master - ChatGPT Login-Fix Tool](https://openaitools.app/tool/cg-no-login-master-chatgpt%E6%97%A0%E6%B3%95%E7%99%BB%E9%99%86%E7%89%B9%E6%AE%8A%E5%B7%A5%E5%85%B7) | 0 | — | Freemium | A Chrome extension for people who can reach ChatGPT but cannot get past the login screen. | — | [.md](https://openaitools.app/tool/cg-no-login-master-chatgpt%E6%97%A0%E6%B3%95%E7%99%BB%E9%99%86%E7%89%B9%E6%AE%8A%E5%B7%A5%E5%85%B7.md) |
| 1932 | [flomoAI \| Copilot for flomo](https://openaitools.app/tool/flomoai-copilot-for-flomo) | 0 | — | Free | Invisible GPT copilot that lives inside your flomo notes editor | — | [.md](https://openaitools.app/tool/flomoai-copilot-for-flomo.md) |
| 1933 | [AudD® Music Recognition](https://openaitools.app/tool/audd-music-recognition) | 0 | — | Free | Identify any song playing in your browser tab and see lyrics plus streaming links | — | [.md](https://openaitools.app/tool/audd-music-recognition.md) |
| 1934 | [AI Image Detector by IsItAI.com](https://openaitools.app/tool/ai-image-detector-by-isitai-com) | 0 | — | Freemium | Right-click any image and get an instant AI-vs-human verdict in Chrome's side panel | — | [.md](https://openaitools.app/tool/ai-image-detector-by-isitai-com.md) |
| 1935 | [Flux 3 (flux-3.im)](https://openaitools.app/tool/flux-3-im) | 0 | 0% | Paid | AI video generator for prompt, image and reference-guided clips | — | [.md](https://openaitools.app/tool/flux-3-im.md) |
| 1936 | [Mini ChatGPT For Chrome (AI Assistant: Free ChatGPT GPT-4o mini)](https://openaitools.app/tool/mini-chatgpt-for-chrome) | 0 | — | Free | A free mini ChatGPT sidebar for Chrome, powered by OpenAI's gpt-4o-mini model | — | [.md](https://openaitools.app/tool/mini-chatgpt-for-chrome.md) |
| 1937 | [EclecticIQ Threat Scout](https://openaitools.app/tool/eclecticiq-threat-scout) | 0 | — | Contact for Pricing | Turn web pages and PDFs into STIX 2.1 threat intelligence, right in your browser | — | [.md](https://openaitools.app/tool/eclecticiq-threat-scout.md) |
| 1938 | [Scan2AI](https://openaitools.app/tool/scan2ai) | 0 | — | Freemium | Capture any part of your screen and send it straight to an AI API | — | [.md](https://openaitools.app/tool/scan2ai.md) |
| 1939 | [Whisper Anywhere](https://openaitools.app/tool/whisper-anywhere) | 0 | — | Free | Push-to-talk dictation for any text box in Chrome, powered by your own OpenAI Whisper key | — | [.md](https://openaitools.app/tool/whisper-anywhere.md) |
| 1940 | [MailBot](https://openaitools.app/tool/mailbot) | 0 | — | Freemium | Bring OpenAI Assistant suggestions directly into your Gmail composer | — | [.md](https://openaitools.app/tool/mailbot.md) |
| 1941 | [GPT-ChatDIY](https://openaitools.app/tool/gpt-chatdiy) | 0 | — | Free | A bring-your-own-API-key ChatGPT extension with local history and privacy guards | — | [.md](https://openaitools.app/tool/gpt-chatdiy.md) |
| 1942 | [Fast Translator](https://openaitools.app/tool/fast-translator) | 0 | — | Freemium | Translate, polish, and summarize any text in your browser with OpenAI and Google Translate | — | [.md](https://openaitools.app/tool/fast-translator.md) |
| 1943 | [Echonix AI Edge Rapid Response Chatbot](https://openaitools.app/tool/echonix-ai-edge-rapid-response-chatbot) | 0 | — | Freemium | A lightweight browser extension for fast AI chat responses via your own OpenAI or Groq API key. | — | [.md](https://openaitools.app/tool/echonix-ai-edge-rapid-response-chatbot.md) |
| 1944 | [WAAS (Whisper as a Service)](https://openaitools.app/tool/waas) | 0 | — | Free | Self-hosted OpenAI Whisper with a queue, web GUI and REST API | — | [.md](https://openaitools.app/tool/waas.md) |

Page 81 of 84 · [← Previous page](https://openaitools.app/index.md?q=API+Testing&page=80) · [Next page →](https://openaitools.app/index.md?q=API+Testing&page=82)

For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`.

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

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)