curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 871249,
"current_block_hash": "0000000000000000000200d2838df686a05c31fbfd7166c65994efe40981868e",
"fee_by_block_target": {
"1": 9000,
"3": 8000,
"6": 7000,
"13": 6568,
"24": 5976,
"144": 2012
}
}