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BlockRazor

Low-Latency Infrastructure for orderflow projects, trading bots, searchers, and quant trading across BSC, Ethereum, Solana, Base, and Robinhood Chain.
README.md

BlockRazor — low-latency Web3 transaction infrastructure

Low-Latency Infrastructure for Sending and Receiving Transactions

Global low-latency infrastructure for orderflows, trading bots, searchers, and quant trading on BSC, Solana, Ethereum, Base, and Robinhood Chain.

Website · Documentation · Start for Free · MCP Server · Discord

Join BlockRazor on Discord Follow BlockRazor on X Connect with BlockRazor on LinkedIn Email the BlockRazor team

What is BlockRazor?

BlockRazor is a Web3 transaction infrastructure provider for wallets, DEXs, trading bots, searchers, and quantitative trading systems. It provides low-latency transaction submission, real-time blockchain data streams, MEV-aware routing, gas sponsorship, and block-building infrastructure across BSC, Solana, Ethereum, Base, and Robinhood Chain.

BlockRazor is designed for systems where earlier data, faster submission, and more predictable transaction inclusion can affect execution quality. Its global infrastructure serves both application developers and latency-sensitive trading workloads.

Explore BlockRazor

Capability What it provides Start here
Transaction Submission RPC, transaction sending, bundles, batches, and BSC Block Builder submission modes Choose a submission mode
Real-Time Streams Public and private mempool, block, node, sequencer, and network-fee data Explore Streams
MEV-Protected RPC Private routing and backrun rebates for supported BSC and Ethereum RPC flows Read the RPC guide
Gas Sponsor Gasless transaction infrastructure for applications that want to simplify user onboarding Read the Gas Sponsor guide
Block Builder BSC bundle and private-transaction submission, simulation, tracing, and Fast Submit Integrate with Block Builder
MCP for AI Agents Source-linked access to current BlockRazor documentation in compatible coding agents Connect the MCP server

Build by Chain

Network Available developer paths
BSC (BNB Smart Chain) RPC · Transaction Sending · Block Builder · Public Mempool · Node Stream
Solana Transaction Sending · Shred Stream · Geyser Stream · Network Fee Stream
Ethereum RPC · Transaction Sending · Public Mempool · Node Stream
Base Transaction Sending · Block Stream · FlashBlock Stream
Robinhood Chain Transaction Sending · Sequencer Feed

See the supported chains reference for the current availability of each service.

Open-Source Developer Tools

Repository Purpose Language
shreds-subscribe Subscribe to transactions for selected accounts directly from Solana shred streams Rust
shred-stats Compare the arrival performance of Solana shred streams from different sources Go
solana-e2e-benchmark Reproduce end-to-end Solana transaction latency tests for trading-bot architectures Rust
solana-trader-client-rust Integrate BlockRazor Solana transaction submission and stream services in Rust Rust
solana-trader-client-go Integrate BlockRazor Solana transaction submission and stream services in Go Go
solana-trader-client-js Integrate BlockRazor Solana transaction submission and stream services in JavaScript JavaScript
base-api-client-go Connect Go applications to BlockRazor services for Base Go
robinhood-feed-speed Benchmark Robinhood Chain sequencer-feed arrival performance Go

These repositories are reference implementations and measurement tools. Review each repository's README and the linked product documentation before production use.

Quick Start

  1. Review the service overview and supported chains.
  2. Create an account and start for free.
  3. Obtain an authentication token when the selected API requires one by following the authentication guide.
  4. Choose a language-specific client or copy a request from the official API documentation.
  5. Ask integration questions in Discord or email team@blockrazor.io.

Research and Benchmarks

BlockRazor publishes implementation notes, reproducible tools, and dated benchmarks so developers can inspect both methodology and results.

Benchmark results are specific to the documented test dates, environments, workloads, and methodologies. Test services under your own production conditions before making infrastructure decisions.

Resources and Support

Receive and Send Transactions Faster. Build the Edge.

Popular repositories Loading

  1. shreds-subscribe shreds-subscribe Public

    Rust UDP client for BlockRazor Solana Shred Stream, with Shred reception, Reed–Solomon FEC recovery, deshredding, entry decoding, and account-filtered transaction signature output.

    Rust 15 9

  2. shred-stats shred-stats Public

    Go benchmark tool for comparing Solana Shred streams by first-arrival share and relative UDP delivery latency, with one-minute logs and Prometheus metrics.

    Go 7 2

  3. relay_example relay_example Public

    Go gRPC client examples for BlockRazor BSC Relay: Public Mempool (NewTxs), Block Stream (NewBlocks), and transaction broadcast (SendTx/SendTxs). The Relay network also powers BSC full-node synchron…

    Go 3

  4. solana-trader-client-rust solana-trader-client-rust Public

    Rust examples for BlockRazor Solana Transaction Sending over HTTP and gRPC, covering Fast and Sandwich Mitigation modes, Base64/binary payloads, single transactions, batches, bundles, tips, and kee…

    Rust 3 1

  5. chainlist chainlist Public

    Forked from DefiLlama/chainlist

    JavaScript 2

  6. bsc-validator-directory bsc-validator-directory Public

    Forked from bnb-chain/bsc-validator-directory

    1

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