diff --git a/.env-cdp-example b/.env-cdp-example
new file mode 100644
index 0000000..3d71b24
--- /dev/null
+++ b/.env-cdp-example
@@ -0,0 +1,39 @@
+# START INFRASTRUCTURE SETUP
+
+# Full Node Connection
+export RPC_BASEURL=http://172.17.0.1:8332
+export RPC_USERNAME=bitcoin
+export RPC_PASSWORD=password
+
+# Fulcrum Indexer
+export FULCRUM_API=http://172.17.0.1:3001/v1
+
+# SLP Indexer
+export SLP_INDEXER_API=http://localhost:5010
+
+# REST API URL for wallet operations
+export LOCAL_RESTURL=http://localhost:5942/v6
+
+# END INFRASTRUCTURE SETUP
+
+
+# START ACCESS CONTROL
+
+export PORT=5942
+
+# x402 payments required to access this API?
+export X402_ENABLED=true
+export SERVER_BASE_ADDRESS=0xd32585CE60815654C50CAf350e18de8096061e63
+export X402_PRICE_USDC=0.1
+export x402_NETWORK=base
+
+# Coinbase CDP Facilitator (for Bazaar registration)
+export x402_FACILITATOR_URL=https://api.cdp.coinbase.com/platform/v2/x402
+export FACILITATOR_KEY_ID=your_key_id_here
+export FACILITATOR_SECRET_KEY=your_secret_key_here
+
+# Basic Authentication required to access this API?
+export USE_BASIC_AUTH=true
+export BASIC_AUTH_TOKEN=some-random-token
+
+# END ACCESS CONTROL
diff --git a/.env-example b/.env-example
index dbfa1fe..26159ab 100644
--- a/.env-example
+++ b/.env-example
@@ -25,14 +25,24 @@ export PORT=5942
 export X402_ENABLED=true
 export SERVER_BASE_ADDRESS=0xd32585CE60815654C50CAf350e18de8096061e63
 export X402_PRICE_USDC=0.1
-export x402_NETWORK=base
-export x402_FACILITATOR_URL=http://localhost:4022
 
+# Network configuration (CAIP-2 format required by CDP)
+# Use 'eip155:8453' for Base mainnet
+# Use 'eip155:84532' for Base Sepolia (testnet)
+export x402_NETWORK=eip155:8453
+
+# Facilitator URL
+# For Coinbase CDP (recommended): https://api.cdp.coinbase.com/platform/v2/x402
+# For custom/local facilitator: http://localhost:4022
+export x402_FACILITATOR_URL=https://api.cdp.coinbase.com/platform/v2/x402
+
+# CDP API Credentials (required when using CDP facilitator)
+# Get these from https://cdp.coinbase.com - API Keys section
+export FACILITATOR_KEY_ID=your_key_id_here
+export FACILITATOR_SECRET_KEY=your_secret_key_here
 
 # Basic Authentication required to access this API?
 export USE_BASIC_AUTH=true
 export BASIC_AUTH_TOKEN=some-random-token
 
 # END ACCESS CONTROL
-
-npm start
\ No newline at end of file
diff --git a/src/config/env/common.js b/src/config/env/common.js
index 130c84b..9d77b96 100644
--- a/src/config/env/common.js
+++ b/src/config/env/common.js
@@ -31,13 +31,20 @@ const normalizeBoolean = (value, defaultValue) => {
 const parsedPrice = Number(process.env.X402_PRICE_USDC)
 const priceUSDC = Number.isFinite(parsedPrice) && parsedPrice > 0 ? parsedPrice : 200
 
+// Network configuration: CDP requires CAIP-2 format (eip155:chainId)
+// base-sepolia = eip155:84532, base-mainnet = eip155:8453
+const x402Network = process.env.x402_NETWORK || 'eip155:8453'
+
 const x402Defaults = {
   enabled: normalizeBoolean(process.env.X402_ENABLED, true),
-  facilitatorUrl: process.env.x402_FACILITATOR_URL || 'http://localhost:4022',
+  // CDP Facilitator: https://api.cdp.coinbase.com/platform/v2/x402
+  // Custom/Local Facilitator: http://localhost:4022
+  facilitatorUrl: process.env.x402_FACILITATOR_URL || 'https://api.cdp.coinbase.com/platform/v2/x402',
   serverAddress: process.env.SERVER_BASE_ADDRESS || 'bitcoincash:qqsrke9lh257tqen99dkyy2emh4uty0vky9y0z0lsr',
   facilitatorKeyId: process.env.FACILITATOR_KEY_ID || '',
   facilitatorSecretKey: process.env.FACILITATOR_SECRET_KEY || '',
-  network: process.env.x402_NETWORK || 'base-sepolia',
+  // CDP requires CAIP-2 network format: eip155:8453 (base) or eip155:84532 (base-sepolia)
+  network: x402Network,
   priceUSDC
 }
 
diff --git a/src/config/x402.js b/src/config/x402.js
index d17a700..cb8215b 100644
--- a/src/config/x402.js
+++ b/src/config/x402.js
@@ -3,8 +3,6 @@ import { generateJwt } from '@coinbase/cdp-sdk/auth'
 
 const DEFAULT_DESCRIPTION = 'Access to protected psf-bch-api resources'
 const DEFAULT_TIMEOUT_SECONDS = 120
-const NETWORK = config.x402.network
-if (!NETWORK) throw new Error('x402_NETWORK env required!')
 
 /**
  * Builds a route configuration map for x402-bch middleware.
@@ -22,6 +20,10 @@ export function buildX402Routes (apiPrefix = '/v6') {
 
   const routeKey = `${prefixWithSlash}/*`
 
+  // Get network from config (now supports CAIP-2 format: eip155:8453)
+  const NETWORK = config.x402.network
+  if (!NETWORK) throw new Error('x402_NETWORK env required!')
+
   return {
     network: NETWORK,
     [routeKey]: {