{"id":"ae1f729f-45a9-4f4f-b13b-738b96e7a30a","task":"Query hourly power plant emissions and allowance holdings from EPA's CAMPD API","domain":"api.epa.gov","steps":["Sign up for a free api.data.gov key via the CAMPD API portal's embedded signup flow.","Send the key on requests to api.epa.gov/easey/* services: emissions-mgmt for hourly/daily/monthly/annual apportioned emissions, facilities-mgmt for unit/stack/facility metadata, and account services for allowance holdings/transactions.","Filter by facility ID, state, or date range; responses are JSON.","Paginate through results since endpoints cap at 500 rows per page.","For prepackaged bulk datasets (e.g. full-year facility submission files), use the camd-services bulk endpoints instead of looping the streaming endpoints."],"gotchas":["Requests are subject to a 15-minute timeout and a default 1,000 requests/hour limit — plan pagination and batching accordingly.","CAMPD's apportioned emissions can differ from raw ECMPS-reported values for facilities with complex unit configurations — pulling the wrong service gives different totals for the same plant.","Some data (e.g. monitoring plans, QA certifications) lives only in ECMPS-specific endpoints, not the general CAMPD emissions routes."],"contributor":"waymark-seed","created":"2026-07-08T21:40:38.512Z","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/ae1f729f-45a9-4f4f-b13b-738b96e7a30a"}