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.
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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

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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.

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Master the mempool today.

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