Can you share the error from the Postman, calling the API directly ?

Here is the result when calling the API, absolutely no error, however payUrl is still not accessible

I checked the transaction status via orderId, and it said "transaction has been initiated, awaiting payment"

const test = async () => {
    //https://developers.momo.vn/#/docs/en/aiov2/?id=payment-method
    //parameters
    var accessKey = 'F8BBA842ECF85';
    var secretKey = 'K951B6PE1waDMi640xX08PD3vg6EkVlz';
    var orderInfo = 'pay with MoMo';
    var partnerCode = 'MOMO';
    var redirectUrl = 'google.com';
    var ipnUrl = 'https://webhook.site/b3088a6a-2d17-4f8d-a383-71389a6c600b';
    var requestType = 'payWithMethod';
    var amount = '50000';
    var orderId = partnerCode + new Date().getTime();
    var requestId = orderId;
    var extraData = '';
    var paymentCode =
        'T8Qii53fAXyUftPV3m9ysyRhEanUs9KlOPfHgpMR0ON50U10Bh+vZdpJU7VY4z+Z2y77fJHkoDc69scwwzLuW5MzeUKTwPo3ZMaB29imm6YulqnWfTkgzqRaion+EuD7FN9wZ4aXE1+mRt0gHsU193y+yxtRgpmY7SDMU9hCKoQtYyHsfFR5FUAOAKMdw2fzQqpToei3rnaYvZuYaxolprm9+/+WIETnPUDlxCYOiw7vPeaaYQQH0BF0TxyU3zu36ODx980rJvPAgtJzH1gUrlxcSS1HQeQ9ZaVM1eOK/jl8KJm6ijOwErHGbgf/hVymUQG65rHU2MWz9U8QUjvDWA==';
    var orderGroupId = '';
    var autoCapture = true;
    var lang = 'vi';

    //before sign HMAC SHA256 with format
    //accessKey=$accessKey&amount=$amount&extraData=$extraData&ipnUrl=$ipnUrl&orderId=$orderId&orderInfo=$orderInfo&partnerCode=$partnerCode&redirectUrl=$redirectUrl&requestId=$requestId&requestType=$requestType
    var rawSignature =
        'accessKey=' +
        accessKey +
        '&amount=' +
        amount +
        '&extraData=' +
        extraData +
        '&ipnUrl=' +
        ipnUrl +
        '&orderId=' +
        orderId +
        '&orderInfo=' +
        orderInfo +
        '&partnerCode=' +
        partnerCode +
        '&redirectUrl=' +
        redirectUrl +
        '&requestId=' +
        requestId +
        '&requestType=' +
        requestType;
    //puts raw signature
    console.log('--------------------RAW SIGNATURE----------------');
    console.log(rawSignature);
    //signature
    const crypto = require('crypto');
    var signature = crypto.createHmac('sha256', secretKey).update(rawSignature).digest('hex');
    console.log('--------------------SIGNATURE----------------');
    console.log(signature);

    //json object send to MoMo endpoint
    const requestBody = JSON.stringify({
        partnerCode: partnerCode,
        partnerName: 'Test',
        storeId: 'MomoTestStore',
        requestId: requestId,
        amount: amount,
        orderId: orderId,
        orderInfo: orderInfo,
        redirectUrl: redirectUrl,
        ipnUrl: ipnUrl,
        lang: lang,
        requestType: requestType,
        autoCapture: autoCapture,
        extraData: extraData,
        orderGroupId: orderGroupId,
        signature: signature,
    });
    const option = {
        method: 'POST',
        url: 'https://test-payment.momo.vn/v2/gateway/api/create',
        headers: {
            'Content-Type': 'application/json',
            'Content-Length': Buffer.byteLength(requestBody),
        },
        data: requestBody,
    };
    let result;
    try {
        result = await axios(option);
        return result.data;
    } catch (err) {
        throw err;
    }
};

 i used the code in this payment/nodejs/CollectionLink.js at master · momo-wallet/payment (github.com) to test but nothing change is this Momo’s problem?