// Usage in a Next.js API route
import { verifyPayment, facilitator } from "thirdweb/x402";
import { createThirdwebClient } from "thirdweb";
const client = createThirdwebClient({
secretKey: process.env.THIRDWEB_SECRET_KEY,
});
const thirdwebFacilitator = facilitator({
client,
serverWalletAddress: "0x1234567890123456789012345678901234567890",
});
export async function GET(request: Request) {
const paymentData = request.headers.get("x-payment");
const result = await verifyPayment({
resourceUrl: "https://api.example.com/premium-content",
method: "GET",
paymentData,
payTo: "0x1234567890123456789012345678901234567890",
network: "eip155:84532", // CAIP2 format: "eip155:<chain_id>"
price: "$0.10", // or { amount: "100000", asset: { address: "0x...", decimals: 6 } }
facilitator: thirdwebFacilitator,
routeConfig: {
description: "Access to premium API content",
mimeType: "application/json",
maxTimeoutSeconds: 300,
},
});
if (result.status === 200) {
// Payment verified and settled successfully
return Response.json(
{ data: "premium content" },
{
headers: result.responseHeaders,
},
);
} else {
// Payment required
return Response.json(result.responseBody, {
status: result.status,
headers: result.responseHeaders,
});
}
}