University of Bonn Datasets API
Retrieve published datasets, their versions, and export metadata from bonndata. Re-verified live 2026-09-01: /datasets/:persistentId?persistentId=doi:10.60507/FK2/BBP6GG returned 200 with 12,647 bytes of citation metadata, and /datasets/export?exporter=oai_dc returned 200 application/xml Dublin Core. No API token is required for published content. The OpenAPI server base is https://bonndata.uni-bonn.de/api; the baseURL above names a verified endpoint instead, because /api itself has no index and returns 404.