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Art Institute of Chicago (see https://www.artic.edu/open-access/public-api )
Many apps use IIIF for digital object viewers, and OAI-PMH and/or Sitemaps to allow robots to efficiently harvest records
API Use Cases
Grouping above usage into broad categories to identify possible areas of overlap and collaboration:
Bulk edit/ingest/CRUD
Frontend APIs (React/Vue/etc., and often read-only)
Harvesting (also usually read-only)