curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{ "current_block_height": 901044, "current_block_hash": "000000000000000000001df1bb4f867ec5d469375a6ad4f82cb3da23174bf912", "fee_by_block_target": { "1": 3000, "2": 2594, "3": 2246, "4": 2126, "5": 2009 }, "min_relay_feerate": 2000 }