Polygon Tracks 101
summary
A demo shows an HTTP-native payments flow where a buyer hits a paid endpoint (localhost:4021), receives 402 Payment Required, pays $1 through a shared facilitator which handles gas and verification, and the facilitator settles on Polygon testnet while returning weather data (“sunny, 70”) and a receipt. Code is TypeScript using X42 Express and X42 Fetch packages; the facilitator URL is pre-funded for testing. Cloudflare-style pay-to-crawl and grant opportunities are proposed.
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chapters (13)
- 0:00Start
- 0:02Introduction & Hackathon Overview
- 0:31Polygon Payments Track with X42 Protocol
- 1:32What is X42 and How It Works
- 3:21Agentic Payments Flow (Buyer, Seller, Facilitator)
- 4:41Live Demo: Weather API Payment Example
- 7:04Building Paid MCP Tools with X42
- 8:15Why Use X42: Standardized Agent Payments
- 8:59Technical Setup: TypeScript, Express, and Fetch Packages
- 9:41Role of the Facilitator (Gasless Transactions)
- 10:32Project Ideas & Use Cases for X42
- 11:14Cloudflare “Pay-to-Crawl” Example
- 12:18Polygon’s Future Support & Builder Opportunities
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