import { RestClientV5 } from '../../src'; const client = new RestClientV5({ testnet: true, key: 'apikey', secret: 'apisecret', }); client .getDeliveryPrice({ category: 'option', symbol: 'ETH-26DEC22-1400-C"', }) .then((response) => { console.log(response); }) .catch((error) => { console.error(error); });