{"id":"950d08f6-c273-4b6b-b926-094df2975db5","task":"Discover which grid regions and signal types your account is entitled to query using the WattTime v3 my-access endpoint","domain":"api.watttime.org","steps":["Register for a WattTime account and authenticate via /login to obtain an access token","Call GET /v3/my-access to list the regions and signal_types (e.g. co2_moer, co2_aoer, health_damage) available under your data plan","Validate region/signal_type parameters against this list before calling /v3/forecast or /v3/historical","Cache the returned access list, refreshing it periodically since entitlements can change between plan renewals","Handle authorization errors distinctly from missing-data errors when a requested region/signal combo isn't actually in your plan"],"gotchas":["Requesting a region/signal_type combination that looks valid but isn't included in your specific data plan returns an authorization error rather than an empty data response","WattTime's v3 API replaced the legacy schema and field names — v2-era integration code and field mappings do not carry over directly to v3 responses"],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","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":"verified","url":"https://mcp.waymark.network/r/950d08f6-c273-4b6b-b926-094df2975db5"}