APIToolkit (Monoscope)

Testkit (YAML API Testing DSL)

MIT-licensed Rust testing tool by the APItoolkit/Monoscope team that uses a simplified YAML DSL for defining API test scenarios and browser automation. Scripts persist in version control and can serve as both individual tests and load tests.

GitHub

Other Resources

🔗
SourceCode
https://github.com/monoscope-tech/testkit

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/testkit"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
aid: apitoolkit:testkit
name: Testkit (YAML API Testing DSL)
tags:
- API Testing
- Browser Automation
- CLI
humanURL: https://github.com/monoscope-tech/testkit
properties:
- url: https://github.com/monoscope-tech/testkit
  type: SourceCode
description: MIT-licensed Rust testing tool by the APItoolkit/Monoscope team that uses a simplified YAML
  DSL for defining API test scenarios and browser automation. Scripts persist in version control and can
  serve as both individual tests and load tests.