curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 948171,
"current_block_hash": "00000000000000000001e8abb22ceaa6ab2b79c146218a8c50de543a4b32bfab",
"fee_by_block_target": {
"1": 2000
},
"min_relay_feerate": 2000
}