{"uid":"cap_uoKAwgdnBfLlPre4AaYU1","slug":"gridhub-demand-live-electricity-demand-by-zone-82bcf151","name":"GridHub Demand — Live Electricity Demand by Zone","description":"Live wholesale electricity prices, demand, and generation mix across 25 grids in the US, UK, Australia, and Europe. Pay-per-call API access from $0.001.","url":"https://api.grid-hub.app/v1/demand/%7Bzone%7D","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","pathParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["zone"],"properties":{"zone":{"enum":["US-CAISO","US-ERCOT","US-PJM","US-MISO","US-NYISO","US-ISONE","US-SPP","GB","AU-NSW","AU-QLD","AU-VIC","AU-SA","AU-TAS","DE-LU","FR","ES","IT-NO","NL","BE","PL","SE-3","NO-2","DK-1","AT","CH"],"type":"string","description":"Zone id from /v1/zones"}}},"queryParams":{"type":"object","properties":{"end":{"type":"string","description":"Window end, Unix seconds"},"limit":{"type":"string","description":"Max rows (up to 5000)"},"start":{"type":"string","description":"Window start, Unix seconds"},"sample":{"enum":["true"],"type":"string","description":"Free truncated sample, no payment or credentials"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":[{"ts":1787961600,"unit":"GBP/MWh","value":88.76},{"ts":1787963400,"unit":"GBP/MWh","value":91.2}],"zone":"GB","count":2,"metric":"demand","license":"NESO-Open-Licence","attribution":"Supported by National Energy SO Open Data"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XVu2l1QnPNS-HjBe3RWdk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live electricity demand time series for a specified grid zone, covering up to 5000 data points per call across 25 grids in the US, UK, Australia, and Europe.","exampleAgentPrompt":"Can you pull the latest electricity demand figures for the GB grid zone from GridHub for the past hour?","exampleUseCases":[{"title":"Real-time demand monitoring for energy dashboard","prompt":"Show me the current electricity demand for the CAISO zone in California — I want the most recent readings from the past 30 minutes."},{"title":"Cross-zone demand comparison for energy analyst","prompt":"Get me electricity demand data for both PJM and MISO over the last two hours so I can compare how they're tracking today."},{"title":"Alert system for grid stress detection","prompt":"Fetch the latest electricity demand readings for the GB grid — I need to check if demand has spiked in the last 15 minutes and trigger an alert if it has."}],"resultDescription":"Returns a JSON object with a data array of timestamped demand readings (Unix seconds timestamp, numeric value, and unit such as GBP/MWh or equivalent), the zone identifier, count of rows returned, metric name ('demand'), license information, and attribution string.","failureModes":["Invalid zone identifier returns an error — only the 25 enumerated zone IDs are accepted","Time window producing more than 5000 rows may be truncated or require pagination via start/end/limit parameters","Missing x402 payment header results in 402 Payment Required response (use sample=true for a free truncated preview)","Very recent timestamps may have no data yet due to publication lag from grid operators","Start timestamp after end timestamp returns an empty or error response"],"whenToPreferThis":"Use this endpoint when you need live or near-real-time electricity demand data for a specific grid zone across the US, UK, Australia, or Europe. It is especially suited for monitoring applications, energy dashboards, or alerting systems that need sub-hourly demand readings. Prefer this over the historical endpoint when you need current conditions rather than long-run time series analysis. The sample=true parameter allows free exploration without payment credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:31:37.813Z","isFirstParty":false}