# UTokyo OAI-PMH Metadata Harvesting

**Canonical:** https://apis.io/apis/university-of-tokyo/oai-pmh/  
**Provider:** University of Tokyo — https://apis.io/providers/university-of-tokyo/  
**Base URL:** https://repository.dl.itc.u-tokyo.ac.jp/oai  
**Documentation:** https://www.lib.u-tokyo.ac.jp/en/library/contents/database/15

UTokyo OAI-PMH Metadata Harvesting is one of 5 APIs that [University of Tokyo](https://apis.io/providers/university-of-tokyo/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include OAI-PMH, Repository, Metadata, Open Access, and Library. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and authentication docs.

Two independent OAI-PMH 2.0 endpoints, both institution-operated. The UTokyo Repository at repository.dl.itc.u-tokyo.ac.jp/oai offers seven metadata formats (JPCOAR 2.0, JPCOAR 1.0, oai_dc, DDI Codebook 2.5, IEEE LOM) with earliest datestamp 2017-03-28 and transient deletion records. The Archives Portal at da.dl.itc.u-tokyo.ac.jp/portal/oai offers five formats including DC-NDL, covers 1,957 sets, has an earliest datestamp of 2013-01-01 and persistent deletion records, and is documented by the university with full verb, parameter and resumptionToken paging tables. No key required.

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/openapi/university-of-tokyo-oai-pmh-openapi.yml
- **OpenAPI Source** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/openapi/_original/university-of-tokyo-oai-pmh-openapi.yml
- **Documentation** — https://da.dl.itc.u-tokyo.ac.jp/portal/help/api
- **Examples** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/examples/university-of-tokyo-repository-oai-identify.xml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/conformance/university-of-tokyo-conformance.yml
- **Rules** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/rules/university-of-tokyo-harvest-rules.yml
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/authentication/university-of-tokyo-authentication.yml

## Other University of Tokyo APIs (4)

- [UTokyo Academic Assets Archives Portal API](https://apis.io/apis/university-of-tokyo/archives-portal/)
- [UTokyo IIIF Presentation and Image APIs](https://apis.io/apis/university-of-tokyo/iiif/)
- [UTokyo Repository Records API](https://apis.io/apis/university-of-tokyo/repository-records/)
- [UTokyo Identity Federation (GakuNin SAML 2.0)](https://apis.io/apis/university-of-tokyo/gakunin-identity-federation/)

## Tags

OAI-PMH, Repository, Metadata, Open Access, Library, Research Data, JPCOAR

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