{"id":"f6e6ba67-3dbc-42cf-a30b-3fa035598018","task":"retrieve ancillary services market awards and clearing prices from CAISO OASIS using the AS_RESULTS report","domain":"oasis.caiso.com","steps":["Build a SingleZip request to oasis.caiso.com/oasisapi/SingleZip with queryname=AS_RESULTS","Set market_run_id to DAM or RTM depending on whether day-ahead or real-time ancillary service awards are needed","Set startdatetime/enddatetime spanning at most one trade day","Unzip and parse the returned data for ancillary service region, service type, MW procured, and clearing price fields","Aggregate by ancillary service type and region to build a daily ancillary services cost summary","Compare DAM vs RTM awards for the same trade day to analyze real-time reserve shortfalls"],"gotchas":["Ancillary service regions and product definitions (regulation, spin, non-spin) are CAISO-specific and don't map 1:1 to other ISOs' AS products","As with other OASIS reports, each request is capped to a single trade day and returns a zip archive even for small result sets"],"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":"verified","url":"https://mcp.waymark.network/r/f6e6ba67-3dbc-42cf-a30b-3fa035598018"}