Kucoin: Pre-Request Script for Postman

pre-request-KuCoin.js

// Use this to sign postman http requests to the KuCoin API
// dont forget to set KC-API-KEY as well as KC-API-PASSPHRASE as headers and to replace the secret used below.


const timestamp = Date.now();

const body = request.body ? request.body : '';
const method = request.method;
const [, endpoint] = request.url.split('https://api.kucoin.com');

const signature = timestamp + method + endpoint + body;

const hash = CryptoJS.HmacSHA256(signature,"YOUR-SECRET");

pm.request.headers.add({
    key: 'KC-API-SIGN',
    value: hash.toString(CryptoJS.enc.Base64)
});

pm.request.headers.add({
    key: 'KC-API-TIMESTAMP',
    value: timestamp
});

POST https://api.kucoin.com/api/v1/accounts

{
"code": "400005",
"msg": "Invalid KC-API-SIGN"
}

POST https://api.kucoin.com/api/v1/accounts

{
"code": "400005",
"msg": "Invalid KC-API-SIGN"
}

Replace the KC-API-SIGN value with;
CryptoJS.enc.Base64.stringify(hash)