BNB Price: $592.46 (+4.21%)
BNB Smart Chain (BSC) API by Etherscan

The complete API for BNB Smart Chain (BSC) data

Query BNB Smart Chain (BSC) balances, transactions, tokens, contracts, and logs using the same Etherscan API that powers BscScan, with one API key and chainid=56.

Trusted by teams at
Coinbase Coingecko Coingecko Metamask Metamask Binance
56
BNB Smart Chain (BSC) Mainnet chain ID
97
BNB Smart Chain (BSC) Testnet chain ID
60+ EVM Chains
with one API key
99.99%
uptime status

Why teams choose Etherscan API for BNB Smart Chain 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 BNB Smart Chain 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 BscScan data, the API is used as a reference point to verify balances, transfers, internal transactions, and contract activity on BNB Smart Chain.

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 BNB Smart Chain and other chains. Just set chainid=56 for Mainnet or chainid=97 for Testnet.

BNB Smart Chain data through a familiar API

Use the same request parameters, response formats, and API conventions that power BscScan 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 BNB Smart Chain with Etherscan API

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

API key Active
YourApiKeyToken
One key for BNB Smart Chain + 60+ chains
Step 1

Get your API key

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

BNB Smart Chain Mainnet 56
BNB Smart Chain Testnet 97
chainid=56 V2
Step 2

Set the BNB Smart Chain chain ID

Pass chainid=56 for BNB Smart Chain Mainnet or chainid=97 for BNB Smart Chain Testnet in Etherscan API requests.

BNB Smart Chain query Ready
Balances & transfers
Contracts & logs
Tokens & receipts
Step 3

Call BNB Smart Chain endpoints

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

Single API to access all Endpoints & Metadata

Use Etherscan API with chainid=56 to query indexed BNB Smart Chain 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 BNB Smart Chain API

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

BNB Smart Chain transaction reconciliation API visual BNB Smart Chain transaction reconciliation API visual BNB Smart Chain transaction reconciliation API visual

Transaction Reconciliation

Match BNB Smart Chain 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
BNB Smart Chain tax and accounting API visual BNB Smart Chain tax and accounting API visual BNB Smart Chain tax and accounting API visual

Tax & Accounting

Turn BNB Smart Chain 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
BNB Smart Chain financial reporting API visual BNB Smart Chain financial reporting API visual BNB Smart Chain financial reporting API visual

Financial Reporting & Audit Evidence

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

Build with: /addresstokenbalance /balancehistory /getlogs and more
BNB Smart Chain NFT and digital asset reporting API visual BNB Smart Chain NFT and digital asset reporting API visual BNB Smart Chain NFT and digital asset reporting API visual

NFT & Digital Asset Reporting

Track BNB Smart Chain 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 BNB Smart Chain today

Choose an Etherscan API plan and start querying BNB Smart Chain Mainnet data with chain ID 56.

Etherscan API supported chains