# Trade with MEV Protection

This section guides how users can perform MEV-protected transactions on Ethereum mainnet, be it swapping, token transferring, or liquidity provisioning, and will be achieved using Flashbots.&#x20;

<figure><img src="/files/rwrmLxAenXy0CSaNKggm" alt="" width="375"><figcaption></figcaption></figure>

### Enabling MEV Protection involves passing the raw transaction generated from any of the blockchain POST transactions.

**API URL:** [`https://api.expand.network/chain/sendtransaction`](/integrations/blockchains/evm-based-blockchains/ethereum.md#sendtransaction)

***

**Sample Request:**

```json
{
    "chainId":"1",
    "rawTransaction": "0xf8a68205180f82753e94dc31ee1784292379fbb2964b3b9c4124d8f89c6080b844a9059cbb000000000000000000000000a67e9b68c41b0f26184d64c26e0b2b81466e5994000000000000000000000000000000000000000000000000000000174876e8002ea0952b0468aff066f3e00a1d476b8894d84bfc47a1a3cdab9d6809a3461cc713e5a018219ee382aa3c7edf73a87bd8a75e2c40a97efbdf56a6cfd353af06fb74101d",
    "mevProtection": true
}
```

***

**Sample Response:**&#x20;

```json
{
    "status": 200,
    "msg": "success",
    "data": {
        "txHash": "0xd9cdf1483a85aa206625c66fea49059b96ffae1c086f76664cfa3f91a495d73a"
    }
}
```

### Users can fetch Flashbot blocks, transactions, and bundle data using the following endpoints:

**1. API URL**: [`https://api.expand.network/chain/getflashbotblocks`](/integrations/blockchains/evm-based-blockchains/ethereum.md#getflashbotblocks)

**Sample Request:**

```url
https://api.expand.network/chain/getflashbotblocks?chainId=1
```

**Sample Response:**&#x20;

```json
{
  "status": 200,
  "msg": "success",
  "data": {
      "totalPages": "535",
      "currentPage": "509",
      "transactions":[
        {
          "block_signed_at": "2023-11-21T12:04:47Z",
          "block_height": 18620016,
          "block_hash": "0x1e424e1f2037a4a4bb89cc2614f5ebbba61612806f665f9c9c712a08d284c699",
          "tx_hash": "0xd57f92e13f0fad7d6a7540f55cc653d584793aea27be935c78df5759845eaad4",
          "tx_offset": 119,
          "successful": true,
          "miner_address": "0x95222290dd7278aa3ddd389cc1e1d165cc4bafe5",
          "from_address": "0x95222290dd7278aa3ddd389cc1e1d165cc4bafe5",
          "from_address_label": null,
          "to_address": "0x388c818ca8b9251b393131c08a736a67ccb19297",
          "to_address_label": null,
          "value": "25407585008794343",
          "value_quote": 49.371036777116664,
          "pretty_value_quote": "$49.37",
          "gas_metadata": {
              "contract_decimals": 18,
              "contract_name": "Ether",
              "contract_ticker_symbol": "ETH",
              "contract_address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
              "supports_erc": null,
              "logo_url": "https://www.datocms-assets.com/86369/1669653891-eth.svg"
          },
          "gas_offered": 32000,
          "gas_spent": 22111,
          "gas_price": 26280311476,
          "fees_paid": "581083967045836",
          "gas_quote": 1.1291398965184127,
          "pretty_gas_quote": "$1.13",
          "gas_quote_rate": 1943.1613339098476,
          "explorers": [
              {
                  "label": null,
                  "url": "https://etherscan.io/tx/0xd57f92e13f0fad7d6a7540f55cc653d584793aea27be935c78df5759845eaad4"
              }
          ]
      }
      ]
  }
}
```

***

**2. API URL**: [`https://api.expand.network/chain/getflashbottransactions`](/integrations/blockchains/evm-based-blockchains/ethereum.md#getflashbottransactions)

