{"success":true,"data":{"fees_sat_vb":{"next_block":1,"within_30_min":1,"within_1_hour":1,"economy":1,"minimum":1},"typical_payment_usd":{"next_block":0.12,"within_1_hour":0.12,"economy":0.12,"assumed_vsize":141},"mempool":{"transactions":73863,"vsize_mb":39.44,"total_fee_btc":0.06379465},"tip_height":970926,"last_block_time":"2026-10-11T12:00:03.000Z","difficulty_adjustment":{"progress_pct":61,"expected_change_pct":4.24,"remaining_blocks":786,"estimated_date":"2026-10-16T17:52:05.016Z"},"btc_usd":83079,"btc_eur":74200,"checked_at":"2026-10-11T12:05:45.933Z"},"trial":{"free":true,"used_example_input":true,"input_used":{},"remaining_today":2,"resets_at":"2026-10-12T00:00:00.000Z","note":"Real output for the example input. The paid endpoint returns the same format for your own input."},"paid_endpoint":"https://agentsvc.io/api/v1/proxy/btc-fees","price_usdc":0.002,"payment":"x402, USDC on Base, Solana, Polygon or Arbitrum mainnet, no account needed","docs":"https://agentsvc.io/docs"}