Get transactions from CoinKeeper

sync.js

const fetch = require("node-fetch");

const BATCH_SIZE = 5000;
const USER_ID = "...";
const AUTH =  "...";

async function getTransactions(body) {
  return fetch("https://coinkeeper.me/api/transaction/get", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      Cookie: `__AUTH_cookie=${AUTH};`,
    },
    body: JSON.stringify(body),
  }).then((r) => r.json());
}

async function getAllTransactions(acc = []) {
  const data = await getTransactions({
    userId: USER_ID,
    take: BATCH_SIZE,
    skip: acc.length,
  });
  acc = [...acc, ...data.transactions];
  if (data.transactions.length) {
    return getAllTransactions(acc);
  }
  return acc;
}

(async () => {
  const transaction = await getAllTransactions();
  console.log(transaction);
  console.log(transaction.length);
})();