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bb_getEstimateFee RPC Method - Blockbook

Returns the estimated transaction fee for a target confirmation window. On UTXO chains this is a fee rate per kilobyte; on EVM chains it is the suggested gas price.

Updated on
Aug 09, 2026
Please note that this RPC method requires the Blockbook RPC enabled on your Quicknode endpoint.

Parameters

blocks
integer
REQUIRED

The confirmation target: the number of blocks within which the transaction should confirm.

conservative
boolean

When true, returns a more conservative (higher) estimate. Defaults to true.

Returns

result
string

The estimated fee. On UTXO chains this is a fee rate per kilobyte (in the main unit, e.g. BTC/kB); on EVM chains it is the suggested gas price (in the main unit, e.g. ETH).

Request
Response
1
{
2
"id": 1,
3
"result": {
4
"result": "0.00001"
5
},
6
"jsonrpc": "2.0"
7
}
1
{
2
"id": 1,
3
"result": {
4
"result": "0.00001"
5
},
6
"jsonrpc": "2.0"
7
}
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