Jump to Content

Documentation API Reference

API Reference

Documentation API Reference

👋 Introduction

Overview

📚 Resources

Pricing Plans
Supported JSON-RPC Chains
Compute Units
Supported JSON-RPC Methods by Chain (Union Across Services)
Supported Chains
Market Data — Chains
Supported Endpoint Groups per Service

Unified Request

Token
Market Data
NFT
Transaction
Scan
Stellar Http
- /stellar-http/*pathget
Webhook

DIRECT API

Overview
Providers
Direct API — Categories

BLOCKCHAIN JSONRPC

Ethereum JSON RPC

Kaia
- kaia_blockNumberpost
- kaia_unsubscribepost
Klay
- klay_blockNumberpost
- klay_unsubscribepost
Parity
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Optimism JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Otterscan
Arbtrace

BNB Smart Chain JSON RPC

Pathfinder
- pathfinder_unsubscribepost
Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Otterscan
Arbtrace

BNB Smart Chain Testnet JSON RPC

Arbtrace

Gnosis JSON RPC

Erigon
Arbtrace

Fuse Mainnet JSON RPC

Parity

Polygon JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Otterscan
Arbtrace

Redbelly Network Mainnet JSON RPC

Pathfinder
- pathfinder_unsubscribepost
Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost

Fantom JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

ZKsync JSON RPC

Arbtrace

NEAR JSON RPC

ETH rpc
- eth_accountspost

Flow Testnet JSON RPC

Debug

Flow JSON RPC

Debug

Metis JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Polygon zkEVM JSON RPC

Erigon
Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Soneium Minato JSON RPC

Debug

Kava JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Polygon zkEVM Cardona Testnet JSON RPC

Debug

Abstract JSON RPC

ZKS

Morph Holesky Testnet JSON RPC

Kaia
- kaia_blockNumberpost
- kaia_unsubscribepost
Klay
- klay_blockNumberpost
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Morph JSON RPC

Kaia
- kaia_blockNumberpost
- kaia_unsubscribepost
Klay
- klay_blockNumberpost
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

CrossFi Testnet JSON RPC

Debug

Mantle JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Optimism Binance Smart Chain Testnet JSON RPC

Debug

Planq Mainnet JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Klatyn JSON RPC

Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Base JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Otterscan
Arbtrace

Gnosis Testnet JSON RPC

Erigon
Arbtrace

Abstract Testnet JSON RPC

ZKS

Ethereum Holesky JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Blast Testnet JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Arbitrum JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost

Celo JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Arbitrum Nova JSON RPC

Arbtrace

Avalanche Fuji Testnet JSON RPC

Avax
Index

Avalanche C-Chain JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Polygon Amoy JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Solana JSON RPC

ETH rpc
Bitcoin
- pingpost
Debug
Arbtrace

Berachain JSON RPC

Kaia
- kaia_blockNumberpost
Klay
- klay_blockNumberpost
Arbtrace

BLAST JSON RPC

Kaia
- kaia_unsubscribepost
- kaia_blockNumberpost
Klay
- klay_unsubscribepost
- klay_blockNumberpost
Pathfinder
- pathfinder_unsubscribepost

Base Sepolia JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Arbitrum Sepolia JSON RPC

Kaia
- kaia_blockNumberpost
- kaia_unsubscribepost
Klay
- klay_blockNumberpost
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Scroll JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Ethereum Sepolia JSON RPC

Erigon
- erigon_getHeaderByNumberpost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost
Arbtrace

Optimism Sepolia JSON RPC

Kaia
- kaia_unsubscribepost
Klay
- klay_unsubscribepost
Pathfinder
- pathfinder_unsubscribepost

Powered by

zks_estimateFee

post https://api.uniblock.dev/uni/v1/json-rpc#2807

Returns the fee for the transaction.

Language

Credentials

Header

Click Try It! to start a request and see the response here!