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GET /api/v2/estimatefee/{blocks} - Blockbook REST API

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 REST method requires the Zcash Blockbook enabled on your Quicknode endpoint.

Path Parameters

blocks
integer
REQUIRED

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

Query Parameters

conservative
boolean

When true, returns a more conservative (higher) estimate that is less sensitive to short-term mempool changes. 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
"result": "0.00001"
3
}
1
{
2
"result": "0.00001"
3
}
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