# 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) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 505 | [Extruct AI](https://openaitools.app/tool/extruct-ai) | 54,708 | -7% | Paid, Contact for Pricing | The company research API for AI agents | — | [.md](https://openaitools.app/tool/extruct-ai.md) |
| 506 | [Avaturn](https://openaitools.app/tool/avaturn-me) | 70,111 | -28.5% | Freemium | Turn a single selfie into a realistic, riggable 3D avatar you can ship in games, apps and the metaverse | — | [.md](https://openaitools.app/tool/avaturn-me.md) |
| 507 | [Handwriting OCR](https://openaitools.app/tool/handwriting-ocr) | 52,212 | +96.2% | Freemium, Paid | Turn messy handwriting into clean, editable digital text | — | [.md](https://openaitools.app/tool/handwriting-ocr.md) |
| 508 | [Skyvern](https://openaitools.app/tool/skyvern) | 64,314 | -37.1% | Freemium | AI agents that automate browser workflows on any website | — | [.md](https://openaitools.app/tool/skyvern.md) |
| 509 | [Tapesearch](https://openaitools.app/tool/tapesearch) | 58,190 | +29.6% | Paid | Search what was said in any podcast and jump straight to the exact moment. | — | [.md](https://openaitools.app/tool/tapesearch.md) |
| 510 | [Rev AI](https://openaitools.app/tool/rev-ai) | 50,708 | -18.4% | Free Trial, Paid | Developer-first speech-to-text API with industry-leading accuracy | — | [.md](https://openaitools.app/tool/rev-ai.md) |
| 511 | [Monkt](https://openaitools.app/tool/monkt) | 51,826 | +47.4% | Paid | Turn any document into AI-ready Markdown or structured JSON | — | [.md](https://openaitools.app/tool/monkt.md) |
| 512 | [Helicone](https://openaitools.app/tool/helicone-ai) | 57,187 | -25.2% | Freemium, Free Trial, Paid, Contact for Pricing, Free | Open-source LLM observability and AI gateway for shipping reliable AI apps | — | [.md](https://openaitools.app/tool/helicone-ai.md) |
| 513 | [SocialKit](https://openaitools.app/tool/socialkit) | 46,226 | -24.2% | Freemium | One API to scrape transcripts, stats and profiles from YouTube, TikTok, Instagram and more | — | [.md](https://openaitools.app/tool/socialkit.md) |
| 514 | [CybeDefend](https://openaitools.app/tool/cybedefend) | 7,642 | +37.6% | Freemium, Contact for Pricing, Free | The security brain that keeps AI coding agents inside your rules | — | [.md](https://openaitools.app/tool/cybedefend.md) |
| 515 | [Rewarx Studio](https://openaitools.app/tool/rewarx-studio-ai-product-photography-virtual-studio) | 77,385 | -16.4% | Free Trial, Paid | AI product photography and virtual studio for e-commerce | — | [.md](https://openaitools.app/tool/rewarx-studio-ai-product-photography-virtual-studio.md) |
| 516 | [Gamma.AI](https://openaitools.app/tool/gamma-ai) | 71,636 | -26.2% | Contact for Pricing | AI-powered cloud DLP and security awareness training for SaaS environments | — | [.md](https://openaitools.app/tool/gamma-ai.md) |
| 517 | [Nightfall AI](https://openaitools.app/tool/nightfall-ai-for-zendesk) | 74,066 | -24.7% | Contact for Pricing | Inline data leak prevention for SaaS, AI agents and MCP | — | [.md](https://openaitools.app/tool/nightfall-ai-for-zendesk.md) |
| 518 | [Trestle IQ](https://openaitools.app/tool/trestleiq-com) | 20,623 | -10.4% | Free Trial, Contact for Pricing | Identity data APIs for phone verification, validation, and enrichment | — | [.md](https://openaitools.app/tool/trestleiq-com.md) |
| 519 | [TapTalent](https://openaitools.app/tool/taptalent) | 15,849 | -8.2% | Contact for Pricing | AI agents that source, interview, onboard and train your hires | — | [.md](https://openaitools.app/tool/taptalent.md) |
| 520 | [Samwell.ai](https://openaitools.app/tool/semihuman-ai) | 69,816 | -11.2% | Freemium | AI academic writing with real, verifiable citations | — | [.md](https://openaitools.app/tool/semihuman-ai.md) |
| 521 | [Respan](https://openaitools.app/tool/respan) | 91,503 | -14.5% | Freemium | Open-source AI gateway with observability and evals built in | — | [.md](https://openaitools.app/tool/respan.md) |
| 522 | [PlayerZero](https://openaitools.app/tool/playerzero) | 14,775 | -23.2% | Contact for Pricing | Collaborative AI agents for production software engineering | — | [.md](https://openaitools.app/tool/playerzero.md) |
| 523 | [Doubleword](https://openaitools.app/tool/doubleword) | 21,405 | -56.3% | Paid, Contact for Pricing | High-throughput open-weight inference with latency-based pricing | — | [.md](https://openaitools.app/tool/doubleword.md) |
| 524 | [Qdrant](https://openaitools.app/tool/qdrant-io) | 72,992 | -38.4% | Freemium, Contact for Pricing | Open-source, high-performance vector search at any scale | — | [.md](https://openaitools.app/tool/qdrant-io.md) |
| 525 | [TubeBuddy](https://openaitools.app/tool/tubebuddy-com) | 450,973 | -16.2% | Freemium, Paid, Contact for Pricing | YouTube SEO and channel-growth toolkit that lives inside YouTube Studio | — | [.md](https://openaitools.app/tool/tubebuddy-com.md) |
| 526 | [Manifest](https://openaitools.app/tool/manifest) | 54,135 | -23% | Free | The open-source LLM gateway that fixes your agents' requests on the fly | — | [.md](https://openaitools.app/tool/manifest.md) |
| 527 | [Unscreen Pro](https://openaitools.app/tool/unscreen) | 66,410 | -35.6% | Freemium | Remove video backgrounds automatically, no green screen needed | — | [.md](https://openaitools.app/tool/unscreen.md) |
| 528 | [Runner H](https://openaitools.app/tool/runner-h) | 45,054 | -32.6% | Freemium, Paid, Contact for Pricing | Computer-use AI agents that operate real apps and browsers | — | [.md](https://openaitools.app/tool/runner-h.md) |

Page 22 of 84 · [← Previous page](https://openaitools.app/index.md?q=API+Testing&page=21) · [Next page →](https://openaitools.app/index.md?q=API+Testing&page=23)

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)
