Skip to main content

/extended/v2/mempool/fees REST API Endpoint

Provides fee estimates for different transaction types in the Stacks blockchain mempool.

Updated on
Jun 13, 2025

Query Parameters

Returns

all
object

The 'all' object contains fee estimates for all transaction types in the mempool, categorized by priority levels

no_priority
integer

The fee estimate for transactions with no priority

low_priority
integer

The fee estimate for transactions with low priority

medium_priority
integer

The fee estimate for transactions with medium priority

high_priority
integer

The fee estimate for transactions with high priority

token_transfer
object

The 'token_transfer' object contains fee estimates specifically for token transfer transactions, categorized by priority levels

no_priority
integer

The fee estimate for token transfer transactions with no priority

low_priority
integer

The fee estimate for token transfer transactions with low priority

medium_priority
integer

The fee estimate for token transfer transactions with medium priority

high_priority
integer

The fee estimate for token transfer transactions with high priority

contract_call
object

The 'contract_call' object contains fee estimates specifically for contract call transactions, categorized by priority levels

no_priority
integer

The fee estimate for contract call transactions with no priority

low_priority
integer

The fee estimate for contract call transactions with low priority

medium_priority
integer

The fee estimate for contract call transactions with medium priority

high_priority
integer

The fee estimate for contract call transactions with high priority

Request
Don't have an account yet?
Create your Quicknode endpoint in seconds and start building
Get started for free