Web3.js
You can also use web3.js to connect to Cyber Testnet and Mainnet.
Install
npm install --save web3
Setup
const { Web3 } = require("web3");
const web3 = new Web3("https://cyber-testnet.alt.technology/"); // Testnet rpc
Read data from Cyber
const latestBlock = await web3.eth.getBlockNumber();