# UTokyo IIIF Presentation and Image APIs

**Canonical:** https://apis.io/apis/university-of-tokyo/iiif/  
**Provider:** University of Tokyo — https://apis.io/providers/university-of-tokyo/  
**Base URL:** https://iiif.dl.itc.u-tokyo.ac.jp/iiif/2  
**Documentation:** https://da.dl.itc.u-tokyo.ac.jp/portal/en

UTokyo IIIF Presentation and Image APIs 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 IIIF, Image, Digital Archives, Library, and Cultural Heritage. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

IIIF Presentation API 2.1 manifests served from the Archives Portal and a IIIF Image API 2.0 level2 service on iiif.dl.itc.u-tokyo.ac.jp. The Image server declares formats tif/jpg/gif/png, qualities bitonal/default/gray/color, 512x512 tiling with scale factors to 128, arbitrary rotation, CORS and canonical link headers. Manifests carry attribution, license, viewingDirection and cross-links to the item page, the item JSON-LD and the parent collection. This is the most standards-conformant surface the institution runs.

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/openapi/university-of-tokyo-archives-portal-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-iiif-presentation-manifest.json
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/university-of-tokyo/refs/heads/main/conformance/university-of-tokyo-conformance.yml
- **SourceCode** — https://github.com/utda/mirador

## Other University of Tokyo APIs (4)

- [UTokyo Academic Assets Archives Portal API](https://apis.io/apis/university-of-tokyo/archives-portal/)
- [UTokyo OAI-PMH Metadata Harvesting](https://apis.io/apis/university-of-tokyo/oai-pmh/)
- [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

IIIF, Image, Digital Archives, Library, Cultural Heritage

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