For the complete documentation index, see llms.txt. This page is also available as Markdown.

Broadcast Tx

What is Broadcast Tx

Broadcast Tx is a fast transaction sending service provided by BlockRazor to help users send transactions with lower latency. It is part of the Fast ecosystem, but unlike the standard Fast model which requires attaching a tip to the transaction, Broadcast Tx does not require users to pay extra for a tip within the transaction, making it more suitable as a low-barrier, fast sending entry point.

Currently, Broadcast Tx offers methods SendTx which are used to send single transactions.

It's important to note that while Broadcast Tx belongs to the Fast ecosystem, it is not equivalent to a private transmission channel with full transaction protection capabilities. Transactions sent via Broadcast Tx still enter the public propagation path and therefore DO NOT have MEV protection capabilities.

In what scenarios should you choose Broadcast Tx

  • No tips needed, lower barrier to entry Unlike the standard Fast model, Broadcast Tx does not require adding tips to transactions, making it more suitable for users who want to quickly integrate but do not want to modify the transaction incentive structure.

  • Suitable for scenarios where speed is a requirement but MEV protection is not currently emphasized If your priority is to send transactions out as quickly as possible, rather than hiding transactions or mitigating risks like sandwiches and frontrunnings through private paths, then Broadcast Tx would be a more straightforward option.

Endpoint

Region
Availability Zone(AWS)
Relay Address

Frankfurt

euc1-az2

35.157.64.49:50061

Tokyo

apne1-az4

54.249.93.63:50061

Virginia

use1-az4

52.205.173.134:50061

Rate Limit

User Type
Limit
Price

New registered users

SendTx

  • TPS:10 Txs / 5s

  • Daily Tx Limit:10

Free

Paid users

SendTx

  • TPS:100 Txs / 5s

  • 每日交易上限:100000

$500 / month

SendTx

Request Parameter

Parameters
Mandatory
Format
Example
Description

Transaction

Mandatory

String

"0xf8……8219"

signed raw tx

Request Example

https://github.com/BlockRazorinc/eth_relay_example

Response Example

Success

Error

Proto

The code of relay.proto is as follows:

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