GramJS

const { Api, TelegramClient } = require("telegram");
const { StringSession } = require("telegram/sessions");

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result = await client.invoke(
    new Api.payments.ValidateRequestedInfo({
      invoice: new Api.InputInvoiceMessage({
        peer: "username",
        msgId: 43,
      }),
      info: new Api.PaymentRequestedInfo({
        name: "some string here",
        phone: "some string here",
        email: "some string here",
        shippingAddress: new Api.PostAddress({
          streetLine1: "some string here",
          streetLine2: "some string here",
          city: "some string here",
          state: "some string here",
          countryIso2: "some string here",
          postCode: "some string here",
        }),
      }),
      save: true,
    })
  );
  console.log(result); // prints the result
})();

import { Api, TelegramClient } from "telegram";
import { StringSession } from "telegram/sessions";

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result: Api.payments.ValidatedRequestedInfo = await client.invoke(
    new Api.payments.ValidateRequestedInfo({
      invoice: new Api.InputInvoiceMessage({
        peer: "username",
        msgId: 43,
      }),
      info: new Api.PaymentRequestedInfo({
        name: "some string here",
        phone: "some string here",
        email: "some string here",
        shippingAddress: new Api.PostAddress({
          streetLine1: "some string here",
          streetLine2: "some string here",
          city: "some string here",
          state: "some string here",
          countryIso2: "some string here",
          postCode: "some string here",
        }),
      }),
      save: true,
    })
  );
  console.log(result); // prints the result
})();