> For the complete documentation index, see [llms.txt](https://docs.ston.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ston.fi/developer-section/dex/sdk/legacy/v0.5/lp_burn.md).

# Burn LP Tokens (v0.5)

Burn all liquidity tokens to free liquidity from a pool

```typescript
import TonWeb from "tonweb";
import { DEX } from "@ston-fi/sdk";

const USER_WALLET_ADDRESS = ""; // ! replace with your address
const JETTON_0_ADDRESS = "EQA2kCVNwVsil2EM2mB0SkXytxCqQjS4mttjDpnXmwG9T6bO"; // STON
const JETTON_1_ADDRESS = "EQBX6K9aXVl3nXINCyPPL86C4ONVmQ8vK360u6dykFKXpHCa"; // GEMSTON

const router = new DEX.v1.Router({
  tonApiClient: new TonWeb.HttpProvider(),
});

const pool = await router.getPool({
  token0: JETTON_0_ADDRESS,
  token1: JETTON_1_ADDRESS,
});

if (!pool) {
  throw Error(`Pool for ${JETTON_0_ADDRESS}/${JETTON_1_ADDRESS} not found`);
}

const lpTokenWallet = await pool.getJettonWallet({
  ownerAddress: USER_WALLET_ADDRESS,
});
const lpTokenWalletData = await lpTokenWallet.getData();

const txParams = await pool.buildBurnTxParams({
  amount: lpTokenWalletData.balance,
  responseAddress: USER_WALLET_ADDRESS,
  queryId: 12345,
});

// To execute the transaction, you need to send a transaction to the blockchain.
// This code will be different based on the wallet you are using to send the tx from
// logging is used for demonstration purposes
console.log({
  to: txParams.to,
  amount: txParams.gasAmount,
  payload: txParams.payload,
});
```


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