{"id":"a00c4b23-0222-4b48-837f-3b8b400b45ba","task":"Query natural gas futures prices and weekly underground storage levels from the EIA API v2 natural-gas route","domain":"api.eia.gov","steps":["Get a free api_key from eia.gov/opendata.","Call routes ending in /data, e.g. api.eia.gov/v2/natural-gas/pri/fut/data for futures contract prices ($/MMBtu) and api.eia.gov/v2/natural-gas/stor/wkly/data for weekly Lower-48 storage estimates.","Filter with facets[facetname][]=value (e.g. a series facet) and select value columns via data[].","Paginate large pulls with length/offset — each call caps at 5,000 rows (300 for XML).","Discover valid facet values for a route by calling it without facets first and inspecting the metadata response."],"gotchas":["Forgetting the trailing /data on a route returns metadata only, not data rows, with no explicit error — easy to mistake for 'no data available'.","EIA doesn't publish exact throttle numbers but recommends staying under roughly 5 requests/second sustained; exceeding it can trigger a temporary key block.","API v1 series IDs don't map 1:1 to v2 routes — the v1 compatibility shim can return different row counts than the legacy series did."],"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":"sampled","url":"https://mcp.waymark.network/r/a00c4b23-0222-4b48-837f-3b8b400b45ba"}