Install the SDK

import { Tachyon } from "@tachyon/sdk";

const tachyon = new Tachyon({
  network: "testnet", // or "mainnet"
});

const ok = await tachyon.health();
console.log(ok); // { status: "healthy", networks: [...], chainInfo: {...} }

import { Tachyon } from "@tachyon/sdk/browser";

const tachyon = new Tachyon({ network: "testnet" });

const sig = await wallet.signMessage(`REGISTER_STEALTH:${userAddress}`);
const res = await fetch(`${RELAYER_URL}/recipient/addresses?address=${userAddress}&signature=${sig}`);
const { stealthAddresses } = await res.json();