Fee estimation
Instantly estimate
blockchain gas fees
The simplest way to fetch and display current gas fees across 100+ protocols — fast, standard, and slow tiers from a single API layer.
Supported chains
Block #19,000,000 · updated Jan 15, 2024, 12:00 PM · base fee 18.00 Gwei
Streamline how you handle fees
Tatum's Fee API fetches current network fees and estimates transaction cost in a single call — no RPC juggling.
Display user fees instantly
Show fast, standard, and slow fee tiers clearly in your wallet or dApp so users can pick the right speed.
0x6874…9AFc85Choose a fee tier — values update in your UI instantly.
Compare fees across chains
Unified gas estimation across 15+ EVM chains plus native fee endpoints for Bitcoin, Litecoin, and Dogecoin.
Coverage
Unified gas estimation across chains
POST /v4/blockchainOperations/gas supports 15+ EVM networks. GET /v3/blockchain/fee returns recommended tiers for Bitcoin, Ethereum, Litecoin, and Dogecoin.
API explorer
Two calls. Every fee scenario.
Fetch recommended fee tiers or estimate gas for a specific transfer — responses match the ReadMe schemas.
https://api.tatum.io/v3/blockchain/fee/ETHFallback“Tatum's blockchain APIs help us build robust product solutions in a fraction of the time. We love working with their team — always responsive and reliable!”
