42Crunch

42Crunch API Protection

42Crunch API Protection deploys an API-native micro firewall (API Firewall) that provides runtime defense against API attacks. The firewall is tailor-made for each API based on its OpenAPI specification and enforces API contract compliance in real time, blocking malformed requests and unauthorized access.

GitHub

Documentation

📖
Documentation
https://docs.42crunch.com/latest/content/home.htm

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/42crunch-api-protection"
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 email required.

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: 42crunch:42crunch-api-protection
name: 42Crunch API Protection
tags:
- API Security
- Runtime Protection
- Firewall
- API Gateway
humanURL: https://docs.42crunch.com/latest/content/home.htm
properties:
- url: https://docs.42crunch.com/latest/content/home.htm
  type: Documentation
description: 42Crunch API Protection deploys an API-native micro firewall (API Firewall) that provides
  runtime defense against API attacks. The firewall is tailor-made for each API based on its OpenAPI specification
  and enforces API contract compliance in real time, blocking malformed requests and unauthorized access.