BlockRazor is a leading Web3 transaction infrastructure platform built for wallets, DEXs, trading bots, searchers, and quantitative systems. It provides multi-chain transaction submission (RPC, Fast, Gas Sponsor, Bundle), high-performance data streams (Mempool, Block Stream, Node Stream, Network Fee), and a BSC Block Builder with a historical block production rate of 37% — the highest on the BNB Smart Chain.Documentation Index
Fetch the complete documentation index at: https://mintlify.com/BlockRazorinc/docs_en/llms.txt
Use this file to discover all available pages before exploring further.
Introduction
Learn what BlockRazor offers and which services fit your use case.
Supported Chains
View every supported chain and the services available on each.
Authentication
Obtain your auth token and start making authenticated API requests.
Pricing
Explore subscription tiers, packages, and free limits for new users.
Services
Transaction Submission
Submit transactions via RPC, Fast, Gas Sponsor, or Bundle across all supported chains.
Streams
Subscribe to Mempool, Block, Node, and Network Fee streams for real-time chain data.
Block Builder
Use BlockRazor’s BSC block builder with PBS architecture and global validator connectivity.
Get Started in 3 Steps
Create an account
Register at blockrazor.io and activate your account via the confirmation email. Copy your auth token from your account dashboard.
Choose a service
Pick the transaction submission mode or data stream that fits your workflow. New registered users get free access to RPC, Fast, Bundle, and Block Builder on Solana, BSC, Ethereum, and Base.
Send your first request
Pass your auth token in the request header and submit your first transaction or open your first stream connection. See the API Reference for full endpoint documentation.
Use Cases
Wallet / DEX
MEV-protected RPC and gas sponsorship for seamless user onboarding.
Trading Bot
Fast mode and Bundle for high-frequency, latency-sensitive strategies.
Searcher
Private Mempool streams and Bundle bidding for backrunning and arbitrage.
Algorithmic Trading
Node Stream and Network Fee Stream to keep world state synchronized.