updates facilitators and intake link

Author: cooganb

docs/pos/payments/x402/overview.md

@@ -17,12 +17,13 @@ agent-to-agent transactions, and micropayments.
 
 Polygon currently supports x402 on Mainnet and Amoy through the following facilitators:
 
-1. [x402.rs Facilitator Endpoint](https://facilitator.x402.rs/)
+1. Polygon Testnet Facilitator: https://x402-amoy.polygon.technology
 2. [ThirdWeb](https://playground.thirdweb.com/payments/x402)
-3. Polygon Testnet Facilitator: https://x402-amoy.polygon.technology
+3. [x402.rs Facilitator Endpoint](https://facilitator.x402.rs/)
+4. [Pay.AI](https://payai.network/)
 
 Please note: For mainnet access through Polygon's Facilitator, 
-reach out for [access here.](https://t.me/PolygonHQ/32)
+reach out for [access here.](https://info.polygon.technology/devrel-intake-form)
 
 The following guides will show how to use x402 on Polygon. 
 The x402 community also has

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

@@ -44,8 +44,8 @@ Integrate the payment middleware into your application. You will need
 to provide:
 
 * The Facilitator URL or facilitator object. For testing, 
-use `https://facilitator.x402.rs/` which works on Polygon Mainnet and Amoy.
-* For a facilitator access on Polygon, please contact us [here.](https://t.me/PolygonHQ/32)
+use `https://x402-amoy.polygon.technology` which works on Polygon Amoy testnet.
+* For a facilitator access on Polygon, please contact us [here.](https://info.polygon.technology/devrel-intake-form)
 * The routes you want to protect.
 * Your receiving wallet address.