curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 970659,
"current_block_hash": "00000000000000000000b466a1a45e9bbc9e775a587cf188041fb831b1006a56",
"fee_by_block_target": {
"1": 3000,
"3": 2000
},
"min_relay_feerate": 2000
}