curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 941188,
"current_block_hash": "00000000000000000000dc1c770c260e6ba5ab88cbdb958a810832227aef332e",
"fee_by_block_target": {
"1": 4000,
"3": 3000
},
"min_relay_feerate": 2000
}