phonepe-implementation.js

async function getPayPageUrl(marchentUserId, amount) {
  try {
    const txnId = randomUUID();
    const muId = marchentUserId || randomUUID();
    const merchantTransactionId = txnId;
    const data = {
      merchantId: PHONEPE_MARCHENT_ID,
      merchantTransactionId: txnId,
      merchantUserId: muId,
      // name: req.body.name,
      amount: amount * 100,
      // mobileNumber: req.body.number,
      paymentInstrument: { type: "PAY_PAGE" },

      redirectUrl: "https://www.jarurat.care",
      redirectMode: "REDIRECT",
      callbackUrl: "https://www.jarurat.care",
    };

    const payload = JSON.stringify(data);
    const payloadMain = Buffer.from(payload).toString("base64");
    const keyIndex = 1;
    const string = payloadMain + "/pg/v1/pay" + SALT_KEY;
    const sha256 = createHash("sha256").update(string).digest("hex");
    const checksum = sha256 + "###" + SALY_INDEX;

    const prodURL = "https://api.phonepe.com/apis/hermes/pg/v1/pay";
    const options = {
      method: "POST",
      url: prodURL,
      headers: {
        accept: "application/json",
        "Content-Type": "application/json",
        "X-VERIFY": checksum,
      },
      data: {
        request: payloadMain,
      },
    };

    const resp = await fetch(prodURL, {
      method: "POST",
      headers: {
        accept: "application/json",
        "Content-Type": "application/json",
        "X-VERIFY": checksum,
        "X-VERIFY": checksum,
        "X-VERIFY": checksum,
      },
      body: JSON.stringify({ request: payloadMain }),
    });

    const json = await resp.json();

    return json;
  } catch (err) {
    console.log(err);
  }
}