# SparkPulse Wholesale US electricity-market price + volatility signal, agent-callable. One call returns real-time and day-ahead wholesale power prices ($/MWh) by market hub, the day-ahead-vs-real-time spread, 24h high/low range, negative-price interval count, volatility, and a CHEAP / NORMAL / ELEVATED / SCARCE / SPIKING signal, plus a battery-arbitrage read (intraday spread + negative-price frequency). The price of the electron - counterpart to ComputePulse (price of compute), distinct from GridPulse (grid demand/mix). Pair with ComputePulse for the compute-power spread. $0.05 via x402 on Base or Solana. Source: US ISO public data (CAISO (California) + ERCOT (Texas) live; PJM/MISO rolling out). | Full catalog: lonestaroracle.xyz Base URL: https://spark.lonestaroracle.xyz Payment: x402 micropayment in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); a 402 response returns payment terms. ## Endpoints ### GET /power Wholesale US electricity-market price + volatility signal. No parameters. ## Related services Other LoneStarOracle feeds often used with this one: - ComputePulse (compute.lonestaroracle.xyz, $0.05) - GPU/compute pricing (pair for the compute-power spread) - GridPulse (grid.lonestaroracle.xyz, $0.03) - US grid demand, fuel mix, reliability - MacroPulse (macro.lonestaroracle.xyz, $0.05) - US macro signal - StrategicMaterials (minerals.lonestaroracle.xyz, $0.05) - critical-minerals supply Agent manual (SKILL.md): https://spark.lonestaroracle.xyz/SKILL.md