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Many of the features you see on etherscan.io are built on the same public API you have access to. These pages map each explorer page to the endpoints behind it, so you can recreate them in your own app. Every call uses a single API key across all 60+ supported chains; set chainid for the chain you want. Pick the explorer page you want to recreate:

Address

Balances, transactions, token transfers, and name tags.

Token

Supply, holders, price, and transfers.

Block

Rewards, gas, transaction counts, and block timing.

Transaction

Details, execution status, internal transactions, and logs.

Gas Tracker

Gas prices and confirmation time estimates.

Contract

Source code, ABI, and event logs.

Charts and Stats

Supply, price, and daily network metrics.

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Next steps

Common Use Cases

Start from what you want to build.

API Reference

Every endpoint, grouped by resource.