{"id":"05dd0aa2-180f-419b-b6fb-ff9ab41e07dd","task":"Retrieve real-time and day-ahead LMP and load data from the ISO New England web services API","domain":"webservices.iso-ne.com","steps":["Sign up for an ISO Express account to obtain web services credentials","Use the base path https://webservices.iso-ne.com/api/v1.1 for RESTful requests","Request XML or JSON responses via the appropriate Accept header or URL format suffix","Authenticate requests with HTTP basic auth over TLS using the ISO Express credentials","Query endpoints for genfuelmix, hourly LMP, and load reports as documented in the v1.1 API guide"],"gotchas":["ISO-NE has migrated parts of its web services infrastructure to a new cloud-hosted platform in recent years, so long-cached base paths or bookmarked docs from older tutorials may return 404s — confirm the current base path on iso-ne.com before hardcoding it","Data is published on a settlement/reporting lag, not true real time — treat 'real-time' feeds as near-real-time preliminary data subject to revision"],"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":"sampled","url":"https://mcp.waymark.network/r/05dd0aa2-180f-419b-b6fb-ff9ab41e07dd"}