# 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) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 433 | [FASHN Virtual Try-On](https://openaitools.app/tool/fashn-virtual-try-on) | 114,814 | -25.4% | Paid, Contact for Pricing | Fashion AI agent that turns product photos into on-model visuals, try-on shots and videos | — | [.md](https://openaitools.app/tool/fashn-virtual-try-on.md) |
| 434 | [AiPrice](https://openaitools.app/tool/aiprice) | 2,110 | -57.8% | Freemium | Estimate OpenAI prompt tokens and cost before you make the API call | — | [.md](https://openaitools.app/tool/aiprice.md) |
| 435 | [PromptLayer](https://openaitools.app/tool/promptlayer) | 85,899 | -4.6% | Free Trial, Contact for Pricing | The collaboration layer for AI engineering teams | — | [.md](https://openaitools.app/tool/promptlayer.md) |
| 436 | [ScrapeGraphAI](https://openaitools.app/tool/scrapegraphai) | 91,362 | -25.7% | Freemium, Paid, Contact for Pricing | Turn any website into structured JSON with a prompt instead of selectors | — | [.md](https://openaitools.app/tool/scrapegraphai.md) |
| 437 | [Up Learn](https://openaitools.app/tool/uplearn-co-uk) | 1,346,342 | +49.9% | Free Trial, Paid | AI-powered A Level and GCSE courses with a top-grades-or-refund guarantee | — | [.md](https://openaitools.app/tool/uplearn-co-uk.md) |
| 438 | [Design Arena](https://openaitools.app/tool/design-arena) | 949,534 | -13.2% | Free | Crowdsourced arena where AI models compete and humans crown the best design output | — | [.md](https://openaitools.app/tool/design-arena.md) |
| 439 | [Windward Maritime AI](https://openaitools.app/tool/windward-ai) | 128,777 | -38% | Contact for Pricing | All-source maritime intelligence powered by Maritime AI™ | — | [.md](https://openaitools.app/tool/windward-ai.md) |
| 440 | [Enter Pro](https://openaitools.app/tool/enter-pro) | 123,243 | +18.1% | Freemium | Build and deploy apps, websites and AI agents from a prompt | — | [.md](https://openaitools.app/tool/enter-pro.md) |
| 441 | [Tinybird](https://openaitools.app/tool/tinybird) | 85,443 | -24.7% | Freemium | Managed ClickHouse® and tooling to ship real-time analytics features | — | [.md](https://openaitools.app/tool/tinybird.md) |
| 442 | [CustomFit.ai 2.0](https://openaitools.app/tool/customfit-ai-2-0) | 19,227 | +95.7% | Free Trial, Paid, Contact for Pricing | Multiple test types, one editor: Run A/B, A/A, multivariate and split-URL tests from one editor while keeping the same statistical engine ac | — | [.md](https://openaitools.app/tool/customfit-ai-2-0.md) |
| 443 | [Lemonade](https://openaitools.app/tool/lemonade-ai) | 96,232 | -34.4% | Free | Run local AI for text, images and speech on your own machine | — | [.md](https://openaitools.app/tool/lemonade-ai.md) |
| 444 | [NoFilterGPT](https://openaitools.app/tool/nofiltergpt-com) | 87,497 | -4.7% | Freemium | Uncensored, anonymous AI chat with image and voice tools | — | [.md](https://openaitools.app/tool/nofiltergpt-com.md) |
| 445 | [R.test](https://openaitools.app/tool/rtest-ai) | 7,352 | -47.9% | Freemium | AI-powered diagnostic practice tests for SAT®, ACT®, PSAT/NMSQT® and AP® — scored in about 40 minutes | — | [.md](https://openaitools.app/tool/rtest-ai.md) |
| 446 | [TensorPix](https://openaitools.app/tool/tensorpix-ai) | 128,014 | -14.5% | Freemium | Enhance, upscale and generate video and images in your browser | — | [.md](https://openaitools.app/tool/tensorpix-ai.md) |
| 447 | [Virlo](https://openaitools.app/tool/nicolas-mauro) | 121,769 | -30.5% | Free Trial, Paid | Social listening and outlier detection for TikTok, Reels and Shorts | — | [.md](https://openaitools.app/tool/nicolas-mauro.md) |
| 448 | [Claude](https://openaitools.app/tool/claude-3) | 18,695,610 | +9.1% | Freemium, Contact for Pricing | Anthropic's AI assistant for real work, from chat to agents | — | [.md](https://openaitools.app/tool/claude-3.md) |
| 449 | [OpenTrain AI](https://openaitools.app/tool/opentrain-ai) | 1,469,348 | +11.2% | Contact for Pricing | Hire tested AI trainers and data labelers for RLHF, evaluation, and annotation | — | [.md](https://openaitools.app/tool/opentrain-ai.md) |
| 450 | [FLUX.1 AI](https://openaitools.app/tool/flux-1-ai) | 118,944 | -16.3% | Paid | Text-to-image generator for Black Forest Labs' FLUX.1 model family | — | [.md](https://openaitools.app/tool/flux-1-ai.md) |
| 451 | [AI Text Humanizer](https://openaitools.app/tool/ai-text-humanizer-com) | 121,013 | -0.2% | Freemium | Rewrite AI-generated text into natural, human-sounding prose | — | [.md](https://openaitools.app/tool/ai-text-humanizer-com.md) |
| 452 | [Hama - Image Editing](https://openaitools.app/tool/hama-image-editing) | 94,358 | +5.9% | Freemium, Free Trial | Brush over anything you want gone, and it disappears in seconds | — | [.md](https://openaitools.app/tool/hama-image-editing.md) |
| 453 | [Honcho](https://openaitools.app/tool/honcho) | 137,752 | +2.2% | Paid, Contact for Pricing | Open-source AI memory that reasons, not just stores | — | [.md](https://openaitools.app/tool/honcho.md) |
| 454 | [Flair AI](https://openaitools.app/tool/flair-ai) | 121,777 | -10% | Freemium, Paid, Contact for Pricing | Studio-quality product photography, generated in seconds | — | [.md](https://openaitools.app/tool/flair-ai.md) |
| 455 | [Serpex](https://openaitools.app/tool/serpex-dev) | 2,405 | -34.3% | Freemium, Free Trial, Paid | Affordable real-time search API that returns structured JSON plus page content in a single call. | — | [.md](https://openaitools.app/tool/serpex-dev.md) |
| 456 | [Cyanite](https://openaitools.app/tool/cyanite-s-free-text-search) | 115,980 | -26.2% | Free Trial | AI music tagging and free-text search for large catalogs | — | [.md](https://openaitools.app/tool/cyanite-s-free-text-search.md) |

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