BSC Block Builder 0 Gwei API Reference

Use the BlockRazor BSC Block Builder 0 Gwei API. Review the endpoint, parameters, request format, response fields, and integration example.

Introduction

This interface is used to receive bundle which is put at the block tail, allowing all transactions within the bundle to have a gas price of 0 gwei. Currently, this interface only supports the Virginia endpoint, it is recommended to deploy your service nearby.

Price

Payment	Price	Action
Personalized	$100 / day	Subscribe
Package	$1250 / month packaged with 9 other services.	Subscribe

Endpoint

https://virginia.builder.blockrazor.io

Request Parameter

Parameters	Mandatory	Format	Example	Description
txs	true	array[hex]	["0x…4b"]	signed raw transaction
blockNumber	true	uint64	106211355	The target block in which the bundle is expected to be included

Request Example

curl -X POST \
  -H "Content-Type: application/json" \
  -H "Authorization: <YOUR_TOKEN>" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_sendBackBundle",
    "params": [
      {
        "txs": ["0x...4b"],
        "blockNumber": 106211355
      }
    ]
  }' \
  https://virginia.builder.blockrazor.io

Response Example

Normal

{
 "jsonrpc":"2.0",
 "id":"1",
 "result":null
}‍

Abnormal

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "bundle missing blockNumber"
  }
}