# DR-NTU (Digital Repository) — OAI-PMH

**Canonical:** https://apis.io/apis/ntu/ntu-drntu-repository-oai/  
**Provider:** Nanyang Technological University — https://apis.io/providers/ntu/  
**Base URL:** https://dr.ntu.edu.sg/server/oai/request  
**Documentation:** https://dr.ntu.edu.sg/home

DR-NTU (Digital Repository) — OAI-PMH is one of 4 APIs that [Nanyang Technological University](https://apis.io/providers/ntu/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include OAI-PMH, Metadata Harvesting, and Open Access. The published artifact set on APIs.io includes API documentation.

A fully conformant OAI-PMH 2.0 metadata harvesting endpoint over DR-NTU, serving 11 metadata formats and declaring OpenAIRE CERIF-CRIS 1.1 compatibility on a second base URL. Administered by NTU Library (library@ntu.edu.sg) with an earliest datestamp of 2008-05-15, but implemented and operated by the DSpace-CRIS platform on 4Science infrastructure. Verified live 2026-08-19.

## Machine-readable artifacts (3)

- **Documentation** — https://www.openarchives.org/OAI/openarchivesprotocol.html
- **x-conformance** — https://raw.githubusercontent.com/api-evangelist/ntu/refs/heads/main/conformance/ntu-conformance.yml
- **x-archived-contract** — https://raw.githubusercontent.com/api-evangelist/ntu/refs/heads/main/openapi/_original/ntu-drntu-repo-oai.yaml

## Other Nanyang Technological University APIs (3)

- [DR-NTU (Data) — Dataverse API](https://apis.io/apis/ntu/ntu-drntu-data/)
- [DR-NTU (Digital Repository) — DSpace-CRIS REST API](https://apis.io/apis/ntu/ntu-drntu-repository/)
- [NTU Identity Provider — SGAF / eduGAIN](https://apis.io/apis/ntu/ntu-identity-federation/)

## Tags

OAI-PMH, Metadata Harvesting, Open Access

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ntu/ntu-drntu-repository-oai/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ntu/.