Evidence-backed facts
- WHO's guide describes OData routes for dimension codes, values within a dimension, indicator metadata, indicator observations and regions. informative
- IndicatorName supports contains or eq name filters. Observation examples use $filter with dimension fields such as Dim1, joining conditions with and. informative
- The guide identifies TimeDimensionBegin and TimeDimensionEnd for time filtering; its year example applies date(TimeDimensionBegin) with an inclusive start and exclusive next-year boundary. informative
- Dim1 eq null and Dim1 ne null select observations by missing or present disaggregation. The guide describes XML as the default dimension-list result. informative