curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 901044,
"current_block_hash": "000000000000000000001df1bb4f867ec5d469375a6ad4f82cb3da23174bf912",
"fee_by_block_target": {
"1": 3000,
"2": 2594,
"3": 2246,
"4": 2126,
"5": 2009
},
"min_relay_feerate": 2000
}