Arc Pay

Arc Pay is a safe, easy way for your AI agents to pay for physical or digital goods and services — autonomously, but on your terms.

Arc Pay supports the following payment methods:

• USDC payment
• Credit Card (soon)

How to use (docs)

• See reference
• x402 MCP docs are included in the API reference (/docs/api, section "x402 Payments (MCP)")
• Use included Postman collection
• Use npm run mcp:inspect to interact with MCP servers (for x402, target /x402)

Development

First install the dependencies.

npm install

Set the necessary environment variables.

cp .env.example .env

Start the local Redis instance using Docker Compose.

docker compose up -d

Then run the development server

npm run dev

The local development server should be running on port 3000.

open http://localhost:3000