> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3os.org/llms.txt
> Use this file to discover all available pages before exploring further.

# V2 DEX Remove Liquidity

Remove liquidity from V2-compatible DEX pools (Uniswap V2, SushiSwap, PancakeSwap). Burns LP tokens and returns underlying token pair. Supports token/token and token/ETH pairs. Configurable slippage and deadline. Ideal for: exiting positions, rebalancing, withdrawing from yield farms, LP management.

![V2 DEX Remove Liquidity logo](https://cdn.b3.fun/b3os-icons/uniswap.svg)
Catalog action EVM Onchain wallet Gas receive

Remove liquidity from V2-compatible DEX pools (Uniswap V2, SushiSwap, PancakeSwap). Burns LP tokens and returns underlying token pair. Supports token/token and token/ETH pairs. Configurable slippage and deadline. Ideal for: exiting positions, rebalancing, withdrawing from yield farms, LP management.

**Review wallet and value movement**

This action can require a wallet connector, gas, token movement, or an external side effect. Test with simulation or a controlled amount before using it in a live workflow.

## At a Glance

| Field | Value |
| --- | --- |
| Action ID | `v2-remove-liquidity` |
| Category | EVM Onchain |
| Connector | `wallet` |
| Requires gas | Yes |
| Funds movement | `receive` |
| Tags | `blockchain`, `evm`, `dex`, `liquidity`, `lp`, `amm`, `defi`, `withdraw`, `v2` |

## Payload Schema

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `chainId` | `number` | Yes | Chain |
| `tokenA` | `string` | Yes | First token address \(use 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for native ETH\) |
| `tokenB` | `string` | Yes | Second token address \(use 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for native ETH\) |
| `liquidity` | `string` | Yes | Amount of LP tokens to remove \(in wei\) |
| `amountAMin` | `string` | No | Minimum amount of tokenA to receive. If not provided, calculated from slippage. |
| `amountBMin` | `string` | No | Minimum amount of tokenB to receive. If not provided, calculated from slippage. |
| `slippageBps` | `number` | No | Slippage tolerance in basis points \(100 = 1%\). Default: 50 \(0.5%\). Used when amountAMin/amountBMin not provided. |
| `deadlineMinutes` | `number` | No | Transaction deadline in minutes from now. Default: 20 |
| `routerAddress` | `string` | No | Optional custom router address. If not provided, uses default V2 router for the chain. |
| `pairAddress` | `string` | No | Optional LP pair contract address. If not provided, will be fetched from factory. |

## Result Schema

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `status` | `string` | Yes | - |
| `transactionHash` | `string` | Yes | The transaction hash |
| `amountA` | `string` | No | Amount of tokenA received |
| `amountB` | `string` | No | Amount of tokenB received |
| `liquidityRemoved` | `string` | No | Amount of LP tokens removed |

## Examples

**Workflow node**

```json
{
  "type": "v2-remove-liquidity",
  "payload": {
    "tokenA": "ETH",
    "tokenB": "ETH",
    "liquidity": "example-liquidity",
    "chainId": 8453
  },
  "children": [],
  "connector": {
    "type": "wallet",
    "id": "conn_wallet"
  }
}
```
  **Test with API**

```bash
curl -X POST "https://api.b3os.org/v1/actions/v2-remove-liquidity/test" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "inputs": {
    "tokenA": "ETH",
    "tokenB": "ETH",
    "liquidity": "example-liquidity",
    "chainId": 8453
  }
}'
```

**Use expressions for dynamic values**

Payload fields can use workflow expressions such as `{{$trigger.body.amount}}`, `{{$nodes.fetch.result.price}}`, and `{{$props.asset}}` when the value should come from a trigger, prior node, or reusable workflow prop.