get https://svc.blockdaemon.com/universal/{version}///tx/estimate_fee
Returns fee estimation in decimals.This endpoint will return 3 fee estimations: fast, medium and slow.
START HERE!
Click Try It! to test the endpoint with the default values or customize your request by following these steps:
- Enter your API key in the Header: token text box (top right).
- You can get a free API key here .
- Enter the parameters available below.
- Click Try It!.
For an in-depth tutorial, take a look at this video to learn how to estimate Ethereum Gas Fees with Blockdaemon's REST API.
Supported Protocols and Networks
| Protocol | Network | Path Parameters |
|---|---|---|
| Avalanche | Mainnet-c Testnet-c | avalanche/mainnet-c avalanche/testnet-c |
| Bitcoin | Mainnet Testnet | bitcoin/mainnet bitcoin/testnet |
| Bitcoincash | Mainnet Testnet | bitcoincash/mainnet bitcoincash/testnet |
| Dogecoin | Mainnet Testnet | dogecoin/mainnet dogecoin/testnet |
| Ethereum | Mainnet Holesky Sepolia | ethereum/mainnet ethereum/holesky ethereum/sepolia |
| Fantom | Mainnet Testnet | fantom/mainnet fantom/testnet |
| Litecoin | Mainnet Testnet | litecoin/mainnet litecoin/testnet |
| Polkadot | Mainnet Westend | polkadot/mainnet polkadot/westend |
| Polygon | Mainnet Amoy | polygon/mainnet polygon/amoy |
| Solana | Mainnet Testnet | solana/mainnet solana/testnet |