curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 854132,
"current_block_hash": "0000000000000000000168de0cb1b36e680c203957cb23e49512da3517a761ea",
"fee_by_block_target": {
"1": 6000,
"3": 5000,
"4": 4222,
"6": 4005,
"13": 3816,
"17": 3629,
"144": 3513,
"432": 3308
}
}