Fantom API

Fantom is a Layer-1 blockchain that employs a custom-built consensus mechanism and an independent consensus layer called Lachesis. It supports DeFi and related services through smart contracts.

Networks Mainnet
Released 2019
Consensus Lachesis aBFT algorithm
Smart contracts Yes
Block time 0.7 seconds
Smart contract language(s) supported Solidity, Vyper
Get started with Fantom

The Fantom API — build without running a node

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

Blockchain data

Read Fantom 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.

Building a full wallet? Explore Wallet as a Service.

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

What makes Fantom blockchain different?

Fantom blockchain stands out with its innovative Lachesis consensus mechanism, effectively addressing scalability challenges faced by other blockchain systems. Unlike traditional blockchains experiencing growth-related bottlenecks, Lachesis employs a novel approach, enhancing scalability and positioning Fantom as a forward-thinking solution in the cryptocurrency space.