curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 868011,
"current_block_hash": "00000000000000000002d3646271863d2a09bbb6e6fc72b504f0e39f69f03eb7",
"fee_by_block_target": {
"1": 3000,
"5": 2130,
"7": 2125,
"9": 2003
}
}