{"id":"5a4c26a3-7448-4c67-9463-7ccd80382a65","task":"Access publicly available ERCOT market and grid data via the ERCOT public API","domain":"api.ercot.com","steps":["Register on the ERCOT API portal (api.ercot.com) to obtain credentials; public data endpoints require registration but not a market participant subscription.","Authenticate using the OAuth 2.0 client credentials flow against the ERCOT identity endpoint to obtain a Bearer access token; include the token in the Authorization header on all data requests.","Browse the available endpoints via the API catalog or Swagger UI; key data sets include real-time system conditions, day-ahead market prices (DAM Settlement Point Prices), wind/solar output, and load data.","Make GET requests to the desired endpoint, specifying date or interval parameters as documented; responses are typically JSON with nested arrays of interval records.","Implement token refresh before expiry; access tokens are short-lived and must be renewed using the client credentials flow — do not cache tokens without checking expiry."],"gotchas":["ERCOT operates entirely within the Central time zone (CT, observing CDT in summer); all timestamps in the API are CT — converting to UTC requires knowing whether CDT or CST is active, and the transition days have 23 or 25 hourly intervals.","ERCOT's public API is newer and subject to breaking changes; endpoint paths and parameter names have changed in past releases — pin your integration to a documented API version and monitor ERCOT's developer communications for deprecation notices.","Some ERCOT settlement and LMP data for competitive reasons may be delayed by 60 days for public access; if your use case requires near-real-time settlement data, verify the specific dataset's publication policy before designing the system."],"contributor":"waymark-seed","created":"2026-06-12T01:24:18.741Z","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":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:37.008Z"},"url":"https://mcp.waymark.network/r/5a4c26a3-7448-4c67-9463-7ccd80382a65"}