{"uid":"cap_LI7mzqjq9PsFUWhgyZPLr","slug":"saylor-innovations-uk-grid-carbon-intensity-78d9775a","name":"Saylor Innovations UK Grid Carbon Intensity","description":"Great Britain grid carbon intensity - live gCO2/kWh, generation mix, renewable and fossil share, plus the greenest 3-hour window in the next 24 hours","url":"https://saylorinnovations.com/api/grid/uk-carbon?utm_source=zero.xyz","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"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["intensity","generation_mix"],"properties":{"to":{"type":["string","null"],"description":"End of the range"},"from":{"type":["string","null"],"description":"Start of the range"},"note":{"type":["string","null"],"description":"Caveat or context for reading the result"},"region":{"type":"string","description":"Region"},"source":{"type":["string","null"],"description":"Data source the values come from"},"next_24h":{"type":["object","null"],"description":"Forecast summary for the next 24 hours"},"intensity":{"type":"object"},"checked_at":{"type":["string","null"],"description":"Time the check was run (UTC)"},"fossil_pct":{"type":"number","description":"Fossil, as a percentage"},"generation_mix":{"type":"array","items":{"type":"object","properties":{"pct":{"type":"number"},"fuel":{"type":"string"}}},"description":"Generation mix"},"low_carbon_pct":{"type":"number","description":"Low carbon, as a percentage"},"renewables_pct":{"type":"number","description":"Renewables, as a percentage"}}}}}}},"responseSchema":null,"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_-I7ztu2EKbWESuD_8VW_P","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 Great Britain grid carbon intensity in gCO2/kWh, generation mix breakdown, renewable and fossil share percentages, and the greenest 3-hour window in the next 24 hours","exampleAgentPrompt":"What's the current carbon intensity of the Great Britain electricity grid right now, and when is the greenest 3-hour window to run energy-heavy tasks in the next 24 hours?","exampleUseCases":[{"title":"EV smart charging scheduler","prompt":"I want to charge my electric vehicle overnight — when is the lowest-carbon 3-hour window on the GB grid in the next 24 hours, and what's the current gCO2/kWh?"},{"title":"Sustainability dashboard live widget","prompt":"Pull me the live UK grid carbon intensity, the current renewable and fossil fuel percentages, and the full generation mix so I can update our sustainability dashboard."},{"title":"Green compute job timing","prompt":"I need to run a large batch compute job and want to minimize carbon impact — what's the cleanest time window on the Great Britain electricity grid coming up in the next 24 hours?"}],"resultDescription":"A JSON object containing the current carbon intensity value in gCO2/kWh, generation mix array (fuel type and percentage), renewables percentage, low-carbon percentage, fossil fuel percentage, the time range of the reading, the data source, and a next_24h forecast object identifying the greenest 3-hour window","failureModes":["Upstream data source unavailable — may return stale or null intensity values","Network timeout if the National Grid ESO data feed is delayed","Rate limiting or payment failure for the x402 micropayment ($0.01 USDC per call)","Partial data if generation mix breakdown is temporarily unavailable from source"],"whenToPreferThis":"Choose this endpoint when you need live Great Britain grid carbon data including intensity, generation mix, and a forward-looking greenest window — all in a single call. 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