{"uid":"cap_2GXwZvPV5y_F7kcHgWUYX","slug":"sparkpulse-wholesale-us-electricity-market-price-volatility-signal-38937a69","name":"SparkPulse – Wholesale US Electricity Market Price & Volatility Signal","description":"Wholesale US electricity-market price + volatility signal (no params)","url":"https://spark.lonestaroracle.xyz/power","method":"GET","headers":{},"bodySchema":{"name":"SparkPulse","tags":["power","electricity","energy","markets","grid"],"type":"object","version":"1.0.0","category":"energy","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"signal":"SCARCE","markets":{"CAISO":{"SP15":{"signal":"SCARCE","da_price":61,"rt_price":182.4,"volatility":74.2,"window_low":-8,"window_high":340.1,"da_rt_spread":121.4,"intraday_spread":348.1,"negative_intervals":12}}},"summary":"US West (CAISO) power scarce: SP15 real-time $182/MWh (day-ahead $61), 24h range -$8 to $340, 12 negative 5-min intervals.","coverage":"CAISO (California) live; ERCOT/PJM/MISO rolling out","battery_arbitrage":{"best_market":"CAISO-SP15","intraday_spread_mwh":348.1,"negative_intervals_24h":12}}}}},"description":"Wholesale US electricity-market prices made agent-callable. One x402 call returns the real-time and day-ahead wholesale power price ($/MWh) by market hub, the day-ahead-vs-real-time spread, the 24-hour high/low range, the count of negative-price intervals, price volatility, and a CHEAP / NORMAL / ELEVATED / SCARCE / SPIKING signal — plus a battery-arbitrage read (best intraday spread, negative-price frequency). This is the price of the ELECTRON: the missing counterpart to ComputePulse (price of compute) and distinct from GridPulse (grid demand/mix/stress). The read a data-center-siting, battery-dispatch, energy-trading, or compute-cost agent needs on what power actually costs right now and how volatile it is. Pair it with ComputePulse to reason about the compute-power spread. $0.05 in USDC on Base via x402. Source: US ISO public data (CAISO OASIS live; ERCOT / PJM / MISO rolling out). Real-world-economy data, no crypto-dashboard equivalent."},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mPRrZR_DTUMSWGM80UiGf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time and day-ahead wholesale US electricity prices ($/MWh), volatility metrics, 24h range, negative-price interval counts, and a CHEAP/NORMAL/ELEVATED/SCARCE/SPIKING signal per market hub","exampleAgentPrompt":"What's the current wholesale electricity price and volatility signal right now — is power cheap, scarce, or spiking, and what's the best battery arbitrage spread available?","exampleUseCases":[{"title":"Battery dispatch timing decision","prompt":"Check the current wholesale power price and volatility — I want to know if the intraday spread is wide enough to justify discharging my battery storage now, and how many negative-price intervals there have been in the last 24 hours."},{"title":"Data center energy cost benchmarking","prompt":"Pull the latest real-time and day-ahead wholesale electricity prices across US market hubs so I can compare what power actually costs right now against our compute costs and decide where to route workloads."},{"title":"Energy trading signal monitoring","prompt":"What's the current SparkPulse signal for CAISO — is it SCARCE or SPIKING? I need the real-time price, the day-ahead spread, and the 24-hour high/low range to decide whether to execute a power purchase now."}],"resultDescription":"A JSON object containing per-market-hub wholesale electricity data including: real-time price ($/MWh), day-ahead price ($/MWh), a categorical price signal (CHEAP/NORMAL/ELEVATED/SCARCE/SPIKING), day-ahead-to-real-time spread, 24h window high/low, count of negative 5-min price intervals, volatility score, and a battery arbitrage summary (best market, intraday spread, negative-interval frequency), plus a human-readable summary string. Currently covers CAISO (SP15) live with ERCOT/PJM/MISO rolling out.","failureModes":["Payment required (402) if x402 USDC payment on Base not included","Upstream ISO data feed delay or outage returns stale or unavailable data","Non-CAISO markets may return partial or unavailable coverage during rollout phase","Network timeout if ISO source is slow to respond"],"whenToPreferThis":"Choose SparkPulse when you need the actual price of electrons in the US wholesale market — not grid mix, not demand forecast, not renewable percentage. It is the counterpart to compute-cost data for reasoning about compute-power economics, battery dispatch profitability, data center siting, or energy trading decisions. Prefer it over generic energy APIs when you need real-time $/MWh, the CHEAP-to-SPIKING signal, and battery arbitrage metrics in a single low-cost call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:32:14.117Z","isFirstParty":false}