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API Reference

🐼INTRODUCTION

Welcome to Unifra
Why Use Unifra?
Core Product

L2SCAN explorer

L2scan Explorer
Open Source
Contract Verification API
How to Verify a Smart Contract
How to Verify a Smart Contract - zkSync

SOLIDITY now

Solidity Now

🚀 ENHANCED APIS

Enhanced APIs (beta)
NFT API (beta)

Trace API

Trace API

Ethereum API

Ethereum API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Ethereumpost
- eth_sendRawTransaction - Ethereumpost
Account Information
Event Logs
Getting Uncles
Chain Information
Gas Estimation
Real-time Events
- eth_subscribe - Ethereum
- eth_unsubscribe - Ethereum
Web3 API
- web3_clientVersion - Ethereumpost
- web3_sha3 - Ethereumpost
Ethereum API FAQ

Polygon API

Polygon API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Polygonpost
- eth_sendRawTransaction - Polygonpost
Account Information
Chain Information
Getting Uncles
Gas Estimation
- eth_gasPrice - Polygonpost
- eth_estimateGas - Polygonpost
Real-time Events
- eth_subscribe - Polygon
- eth_unsubscribe - Polygon
Web3 API
- web3_sha3 - Polygonpost
- web3_clientVersion - Polygonpost

Arbitrum API

Arbitrum API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Arbitrumpost
- eth_sendRawTransaction - Arbitrumpost
Account Information
Event Logs
Chain Information
- eth_chainId - Arbitrumpost
- net_version - Arbitrumpost
Gas Estimation
- eth_estimateGas - Arbitrumpost
- eth_gasPrice - Arbitrumpost
Real-time Events
- eth_subscribe - Arbitrum
- eth_unsubscribe - Arbitrum
Web3 API
- web3_sha3 - Arbitrumpost
- web3_clientVersion - Arbitrumpost

Optimism API

Optimism API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Optimismpost
- eth_sendRawTransaction - Optimismpost
Account Information
Event Logs
Chain Information
Getting Uncles
Gas Estimation
- eth_estimateGas - Optimismpost
- eth_gasPrice - Optimismpost
Real-time Events
- eth_unsubscribe - Optimism
Web3 API
- web3_clientVersion - Optimismpost
- web3_sha3 - Optimismpost

Conflux API

Conflux API
Getting Blocks
Reading Transactions
- cfx_getTransactionByHash - Confluxpost
- cfx_getTransactionReceipt - Confluxpost
Writing Transactions
- cfx_call - Confluxpost
- cfx_sendRawTransaction - Confluxpost
Account Information
Event Logs
- cfx_getLogs - Confluxpost
Chain Information
- cfx_clientVersion - Confluxpost
Gas Estimation
- cfx_gasPrice - Confluxpost
- cfx_estimateGasAndCollateral - Confluxpost
Getting Information

Scroll API

Scroll API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call(Alpha) - Scrollpost
- eth_sendRawTransaction(Alpha) - Scrollpost
Account Information
Event Logs
Chain Information
eth_estimateGas
Real-time Events
- eth_unsubscribe - Ethereum(Alpha) - Scroll
Web3 API
- web3_sha3(Alpha) - Scrollpost
- web3_clientVersion(Alpha) - Scrollpost
Debug API
Ethereum API FAQ

BASE API

Base API
Getting Blocks
Account Information
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Basepost
- eth_sendRawTransaction - Basepost
Chain Information
Event Logs
Getting Uncles
Gas Estimation
Real-time Events
- eth_unsubscribe - Base
- eth_subscribe - Base
Web3 API
- web3_clientVersion - Basepost
- web3_sha3 - Basepost

zkSync Era API

zkSync Era API
Getting Blocks
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - zkSync Erapost
- eth_sendRawTransaction - zkSync Erapost
Account Information
Event Logs
Chain Information
- net_listening - zkSync Erapost
- net_version - zkSync Erapost
Gas Estimation
- eth_feeHistory - zkSync Erapost
- eth_estimateGas - zkSync Erapost
Web3 API
- web3_clientVersion - zkSync Erapost
ZKS API

Linea API

Linea API
Getting Blocks
Account Information
Writing Transactions & EVM Execution
- eth_sendRawTransaction - Lineapost
- eth_call - Lineapost
Reading Transactions
Chain Information
Event Logs
Getting Uncles
Gas Estimation
Real-time Events
- eth_subscribe - Linea
- eth_unsubscribe - Linea
Web3 API
- web3_sha3 - Lineapost
- web3_clientVersion - Lineapost

📖DOCUMENTATION

Feature support by chain
Error Reference
Throughput(Rate Limits)

test-endpoint

Getting Started With Your API

Zetachain API

Zetachain API
Web3 API
- web3_clientVersion - Zetapost
- web3_sha3 - Zetapost
Gas Estimation
- eth_estimateGas - Zetapost
- eth_gasPrice - Zetapost
Getting Uncles
Event Logs
- eth_getLogs - Zetapost
Chain Information
Reading Transactions
Writing Transactions & EVM Execution
- eth_call - Zetapost
- eth_sendRawTransaction - Zetapost
Account Information
Getting Blocks

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Build your DAPP with the Unifra enhanced API. Learn how to query chain data using the Unifra enhanced API.