Launch tokens from code.
Your wallet signs. Always.

const BASE = 'https://tokenrouter.fun/api/v1';
const KEY = process.env.TOKENROUTER_API_KEY; // tr_live_…
const auth = { authorization: `Bearer ${KEY}` };

async function api(path: string, body?: unknown) {
  const res = await fetch(BASE + path, {
    method: body ? 'POST' : 'GET',
    headers: { ...auth, 'content-type': 'application/json' },
    body: body ? JSON.stringify(body) : undefined
  });
  // errors: application/problem+json { code, detail }
  if (!res.ok) throw await res.json();
  return res.json();
}

// Image: raw bytes in, public URL out (≤ 5 MB)
const { url: imageUrl } = await fetch(BASE + '/uploads', {
  method: 'POST',
  headers: { ...auth, 'content-type': 'image/png' },
  body: await readFile('token.png')
}).then((r) => r.json());

import { Connection, Keypair, VersionedTransaction } from '@solana/web3.js';

const wallet = Keypair.fromSecretKey(mySecretKey); // stays on your machine
const connection = new Connection(process.env.SOLANA_RPC_URL!);

const prep = await api('/launch/prepare', {
  pad: 'pumpfun',
  creator: wallet.publicKey.toBase58(), // must be the key's wallet
  card: {
    name: 'Router Cat',
    symbol: 'RCAT',
    imageUrl,
    links: { website: 'https://routercat.xyz', x: '@routercat', telegram: '@routercat' }
  },
  options: { devBuy: '0.1' }
});

const txIds: string[] = [];
for (const step of prep.steps) {
  const bytes = Buffer.from(step.tx.transaction, 'base64');
  const tx = VersionedTransaction.deserialize(bytes);
  tx.sign([wallet]); // keeps the single-use mint signature
  const sig = await connection.sendTransaction(tx);
  await connection.confirmTransaction(sig, 'confirmed');
  txIds.push(sig);
}

const launch = await api('/launch/confirm', {
  launchId: prep.launchId,
  txIds
});
console.log(launch.token, launch.padUrl);