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Fantom
Fantom (FTM) is an EVM-compatible Layer 1 secured by Lachesis, a proof-of-stake, DAG-based asynchronous Byzantine fault-tolerant consensus mechanism used by the Opera network. Solidity contracts execute in the EVM against Ethereum-style account and contract-storage state, while full nodes order consensus events, execute finalized transactions, and maintain the resulting world state. This separation of Lachesis consensus from EVM execution preserves Ethereum contract and JSON-RPC conventions while giving the underlying consensus layer a different data structure.
Fantom API Methods and Endpoints
NOWNodes exposes Fantom's interface, plus a few others, depending on what your integration needs: JSON-RPC for reading chain state and broadcasting transactions, and Trace/Debug for step-level execution analysis. Archive mode extends any of these to historical states and data beyond standard retention.
Browse the interfaces below for endpoint details, request parameters, response formats, and integration examples. Create an API key, select Mainnet or Testnet, choose the required interface, and start sending requests from your application.
Weighing Fantom RPC providers against each other? Read the comparison guide on our blog — this page stays focused on integration reference.
Quick start
Select environment
Mainnet or Sepolia testnet.
Choose an interface
RPC, WSS, Blockbook, or Trace/Debug.
Send a request
Call it from your application.
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