Base URL : https://boba-builder.com/searcher

Coinbase address : 0x3b64..ED67

We do not filter by MEV type, frontrun or propagate bundles and transactions. Every single transaction sent to our builder is kept private.

Location : US-East-1C

Rate limit : 10 requests per second

If you have specific requests or issues to report regarding rate limit or network performances, feel free to contact us.

/bundle

This endpoint support the eth_sendBundle RPC method, read the Flashbots RPC documentation for the full specification.

refundRecipient and refundPercent are supported, but minTimestamp, maxTimestamp and replacementUuid are not.

The method and jsonrpc fields are optional if you want to lighten the payload in a custom integration.

curl -X POST -H 'Content-Type: application/json' --data '{
  "id":1,
  "params":[
    {
      "txs":["0x123...abc", "0x456...def"],
      "blockNumber":"0x0a1b2c"
    }
  ]
}' https://boba-builder.com/searcher/bundle

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "bundleHash": "0x123...abc"
  }
}

/transaction

This endpoint support both eth_sendRawTransaction and eth_sendPrivateRawTransaction RPC methods.

Transactions sent to this endpoint are always kept private.

The method and jsonrpc fields are optional if you want to lighten the payload in a custom integration.

Example :

curl -X POST -H 'Content-Type: application/json' --data '{
  "id":1,
  "params":[
    "0xabc...123",
  ]
}' https://boba-builder.com/searcher/transaction

{
    "result":200,
    "error":null,
    "id":1
}

contact@boba-builder.com