# JavaScript

```javascript
import { Connection, PublicKey, Keypair, SystemProgram, TransactionMessage, VersionedTransaction } from "@solana/web3.js";

const NOZOMI_ENDPOINT = "https://nozomi.temporal.xyz/api/sendTransaction2?c=<YOUR_API_KEY>";
const NOZOMI_TIP = new PublicKey("TEMPaMeCRFAS9EKF53Jd6KpHxgL47uWLcpFArU1Fanq");
const MIN_TIP_AMOUNT = 1_000_000;

const SOLANA_RPC_ENDPOINT = "https://api.mainnet-beta.solana.com";

async function sendNozomiTxn(ixns, signer, nozomiEndpoint, solanaRpcClient) {
    const tipIxn = SystemProgram.transfer({
        fromPubkey: signer.publicKey,
        toPubkey: NOZOMI_TIP,
        lamports: MIN_TIP_AMOUNT
    });
    ixns.push(tipIxn);

    const { blockhash } = await solanaRpcClient.getLatestBlockhash();

    const messageV0 = new TransactionMessage({
        payerKey: signer.publicKey,
        recentBlockhash: blockhash,
        instructions: ixns,
    }).compileToV0Message();

    const versionedTxn = new VersionedTransaction(messageV0);
    versionedTxn.sign([signer]);

    const txnBytes = versionedTxn.serialize();
    const txnBase64 = Buffer.from(txnBytes).toString('base64');

    const response = await fetch(nozomiEndpoint, {
        method: 'POST',
        headers: {
            'Content-Type': 'text/plain',
        },
        body: txnBase64
    });

    if (!response.ok) {
        const errorText = await response.text();
        throw new Error(`Transaction failed with status ${response.status}: ${errorText}`);
    }

    // api v2 does not return a signature, just check for success
    console.log('Transaction sent successfully');
}

function buildIxns() {
    // your instruction building logic here..
    return [];
}

async function main() {
    const solanaRpcClient = new Connection(SOLANA_RPC_ENDPOINT);

    // replace with actual keypair loading logic
    const signer = Keypair.generate();

    const ixns = buildIxns();

    await sendNozomiTxn(ixns, signer, NOZOMI_ENDPOINT, solanaRpcClient);
}

main().catch(err => {
    console.error(err);
});
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://use.temporal.xyz/nozomi/transaction-submission-api-v2/javascript.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.