curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 880107,
"current_block_hash": "00000000000000000001339f8eedcc91dbccacf2598be4cadeb3c068e13f31b8",
"fee_by_block_target": {
"1": 9000,
"3": 8000,
"4": 7589,
"6": 6947,
"8": 6536,
"9": 6212,
"12": 5994,
"16": 5667,
"18": 5063,
"20": 4986
}
}