Api testing
AI tools that help with api testing (testing, developer tools).
155 tools, ranked by editorial picks and quality score. Unverified entries are labelled.
- 1
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
Freeunverified - 2
Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.
Freeunverified - 3
Open-source autonomous AI penetration testing. 50 specialist agents across web, API, cloud, Active Directory, Kubernetes, CI/CD and AI/LLM (OWASP LLM Top 10). Runs on a local LLM behind a Privacy Gateway. Integrates with GitHub, GitLab, Jenkins, VS Code, JetBrains, n8n, Grafana & Splunk.
Freeunverified - 4
Visual no-code AI workflow builder for SEO, marketing, and sales teams. Drag-and-drop agentic AI workflows with 100+ templates, prompt testing across GPT/Claude/Gemini, and one-click deployment as APIs or embeddable apps. Free tier available.
Freeunverified - 5
Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman collections, OpenAPI specs, and environments via Model Context Protocol (MCP)
Freeunverified - 6
Laravel integration for the Anthropic API: facade, config publishing, install command, testing fakes, messages, streaming, tool use, thinking, and batches.
Freeunverified - 7
Idiomatic Clojure wrapper for Playwright. Browser automation, API testing, Allure reporting, and native CLI - for Chromium, Firefox, and WebKit
Freeunverified - 8
Verify which LLM an OpenAI-compatible API really serves — single-token behavioral fingerprinting (Jensen-Shannon) from the paper "One Token Is Enough" (arXiv:2607.10252). Zero-dependency TypeScript library + CLI. Catches model substitution by resellers & gateways.
Freeunverified - 9
text generation model by nm-testing on Hugging Face (transformers). 6,842 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 10
Convert plain English test specs into self-healing Playwright tests using AI. Browser exploration, auto-fix, load/security/API/LLM testing. Open source.
Freeunverified - 11
text generation model by nm-testing on Hugging Face. 350,390 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 12
text generation model by bigscience on Hugging Face (transformers). 9,324 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 13
text generation model by nm-testing on Hugging Face (Model Optimizer). 2,631 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 14
text generation model by trl-internal-testing on Hugging Face (transformers). 142,584 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 15
text generation model by explosion-testing on Hugging Face (transformers). 18,047 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 16
AI model by peft-internal-testing on Hugging Face (peft). 23,642 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 17
text generation model by explosion-testing on Hugging Face (transformers). 3,150 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 18
text generation model by explosion-testing on Hugging Face (transformers). 4,504 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 19
text generation model by nm-testing on Hugging Face (transformers.js). 8,584 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 20
text generation model by explosion-testing on Hugging Face (transformers). 3,067 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 21
text generation model by peft-internal-testing on Hugging Face (transformers). 212,424 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 22
text generation model by optimum-intel-internal-testing on Hugging Face. 85,214 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 23
AI model by optimum-intel-internal-testing on Hugging Face (transformers). 9,690 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 24
AI model by optimum-intel-internal-testing on Hugging Face (transformers). 9,371 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 25
text generation model by optimum-intel-internal-testing on Hugging Face (transformers). 57,180 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 26
text generation model by fxmarty on Hugging Face (transformers). 15,165 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 27
text generation model by explosion-testing on Hugging Face (transformers). 2,581 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 28
text generation model by trl-internal-testing on Hugging Face (transformers). 23,715 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 29
text generation model by trl-internal-testing on Hugging Face (transformers). 198,437 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 30
text generation model by np-cr on Hugging Face (transformers). 4,794 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 31
text generation model by afmck on Hugging Face (transformers). 26,280 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 32
text generation model by np-cr on Hugging Face (transformers). 9,378 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 33
text generation model by trl-internal-testing on Hugging Face (transformers). 85,668 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 34
text generation model by trl-internal-testing on Hugging Face (transformers). 92,541 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 35
text generation model by trl-internal-testing on Hugging Face (transformers). 78,798 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 36
text generation model by trl-internal-testing on Hugging Face (transformers). 9,219 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 37
text generation model by trl-internal-testing on Hugging Face (transformers). 63,966 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 38
text generation model by trl-internal-testing on Hugging Face (transformers). 40,438 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 39
image text to text model by trl-internal-testing on Hugging Face (transformers). 67,427 downloads in the last 30 days as of 2026-10-15.
Freeunverified - 40
text generation model by trl-internal-testing on Hugging Face (transformers). 42,292 downloads in the last 30 days as of 2026-10-15.
Freeunverified