fourzerotwo-si

fourzerotwo data API gateway

Pay-per-call data APIs for AI agents: 547 endpoints across 66 APIs covering UK company, property, legal and public-sector data, economics, research, web and domain tools. Every endpoint is a plain HTTPS GET that may return HTTP 402 with x402 payment requirements (USDC) and is served via a single MCP server. Most calls are free within a daily allowance; paid calls are billed per request.

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APIsJSON
https://artifacts.apis.io/fourzerotwo-si/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
name: fourzerotwo data API gateway
humanURL: https://fourzerotwo.si
baseURL: https://fourzerotwo.si
description: 'Pay-per-call data APIs for AI agents: 547 endpoints across 66 APIs covering UK company,
  property, legal and public-sector data, economics, research, web and domain tools. Every endpoint is
  a plain HTTPS GET that may return HTTP 402 with x402 payment requirements (USDC) and is served via a
  single MCP server. Most calls are free within a daily allowance; paid calls are billed per request.'
tags:
- Data
- API
- AI
- Payments
- MCP
aid: fourzerotwo-si:fourzerotwo-data-api-gateway