{"uid":"cap_Nobo8lLUZ0D2Avrx1YxN1","slug":"gb-national-electricity-demand-outturn-bmrs-via-elexon-a1d8286a","name":"GB National Electricity Demand Outturn (BMRS via Elexon)","description":"Near-real-time Great Britain national electricity demand outturn from the Elexon Insights (BMRS) open API: 5-minute MW readings sorted oldest to newest (default: last 24h = 288 points), plus a 'latest' field with the most recent value. ?last=N (1-500) sets how many recent points to return, e.g. ?last=12 = last hour. Upstream updates every ~5 min; served with a 5-min cache.","url":"https://x402-datashop-production.up.railway.app/v1/gb/power-demand","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","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":{"last":{"type":"string","description":"Return only the N most recent 5-min readings (1-500, optional)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_iO6wG8nV39KUGv_os6jl1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns near-real-time 5-minute MW electricity demand outturn readings for Great Britain from the Elexon BMRS API, with configurable lookback window.","exampleAgentPrompt":"Can you pull the last hour of Great Britain national electricity demand readings from BMRS — that's the most recent 12 five-minute MW outturn points — and tell me the latest value?","exampleUseCases":null,"resultDescription":"A JSON object containing an array of up to 500 timestamped 5-minute MW demand outturn readings sorted oldest to newest, plus a 'latest' field with the most recent single reading. Default returns 288 points (last 24 hours); use ?last=N to limit to N points.","failureModes":["Upstream BMRS API unavailable — returns 5xx or stale cached data","Invalid 'last' parameter (out of 1-500 range) — returns 400 or validation error","Cache may be up to 5 minutes stale if upstream has not updated","Payment not included or invalid — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need near-real-time or recent-historical Great Britain electricity demand data at 5-minute resolution sourced directly from the authoritative Elexon BMRS system. Prefer this over general energy APIs when you specifically need GB national grid outturn MW figures, configurable lookback (up to 500 points / ~41 hours), and a convenient 'latest' summary field in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:48:14.073Z","isFirstParty":false}