curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 949777,
"current_block_hash": "000000000000000000011444aaf93cafe5c50719b4c07b5656d96e8dfc5c870c",
"fee_by_block_target": {
"1": 2000
},
"min_relay_feerate": 2000
}