How OneClickSender Handles Gas Fees Automatically

Introduction

Crypto users do not enjoy thinking about gas. They want to send a list of wallets, click once, and know exactly how much it will cost. OneClickSender tries to hide most of that complexity while still using standard on chain rules.

This post explains in simple terms how gas works in a normal token transfer, what changes when you batch transfers, and how OneClickSender automates that process for the user.

Gas in a regular token transfer

On EVM networks every transaction pays two main layers of gas. One part is the basic cost for including the transaction in a block. The other part is the cost of the token logic itself, such as storage updates and events.

The OneClickSender team shows an example on Ethereum where a single ERC20 transfer spends around twenty one thousand gas for the base transaction plus about forty five thousand gas for the token logic. That gives roughly sixty six thousand gas for one wallet. If you repeat that for two hundred wallets the total reaches about thirteen point two million gas, which already takes a large part of a full block on Ethereum.

This pattern is fine for a single payment. It becomes painful when a project wants to send rewards or airdrops to hundreds of addresses.

What changes with a batch transfer

The batch contract that powers OneClickSender receives a token address, an array of recipients, and an array of amounts. Instead of sending one transaction per wallet, the contract loops through the list and calls the token once per address inside a single outer transaction.

This has two direct effects.

First, you pay the base transaction cost once instead of many times. The loop that walks the recipients does add some gas, but it is much smaller than repeating the base layer for every wallet.

Second, the whole batch behaves as one atomic unit. If one transfer fails, the contract reverts the full batch. That gives a clear result. Either everyone receives the correct amount or no one does.

The OneClickSender article shares numbers for two hundred wallets on Ethereum. A regular flow uses about thirteen point two million gas. The batch call uses around nine point one million gas. This removes more than four million gas and the saving comes mostly from avoiding repeated base costs. The result is roughly thirty percent lower gas usage for the same distribution.

How OneClickSender automates gas handling

From the user side, gas handling in OneClickSender feels almost fully automatic. Behind the interface, several things happen at once.

When you upload a list of wallets and amounts, the app knows how many transfers will happen on that chain. It can estimate the gas cost based on on chain measurements for the batch contract plus the current gas price. The workflow described by the team includes a clear preview step where the user sees the expected gas fee before signing.

The main site also exposes pricing per network. For example, the pricing table shows that on Ethereum, Arbitrum, Base, and a number of other networks a fee of zero point zero one ETH covers up to six hundred transfers, while on BNB Smart Chain zero point zero eight BNB covers a similar count. These values reflect how the team has profiled the contract and chosen safe ranges, so a user can plan distributions with a fixed budget.

On HyperEVM there is an extra detail. That network splits capacity into small blocks with a limit of about two million gas and big blocks with a limit near thirty million gas. A two hundred way batch using about nine point one million gas does not fit inside a small block. The OneClickSender contract therefore caps each batch at around forty addresses so that every call stays below the small block gas limit. A two hundred wallet airdrop turns into five smaller transactions that still confirm quickly, without the user needing to manually split the CSV.

All of this is wrapped in a single flow. Connect wallet, upload recipients, approve the token once for the contract, preview total cost, then sign. The contract logic and the pricing profile handle the gas structure in the background, and the interface exposes one clear number before you confirm.

Why this matters for teams and projects

For airdrop managers, web3 marketers, and protocol teams, gas planning is part of every campaign. A miscalculation across hundreds of wallets can turn into a large unplanned expense. OneClickSender tries to solve this with three simple ideas.

Batch transfers keep gas usage lower than sending one transaction per wallet for large sets of recipients.

Network specific pricing gives a clear picture of what a distribution will cost on each chain before you start.

A guided flow with a fee preview helps non technical operators run distributions without tuning gas settings by hand in every step.

The user still pays gas with the connected wallet. The difference is that the heavy work of calculating, batching, and sizing each call now sits inside audited contracts and a purpose built interface instead of a manual spreadsheet plus a long night of repeated sends.

For teams that run regular airdrops, community rewards, or partner distributions, that kind of automatic gas handling is not just a convenience. It becomes part of how they keep operations predictable and affordable across many chains.

📲 You can try it here:
https://www.oneclicksender.com

🔗 Official Links

Website: https://oneclicksender.com
Twitter: https://twitter.com/OneClickSender
Telegram: https://t.me/OneClickSender