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 & Networks
| Protocol | Network | Path Parameter |
|---|---|---|
| Avalanche | Mainnet-c | avalanche/mainnet-c |
| Testnet-c | avalanche/testnet-c |
|
| Bitcoin | Mainnet | bitcoin/mainnet |
| Testnet | bitcoin/testnet |
|
| Testnet4 | bitcoin/testnet4 |
|
| Bitcoincash | Mainnet | bitcoincash/mainnet |
| Testnet | bitcoincash/testnet |
|
| Dogecoin | Mainnet | dogecoin/mainnet |
| Testnet | dogecoin/testnet |
|
| Ethereum | Mainnet | ethereum/mainnet |
| Holesky | ethereum/holesky |
|
| Sepolia | ethereum/sepolia |
|
| Hoodi | ethereum/hoodi |
|
| Litecoin | Mainnet | litecoin/mainnet |
| Testnet | litecoin/testnet |
|
| Polkadot | Mainnet | polkadot/mainnet |
| Westend | polkadot/westend |
|
| Polygon | Mainnet | polygon/mainnet |
| Amoy | polygon/amoy |
|
| Solana | Mainnet | solana/mainnet |
| Testnet | solana/testnet |