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[X402] Update payment data retrieval example in server documentation #8537

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[X402] Update payment data retrieval example in server documentation #8537

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7 changes: 4 additions & 3 deletions apps/portal/src/app/x402/server/page.mdx
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Expand Up @@ -55,7 +55,7 @@ Use `settlePayment()` to verify and settle the payment in one step. This is the
const result = await settlePayment({
resourceUrl: "https://api.example.com/premium-content",
method: "GET",
paymentData,
paymentData: request.headers.get("x-payment"),
payTo: "0x1234567890123456789012345678901234567890",
network: arbitrum,
price: "$0.10",
Expand Down Expand Up @@ -93,7 +93,7 @@ Here's a high level example of how to use the `upto` payment scheme with a dynam
const paymentArgs = {
resourceUrl: "https://api.example.com/premium-content",
method: "GET",
paymentData,
paymentData: request.headers.get("x-payment"),
payTo: "0x1234567890123456789012345678901234567890",
network: arbitrum,
scheme: "upto", // enables dynamic pricing
Expand Down Expand Up @@ -135,7 +135,8 @@ You can call verifyPayment() and settlePayment() multiple times using the same p
You can retrieve the previously signed paymentData from any storage mechanism, for example:

```typescript
const paymentData = retrievePaymentDataFromStorage(userId, sessionId); // example implementation, can be any storage mechanism
// example implementation: get payment data from storage, if not present, use the payment data from the request headers
const paymentData = retrievePaymentDataFromStorage(userId, sessionId) || request.headers.get("x-payment");
const paymentArgs = { ...otherPaymentArgs, paymentData };

// verify paymentData is still valid
Expand Down
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