Starknet

Starknet is a Layer 2 network, utilizing Validity-Rollup (also known as ZK-Rollup) technology, built on Ethereum. It empowers dApps to scale significantly while maintaining high security standards.

Networks Mainnet
Released 2023
Consensus ZK-Rollup
Smart contracts Yes
Block time ~3 minutes
Smart contract language(s) supported Cairo
Get started with Starknet

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

The Starknet API — build without running a node

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

Blockchain data

Read Starknet 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.

What makes Starknet unique?

Starknet, a Validity-Rollup Layer 2 network on Ethereum, scales dApps securely by aggregating transactions into off-chain STARK proofs, submitted as single transactions. This boosts throughput, speeds processing, reduces costs, while upholding Ethereum's security standards.