Private Beta—Found a bug or have feedback? Share it →

1 key. 34 APIs. 64 MCP tools.

Structured external data for AI agents and developers — not just search answers.

// Combine 3 APIs through one gateway

const

[weather, price, tz] = await Promise.all([
  client.call('weather', '/current', { latitude: 41.88, longitude: -87.63 }),
  client.call('crypto-prices', '/price', { ids: 'bitcoin' }),
  client.call('timezone', '/current', { timezone: 'America/Chicago' }),
])

// One key. Three APIs. Structured JSON.

See live demos →Get API Access

Private beta · 34 APIs available · No credit card required

How it works

Try a live demo

No signup needed. See real structured data from multiple APIs in a single call — weather, crypto, country data, and more.

Get access

Join the waitlist and receive an invite code. One API key unlocks every API in the catalog.

Start building

Use the REST API, Node/Python SDK, or connect Claude Desktop via MCP. Credentials managed. Responses normalized.

Popular APIs

weather

Air Quality

Current air quality index (AQI) and pollutant levels (PM2.5, PM10, ozone, NO₂) by coordinates. Free via Open-Meteo, no key required.

trading

Coinbase Rates

Live cryptocurrency and fiat exchange rates from Coinbase. Supports 150+ currencies and all major crypto assets. Free, no key required.

education

Countries

Country data including name, capital, population, area, region, currencies, and languages. Lookup by name or ISO code. Free, no key required.

trading

Crypto Prices

Cryptocurrency prices, market cap, and 24h change via CoinGecko. Supports 10,000+ coins. Free, no key required for basic usage.

economics

Currency Exchange

Live currency exchange rates for 150+ currencies. Updated hourly. Free, no key required.

education

Dictionary

English word definitions, phonetics, and meanings from the Free Dictionary API. Look up any English word. Free, no key required.

View all APIs →

MCP — Model Context Protocol

Connect Claude and AI agents to 64 tools across 34 APIs in one step.

Our MCP server exposes every API in the catalog as a native tool for Claude Desktop, Cursor, and any MCP-compatible agent. No per-API setup. Already have a key? Add it and ask Claude anything. No key yet? See what it does first.

Try live demos →MCP setup guide

claude_desktop_config.json — replace with your key

{
  "mcpServers": {
    "clearinghouse": {
      "url": "https://mcp.apiclearinghouse.com/mcp",
      "headers": {
        "X-Api-Key": "chk_live_..."
      }
    }
  }
}

Then ask Claude: “What's the Bitcoin price?”

Private Beta

Get API Access

API Clearinghouse is currently in private beta. Join the waitlist and tell us what you're building. We'll send you an invite as soon as your spot is ready.

Join the Private Beta Waitlist

No credit card required · 34 APIs available on day one