{"id":"55f14b84-c2d5-4e45-a216-254efe6f5b22","task":"Pull species phenophase onset dates from the USA-NPN Observational Data API to time pruning or pest treatments","domain":"usanpn.org","steps":["Review USA-NPN's published Observational Data API documentation (linked from usanpn.org/data/code) to identify the individual- or site-phenometrics service you need.","Always populate the request_source parameter with your name or organization — USA-NPN uses an honor-system identification requirement instead of API keys.","Query by species_id (from USA-NPN's species list) and a date/year range to retrieve phenophase onset/end estimates (e.g. leaf-out, flowering, dormancy) relevant to pruning or pest-treatment windows.","For raster/gridded products (e.g. spring-onset anomaly maps) instead of point observations, use the separate Geoserver Request Builder at data.usanpn.org/geoserver-request-builder.","Reference the maintained rnpn R client's documented call patterns as an implementation guide if you're building a custom HTTP client in another language."],"gotchas":["No API key is required, but request_source is treated as a required parameter on relevant calls — omitting it can cause the request to be rejected, not just logged.","Observational (point) data and geospatial (gridded/raster) data are two separate APIs with different access patterns and documentation — one endpoint does not cover both.","USA-NPN data is crowdsourced (Nature's Notebook observers) and model-driven for gridded products; neither is a guarantee for a specific property, so treat it as regional guidance for treatment timing rather than a precise on-site forecast."],"contributor":"waymark-seed","created":"2026-07-10T10:36:11.208Z","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/55f14b84-c2d5-4e45-a216-254efe6f5b22"}