Sui API

Sui is a decentralized layer 1 blockchain known for its high transaction speed and low costs. As a permissionless platform, it's versatile, supporting various applications.

Networks Mainnet
Released 2023
Consensus Delegated proof-of-stake (DPoS)
Smart contracts Yes
Block time ~3 seconds (called checkpoints)
Smart contract language(s) supported Move
Get started with Sui

Bitcoin
Ethereum
XRP Ledger
Ethereum Classic
Bitcoin Cash
Dash
Litecoin
Dogecoin
Zilliqa
View all supported

The Sui API — build without running a node

Access Sui blockchain data through one unified REST API: transaction and address data, balances, block data, and real-time webhooks for on-chain events — with no Sui node to run and maintain. Start free and scale as you grow.

Blockchain data

Read Sui transactions, addresses, balances, UTXOs, and block data through one REST API.

Real-time webhooks

Subscribe to on-chain events — incoming and outgoing transactions, confirmations, and mined blocks.

No node to run

Skip the infrastructure — managed, always-synced access with no node to operate or maintain.

View the API docs Start building free

Building a full wallet? Explore Wallet as a Service.

Need prices too? See the crypto price API, or run your own Sui RPC nodes.

What makes the SUI blockchain unique?

Sui is a decentralized layer 1 blockchain renowned for its transaction speed and cost-effectiveness. It operates as a permissionless platform, offering versatility to support a wide array of applications across diverse industries. It also facilitates secure and efficient transactions while fostering accessibility in the blockchain ecosystem.