**Sample Request:**

```url
https://api.expand.network/chain/getflashbottransactions?chainId=1
```

**Sample Response:**&#x20;

```json
{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "transaction_hash": "0xbcf55b7e9488135c12f3e70bd2a191cc19913475de6937f54cb9843865416391",
                "tx_index": 0,
                "bundle_index": 21,
                "block_number": 18975317,
                "eao_address": "0x2aC74Bd02EE017fa05629432Dd3728720c455032",
                "to_address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
                "gas_used": 30428,
                "gas_price": "10000002",
                "coinbase_transfer": "0",
                "eth_sent_to_fee_recipient": "0",
                "total_miner_reward": "304280060856",
                "fee_recipient_eth_diff": "304280060856"
            },
            {
                "transaction_hash": "0xd441a44e2adf57f0d53e027d4441cdfee8653cd7f259ec0c90b60ea144b31d32",
                "tx_index": 0,
                "bundle_index": 20,
                "block_number": 18975317,
                "eao_address": "0x758aC3DC8FB6F939adf42bB83e717f94619052f5",
                "to_address": "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
                "gas_used": 118712,
                "gas_price": "11300000",
                "coinbase_transfer": "0",
                "eth_sent_to_fee_recipient": "0",
                "total_miner_reward": "1341445600000",
                "fee_recipient_eth_diff": "1341445600000"
            },
            {
                "transaction_hash": "0x02cbeb153f91225abcdad3cd4d39d457b5e13f3fb1191f26c73c328c50f54071",
                "tx_index": 0,
                "bundle_index": 19,
                "block_number": 18975317,
                "eao_address": "0x4a25D28d10B02BCF13a16068F56d167D8F96d093",
                "to_address": "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
                "gas_used": 181502,
                "gas_price": "12500000",
                "coinbase_transfer": "0",
                "eth_sent_to_fee_recipient": "0",
                "total_miner_reward": "2268775000000",
                "fee_recipient_eth_diff": "2268775000000"
            },
            {
                "transaction_hash": "0x2b89ed3dbfe8946229468f33e31ed447631c192906344b7c62b6e927a7a5a512",
                "tx_index": 12,
                "bundle_index": 18,
                "block_number": 18975317,
                "eao_address": "0x4960DC043DDc244A02192898B3e2F1730194F0ac",
                "to_address": "0xf2B2420CEff184EEc76B3de15bd90C5734e45449",
                "gas_used": 21000,
                "gas_price": "10000001",
                "coinbase_transfer": "0",
                "eth_sent_to_fee_recipient": "0",
                "total_miner_reward": "210000021000",
                "fee_recipient_eth_diff": "210000021000"
            }
        ],
        "latest_block_number": 18975317
    }
}
```

***

**3. API URL**: [`https://api.expand.network/chain/getflashbotbundle`](/integrations/blockchains/evm-based-blockchains/ethereum.md#getflashbotbundle)

**Sample Request:**

```url
https://api.expand.network/chain/getflashbotbundle?bundleHash=0x2228f5d8954ce31dc1601a8ba264dbd401bf1428388ce88238932815c5d6f23f
```

**Sample Response:**&#x20;

```json
{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "transaction_hash": "0xd9cdf1483a85aa206625c66fea49059b96ffae1c086f76664cfa3f91a495d73a",
                "tx_index": 0,
                "bundle_index": 3,
                "block_number": 9091437,
                "eao_address": "0x8D460B72eaF3d63830E16C22d1Fc6908D0834Abe",
                "to_address": "0x8D460B72eaF3d63830E16C22d1Fc6908D0834Abe",
                "gas_used": 21000,
                "gas_price": "1000000000",
                "coinbase_transfer": "0",
                "eth_sent_to_fee_recipient": "0",
                "total_miner_reward": "21000000000000",
                "fee_recipient_eth_diff": "21000000000000"
            }
        ]
    }
}
```


---

# 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://docs.expand.network/how-to/trade-with-mev-protection.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.
