Universität Hamburg

ZFDM Repository OAI-PMH

OAI-PMH 2.0 harvesting interface of the ZFDM Research Data Repository. Verified live 2026-09-01: repositoryName "ZFDM Repository", adminEmail repository.fdm@uni-hamburg.de, earliest datestamp 2019-04-03. Offers the datacite, datacite3, oai_datacite, oai_datacite3, marcxml, marc21 and oai_dc metadata prefixes.

GitHub

Documentation

📖
APIReference
https://www.fdr.uni-hamburg.de/oai2d?verb=Identify

Examples

📝
Example
https://raw.githubusercontent.com/api-evangelist/universitat-hamburg/refs/heads/main/examples/universitat-hamburg-zfdm-oai-identify-example.xml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: universitat-hamburg:zfdm-oai
name: ZFDM Repository OAI-PMH
x-operator: institution
description: 'OAI-PMH 2.0 harvesting interface of the ZFDM Research Data Repository. Verified live 2026-09-01:
  repositoryName "ZFDM Repository", adminEmail repository.fdm@uni-hamburg.de, earliest datestamp 2019-04-03.
  Offers the datacite, datacite3, oai_datacite, oai_datacite3, marcxml, marc21 and oai_dc metadata prefixes.'
humanURL: https://www.fdr.uni-hamburg.de/
baseURL: https://www.fdr.uni-hamburg.de/oai2d
tags:
- OAI-PMH
- Metadata
- Research Data
- DataCite
- Harvesting
properties:
- type: APIReference
  url: https://www.fdr.uni-hamburg.de/oai2d?verb=Identify
- type: Example
  url: examples/universitat-hamburg-zfdm-oai-identify-example.xml
x-pointer-note: The bare OAI-PMH base URL returns HTTP 422 because the protocol requires a `verb` parameter;
  that is correct protocol behaviour, not a dead endpoint. The APIReference pointer above carries the
  verb and returns 200.