curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{ "current_block_height": 905417, "current_block_hash": "0000000000000000000004baf1e878d7bd58595202bca03c6b44b0a1779847b6", "fee_by_block_target": { "1": 5000, "3": 4000, "6": 3000 }, "min_relay_feerate": 2000 }