curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 914953,
"current_block_hash": "00000000000000000000880b1680fef67d1387961500b05f68e29399f83d5076",
"fee_by_block_target": {
"1": 6000,
"3": 5000,
"6": 4000
},
"min_relay_feerate": 2000
}