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Fantom Network


Fantom is a fast, high-throughput open-source smart contract platform for digital assets and dApps.

Founded in 2018, Fantom is designed to overcome the limitations of previous-generation blockchain platforms. Fantom is permissionless, decentralized, and open-source while achieving fast finality (1-2 second transaction confirmation) and low fees ($0.00001). Furthermore, Fantom is EVM-compatible.

Fantom code is completely open source. Anyone can read it, check on the progress, comment on it, and contribute. Fantom integrates industry-leaders oracle providers Chainlink and Band Protocol for maximum flexibility to access price feeds.

Quick facts

Property Value
Network name Fantom Opera
Mainnet chainId 250
Testnet chainId 4002
Famtom Block Explorer
Block time ~2 seconds

Supported endpoints


    • Get token balances for address. Return a list of all ERC20 and NFT token balances including ERC721 and ERC1155 along with their current spot prices.

    • Retrieve all transactions for address including their decoded log events. This endpoint does a deep-crawl of the blockchain to retrieve all kinds of transactions that references the address.

    • Get ERC20 token transfers for address along with historical token prices.

    • Return a paginated list of token holders contract_address as of any historical block height.

    • Return a paginated list of decoded log events emitted by a particular smart contract.

    • Return a paginated list of decoded log events with one or more topic hashes separated by a comma.

Go to Covalent’s API Reference


Fantom token

The Fantom token FTM is the native token of Fantom. This is similar to Ether in Ethereum. To interact with the Fantom network, FTM tokens are required to pay gas fees. The Covalent API response returns gas_* fields in fiat units.

Token mapping

Covalent maintains an on-chain real-time mapping of token addresses between Ethereum mainnet and the Fantom-Opera chain. These addresses are used to reverse-lookup prices on Fantom and also to return the right token logo urls.

Some example of mapped tokens:

Token Ethereum mainnet Fantom mainnet
USDT 0xdac17f958d2ee523a2206206994597c13d831ec7 0x1ffbd1e3584f139ca42d77ef99ef99550ecf46a8
YFI 0x0bc529c00C6401aEF6D220BE8C6Ea1667F6Ad93e 0xc396b190f251d7f79c583fd06347a09781f085c9

For the current token mapping list, see:

Token prices

For tokens that have a mapping back to Ethereum mainnet, the Covalent API is able to return the mapped prices.

Infrastructure Providers

The following provide infrastructure for this blockchain network:

Last modified: January 25, 2022: Klatyn Banner updated. (#166) (4da460d)