Connect through NWC¶

Ask the user to create a Nostr Wallet Connect connection in their wallet and supply its nostr+walletconnect:// URI. Once the wallet is ready, query its balance and supported operations:

NWCUri uri = new NWCUri(connectionString);
NWCWallet wallet = new NWCWallet(pool, uri);
try {
    wallet.waitForReady().await();
    long balanceMsats = wallet.getBalance().await();
    boolean canPay = wallet
        .isMethodSupported(Wallet.Methods.payInvoice).await();
} finally {
    wallet.close();
}

Use try/finally to close the wallet: NWCWallet does not implement AutoCloseable.

The connection URI contains the secret that authorizes your app, so keep it out of logs and use protected storage if you retain it. Amounts are in millisatoshis. See wallet operations for invoices and payments.