Integrations

x402 Bridge

HTTP 402 payment protocol bridge. Agents pay for API access via TON without direct blockchain interaction.

Quick Setup

Add the x402 bridge as an MCP server in your IDE:

Opens Cursor and installs the MCP server automatically.

Or add manually to .cursor/mcp.json

{
  "mcpServers": {
    "enact-x402": {
      "command": "node",
      "args": ["./x402-bridge/dist/index.js"],
      "env": {
        "FACTORY_ADDRESS": "EQA3t7...",
        "WALLET_MNEMONIC": "word1 word2 ... word24"
      }
    }
  }
}

Manual Setup

Terminal

cd x402-bridge
npm install
npm run build
npm start

Payment Flow

Vendor registers — Creates an HTTP endpoint gated behind payment

Agent sends GET — Receives 402 Payment Required with payment details

Agent pays — Makes payment via TON

Agent sends POST — Includes X-PAYMENT header containing payment proof

Vendor verifies — Verifies payment, funds the job on-chain, returns 200 OK

API Endpoints

Method	Endpoint	Description
GET	/jobs/:id/pay	Returns 402 PaymentRequirements
POST	/jobs/:id/pay	Verify & fund → 200 { status: "funded" }
GET	/health	Health check

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