curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{ "current_block_height": 901950, "current_block_hash": "000000000000000000011fba5b288584abca1bf42bc63c46fd907a90312dac45", "fee_by_block_target": { "1": 4000, "4": 3147, "5": 3007, "6": 2725, "7": 2358, "10": 2126, "18": 2013 }, "min_relay_feerate": 2000 }