Batch check dimensional availability per metric

Per-metric per-year flag indicating where dimensional data exists for an entity.

Maps each metric to the fiscal years that carry dimensional data, so a client can tell which (metric, year) cells have a breakdown.

API error details.

API response metadata.

Pagination fields (page / per_page / total) are populated on collection endpoints only. They are omitted from the payload on single-resource endpoints.

HATEOAS-style pagination cursors.

Host-relative path + query links for a collection page. Present on collection endpoints, null fields where a page doesn't exist (next on the last page, prev on the first). The whole links object is omitted from single-resource responses (see ApiResponse serializer).