TypeScript SDK

npm install @justifun/sdk

import { Justi } from "@justifun/sdk";

const justi = new Justi({
  apiKey: process.env.JUSTI_API_KEY, // optional
  // baseUrl, fetch, timeoutMs (45000), retries (2, GET only), onRateLimit
});
justi.rateLimit; // RateLimit headers of the last response

import { VersionedTransaction } from "@solana/web3.js";
import { useWallet } from "@solana/wallet-adapter-react";
import { Justi } from "@justifun/sdk";

const justi = new Justi({ VersionedTransaction });

function BuyButton({ mint }: { mint: string }) {
  const wallet = useWallet();
  return <button onClick={() => justi.buy({ mint, sol: 0.1, signer: wallet })}>Buy 0.1 SOL</button>;
}

import { JustiError } from "@justifun/sdk";
try {
  await justi.buy({ mint, sol: 1, signer });
} catch (e) {
  if (e instanceof JustiError) console.log(e.code, e.status, e.message, e.details, e.retryAfter);
}