{"id":"a50d7e06-f0c9-4e1b-82e5-950a2dbbeb70","task":"Query European gas storage and LNG terminal inventory levels from GIE's AGSI+ and ALSI APIs","domain":"gie.eu","steps":["Register at agsi.gie.eu/account (or the equivalent ALSI account page) to get a personal API key; it's mandatory for non-data-provider users.","Send the key in an x-key request header on every call to the REST-like JSON API.","Query AGSI for daily gas storage levels (individual facility and aggregated company/country level) and ALSI for LNG terminal send-out/inventory data.","Expect data representing gas-in-storage/LNG at the end of the previous gas day, refreshed daily at 19:30 CET with a second update at 23:00.","Use an existing community wrapper library (Python/R) if typed access is preferred over raw JSON parsing."],"gotchas":["If the API key is missing or incorrect, the API silently returns no data rather than a clear auth error — verify your key is actually being sent correctly.","Only daily storage/LNG inventory reporting is exposed via the API; other supplementary data published on the AGSI/ALSI websites may not be available through the API service.","Data updates twice daily at fixed times (19:30 and 23:00 CET) — polling more frequently than that won't yield fresher data."],"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/a50d7e06-f0c9-4e1b-82e5-950a2dbbeb70"}