Podcast: Ethereum's Hidden Power Structure

Download the Browser Extension and Get Gas Price Alerts

Blocknative inspects every public-pending transaction and applies advanced machine learning models to deliver Web3's most accurate gas fee prediction.

Gas Estimator Extension Polygon and Ethereum
Join the hundreds of projects that depend on Blocknative.
curve-logo
balancer-logo
nifty-gateway-logo
synthetix
gnosis-safe-logo
fairmint-logo
ethereum-foundation-logo-vector-white
compound-logo
swerve-logo
bancor-logo
opyn-logo
zapper-logo
uma-uma-logo-white-1
badger-full-white
yearn-finance-white
aavegotchi_
optimism
gitcoin

Web3's Most Accurate Gas Fee Extension

Frequently Asked Questions

Our gas estimator extension offers free updates once every 5 seconds. Commercial Blocknative customers will receive updates once every second. After installing the extension, click on the gear icon ⚙️ in the upper right corner to enter your Blocknative API Key to update your poll rate.

Gas Estimator is powered by our ETH gas API, Gas Platform. By leveraging our real-time global mempool data platform, Gas Platform inspects all public pending Ethereum transactions and predicts the minimum gas price required for next-block confirmation.

Yes, on both Ethereum and Polygon. With full support for legacy and EIP-1559 transactions, our browser extension makes it easy for you to access the most accurate and actionable gas estimations.

What others are saying

brXXjKRU_400x400
sassal.eth
@sassal0x

The @blocknative Gas Estimator Browser Extension just changed the game - so much amazing information packed into a neat little window 

Ellipse 18
cl Ξ m
@0x_clem

Blocknative introducing a new way to get gas price estimation, using block prediction instead of time estimates.


This could definitely change the way gas price is shown and selected in dApps.

Ellipse 18 (2)
Dan Elitzer 222
@delitzer

If you’re a builder or user of DeFi protocols and you aren’t paying attention to the mempool, you’re flying blind.

Ellipse 18 (1)
Calvin Liu
@cjliu49

@blocknative are masters of the mempool - the most opaque yet critical step in processing a blockchain transaction

Ellipse 18 (3)
Taylor Monahan
@tayvano_
"Check the mempool.”

That is literally the problem.
 
Now, before you blow up on me...
Ellipse 18 (4)
Zach Krasner
@zachkrasner

Remember 10 years ago when a package delivery was just a black hole with no info on estimated delivery? That’s where Ethereum gas is today, but @blocknative’s introducing a game changer

Ellipse 18-1
Jonathan Alexander
@jalex206

As we've seen in the past week good gas price oracle solutions are critical to the ecosystem, really glad to see this from Blocknative ... OpenZeppelin Defender will include it in its gas price oracle pool

Ellipse 18
cl Ξ m
@0x_clem

Blocknative introducing a new way to get gas price estimation, using block prediction instead of time estimates.


This could definitely change the way gas price is shown and selected in dApps.

Ellipse 18 (2)
Dan Elitzer 222
@delitzer

This seems like it should enable massive security and UX improvements in wallets.

Ellipse 18 (1)
Calvin Liu
@cjliu49

@blocknative are masters of the mempool - the most opaque yet critical step in processing a blockchain transaction

Ellipse 18 (3)
Taylor Monahan
@tayvano_
"Check the mempool.”

That Is literally the problem.
 
Now, before you blow up on me...
Ellipse 18 (4)
Zach Krasner
@zachkrasner

Remember 10 years ago when a package delivery was just a black hole with no info on estimated delivery? That’s where Ethereum gas is today, but @blocknative’s introducing a game changer

Ellipse 18-1
Jonathan Alexander
@jalex206

As we've seen in the past week good gas price oracle solutions are critical to the ecosystem, really glad to see this from Blocknative ... OpenZeppelin Defender will include it in its gas price oracle pool

Grid+
GridPlus
@GridPlus

We can't say enough good things about working with @blocknative and all of the powerful tools they're building!

Onboard.js is an easy way for developers to add mobile and desktop web3 wallet support to their dapp in no time at all.

New from our blog

Article
EIP-4844, Blobs, and Blob Gas: What you need to know
With the upcoming Dencun upgrade, Ethereum will adopt EIP-4844, commonly called ...
blocknative favicon
Blocknative
Article
Introducing Ethernow: Real-Time Observability for Ethereum
On-chain data tells you what has happened. Pre-chain data tells you why it is happening. For ...
blocknative favicon
Blocknative
Article
Mempool Archive Quickstart: How to use Blocknative's historical Ethereum mempool data to analyze private transactions, MEV, and OFAs
Blocknative offers the most exhaustive historical archive of Ethereum's mempool transaction ...
blocknative favicon
Blocknative
Article
Lessons Earned One Year Post-Merge: Unraveling PBS and its effect on MEV, Block Building, and the Ethereum Network
The success of The Merge and the subsequent Shapella hard-fork showcased Ethereum's ability to ...
blocknative favicon
Blocknative
Article
The False Narrative of MEV Protection: How Private Transactions Can Result in a Poorer Settlement Than Sending Publicly
Private transactions have taken off across the Ethereum ecosystem. In the graph below you can ...
blocknative favicon
Blocknative
Article
The Path to Ethereum Scalability with Proto-Danksharding
In order to onboard the next billion users to Ethereum, we need to meet them where they already ...
blocknative favicon
Blocknative
Article
Understanding Ethereum Restaking and EigenLayer
The risks and rewards of extending ethereum's security to other chains Ethereum restaking has ...
blocknative favicon
Blocknative
Article
Blocknative Announces Transaction Boost: A Tool for MEV Protection while Preserving Transaction Observability
Remotely, August 23, 2023 - Blocknative launches Transaction Boost, an MEV protection ...
blocknative favicon
Blocknative
Article
Anatomy of a Slot: The tumultuous 12 seconds during Ethereum slots
Transitioning Ethereum to proof-of-stake changed how transactions ultimately land on-chain. ...
blocknative favicon
Blocknative
Article
Decoding Ethereum Smart Contract Events using ABIs
Application Binary Interfaces, or ABIs, are an integral part of how Ethereum smart contracts ...
blocknative favicon
Blocknative
Article
EthCC: Understanding ERC-4337—How it works and exploring unknowns
This timely talk covers ERC-4337, new transaction flows, MEV implications and a 4337 mental ...
blocknative favicon
Blocknative
Article
The Number of Private Transactions on Ethereum Doubles in Last Quarter
This quarter, private transactions—meaning transactions that bypassed the public mempool—made ...
blocknative favicon
Blocknative
Article
How to Get Ethereum Transaction Notifications in Slack and Discord with Webhooks
Anyone doing transactions on Ethereum is familiar with a certain level of transaction anxiety. ...
blocknative favicon
Blocknative
Article
Missed slots caused by gossip issues on consensus layer: Addressing late block reorgs on Ethereum
On April 15th, 2023, Blocknative’s internal MEV-relay alerting system began picking up an ...
blocknative favicon
Blocknative
Article
How GossipSub Overlays Empower Ethereum's Consensus Layer
Peer-to-peer networks are characterized by the large-scale broadcast of messages between nodes. ...
blocknative favicon
Blocknative

Master the mempool today.

Blocknative's proven & powerful enterprise-grade infrastructure makes it easy for builders and traders to work with mempool data.