{"name":"gridcarbon","description":"Hourly grid carbon intensity API (Europe via ENTSO-E, US via EIA-930, GB via NESO)","unit":"gCO2eq/kWh","endpoints":{"health":"GET /v1/health","zones":"GET /v1/zones","latest":"GET /v1/intensity/latest (all zones) | /v1/intensity/latest?zone=DE","intensity":"GET /v1/intensity?zone=DE&from=2026-08-23T00:00:00Z&to=2026-08-24T00:00:00Z"},"attribution":"Data: ENTSO-E Transparency Platform, U.S. EIA, NESO Carbon Intensity API","status":"pre-alpha"}