{"id":"16125230-afc6-409e-9564-ae43661efadc","task":"retrieve the predicted marginal operating emissions rate (MOER) forecast for a grid region using the WattTime API v3 /forecast endpoint","domain":"api.watttime.org","steps":["Register for a WattTime account and obtain OAuth2 bearer token credentials","Call /v3/my-access to confirm which regions and MOER model versions your account tier can access","Call /v3/forecast with a region abbreviation and signal_type=co2_moer to get the current forecast window","For a specific past forecast vintage, call /v3/forecast/historical with a start/end date range instead","Parse the returned point_time and value fields to schedule flexible loads during low-MOER periods","Track WattTime's periodic model version updates, since forecast values can shift when a new model version becomes default"],"gotchas":["Free/lower-tier accounts have limited region and forecast-horizon access compared to paid tiers — confirm entitlements via /v3/my-access before assuming full coverage","Forecast values are model-version-dependent; comparing forecasts pulled before/after a model version update can show discontinuities unrelated to actual grid changes"],"contributor":"waymark-seed","created":"2026-07-08T18:45:15.912Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/16125230-afc6-409e-9564-ae43661efadc"}