ETH Price: $2,513.32 (+4.63%)
MegaETH API by Etherscan

The complete API for MegaETH data

Query MegaETH balances, transactions, tokens, contracts, and logs using the same Etherscan API that powers MegaETH Etherscan, with one API key and chainid=4326.

Trusted by teams at
Coinbase Coingecko Coingecko Metamask Metamask Binance
4326
MegaETH Mainnet chain ID
6343
MegaETH Testnet chain ID
60+ EVM Chains
with one API key
99.99%
uptime status

Why teams choose Etherscan API for MegaETH data

Explorer-grade blockchain data for teams that need accuracy, coverage, scale, and a clear path to multichain data from day one.

The first-choice API for MegaETH data

When teams need blockchain data they can defend in front of users, finance, or compliance, they start with the Etherscan API.

The reference layer for onchain data

Built with MegaETH Etherscan data, the API is used as a reference point to verify balances, transfers, internal transactions, and contract activity on MegaETH.

Accuracy that holds up under scrutiny

Capture edge cases many providers miss and reduce time spent reconciling mismatched records across tools.

One integration, 60+ chains

Same endpoints, same structure, one API key across MegaETH and other chains. Just set chainid=4326 for Mainnet or chainid=6343 for Testnet.

MegaETH data through a familiar API

Use the same request parameters, response formats, and API conventions that power MegaETH Etherscan and other Etherscan-supported explorers.

The default for mission-critical data

If blockchain data is mission-critical, Etherscan API is the default choice for teams that need accuracy and reliability.

How to start querying MegaETH with Etherscan API

Get an API key, set the MegaETH chain ID, and call the same endpoint structure used across 60+ EVM chains.

API key Active
YourApiKeyToken
One key for MegaETH + 60+ chains
Step 1

Get your API key

Create an Etherscan API key and use it for MegaETH Mainnet, Testnet, and other supported chains.

MegaETH Mainnet 4326
MegaETH Testnet 6343
chainid=4326 V2
Step 2

Set the MegaETH chain ID

Pass chainid=4326 for MegaETH Mainnet or chainid=6343 for MegaETH Testnet in Etherscan API requests.

MegaETH query Ready
Balances & transfers
Contracts & logs
Tokens & receipts
Step 3

Call MegaETH endpoints

Use familiar account, token, contract, transaction, and log endpoints to pull MegaETH Etherscan-grade indexed data into your app.

Single API to access all Endpoints & Metadata

Use Etherscan API with chainid=4326 to query indexed MegaETH data through a familiar endpoint structure.

All Etherscan API Endpoints

View all our available endpoints on Etherscan API documentation.
View All Endpoints

What you can build with the MegaETH API

Build MegaETH wallets, accounting tools, security products, and analytics without operating a separate blockchain indexer.

MegaETH transaction reconciliation API visual MegaETH transaction reconciliation API visual MegaETH transaction reconciliation API visual

Transaction Reconciliation

Match MegaETH normal and internal transactions, token transfers, fees, timestamps, and execution status with ledger entries and imported wallet records.

Build with: /txlist /txlistinternal /getstatus and more
MegaETH tax and accounting API visual MegaETH tax and accounting API visual MegaETH tax and accounting API visual

Tax & Accounting

Turn MegaETH activity into tax filings, accounting workflows, and audit reports with internal transactions, token transfers, historical balances, and address metadata.

Build with: /tokenbalance /txlist /tokennfttx and more
MegaETH financial reporting API visual MegaETH financial reporting API visual MegaETH financial reporting API visual

Financial Reporting & Audit Evidence

Produce MegaETH period-end balance checks, transaction schedules, exception reports, and traceable source records for financial review.

Build with: /addresstokenbalance /balancehistory /getlogs and more
MegaETH NFT and digital asset reporting API visual MegaETH NFT and digital asset reporting API visual MegaETH NFT and digital asset reporting API visual

NFT & Digital Asset Reporting

Track MegaETH ERC-721 and ERC-1155 transfers, token IDs, counterparties, timestamps, and related transactions for ownership and disposal records.

Build with: /tokennfttx /token1155tx /getlogs and more

Multichain by Default

Turn your app to multichain with our API that supports over 60+ supported chains.

Start building on MegaETH today

Choose an Etherscan API plan and start querying MegaETH Mainnet data with chain ID 4326.

Etherscan API supported chains