updates URL for facilitator

Author: cooganb

docs/pos/payments/x402/overview.md

@@ -19,7 +19,7 @@ Polygon currently supports x402 on Mainnet and Amoy through the following facili
 
 1. [x402.rs Facilitator Endpoint](https://facilitator.x402.rs/)
 2. [ThirdWeb](https://playground.thirdweb.com/payments/x402)
-3. Polygon Testnet Facilitator: https://x402.polygon.technology
+3. Polygon Testnet Facilitator: https://x402-amoy.polygon.technology
 
 Please note: For mainnet access through Polygon's Facilitator, 
 reach out for [access here.](https://t.me/PolygonHQ/32)

docs/pos/payments/x402/quickstart-buyers.md

@@ -72,7 +72,7 @@ import { wrapFetchWithPayment, decodeXPaymentResponse } from "x402-fetch";
 
 // wallet creation logic...
 
-const FACILITATOR_URL = process.env.FACILITATOR_URL || "https://x402.polygon.technology"
+const FACILITATOR_URL = process.env.FACILITATOR_URL || "https://x402-amoy.polygon.technology"
 const fetchWithPayment = wrapFetchWithPayment(fetch, client);
 
 const url = process.env.QUICKSTART_RESOURCE_URL || 'http://127.0.0.1:4021/weather';