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Keio University

Keio Media Center Digital Collections IIIF API

The Keio University Media Center serves its digitised special collections as IIIF on two hosts it owns: dcollections.lib.keio.ac.jp for IIIF Presentation API 2.1 manifests, and iiif.lib.keio.ac.jp for IIIF Image API 2.0 Level 1 tiles from an IIPImage server. Both are anonymous and self-describing. The Gutenberg 42-line Bible manifest alone carries 656 canvases, attributed to 慶應義塾大学メディアセンター / Keio University Libraries; the image service answers arbitrary region, size and rotation requests with a seven-level size pyramid and 256px tiles. This is the largest genuinely institution-operated machine-readable surface Keio has, and it was entirely absent from this catalog before 2026-09-01. Its one real limitation is discovery: collection archive codes are published nowhere, so manifest URLs must be resolved out of the site's HTML.

Documentation Provider Profile APIs.io OpenAPI GitHub

Keio Media Center Digital Collections IIIF API is one of 9 APIs that Keio University publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 2 JSON Schema definitions.

Tagged areas include IIIF, Digital Collections, Cultural Heritage, Rare Books, and Images. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 2 JSON Schemas.

This API exposes 3 operations across 3 paths, and defines 2 schemas. It is described by OpenAPI 3.1.0, at version 2.1.

Requests are made against 2 base URLs: https://dcollections.lib.keio.ac.jp, https://iiif.lib.keio.ac.jp.

3 operations 3 paths 2 schemas 3 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.1
Base URL
https://dcollections.lib.keio.ac.jp/sites/default/files/iiif/
Contact
Keio University Media Center (Keio University Libraries)
License
Digital Collections terms of use — Keio University Media Center
Terms of Service
View terms
Resource Areas
1

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.

IIIF 3

IIIF Presentation and Image API surfaces for Keio's digitised collections.

GET
/sites/default/files/iiif/{archive}/manifest.json
Retrieve a IIIF Presentation API 2.1 manifest for a digitised collection
getIiifManifest 1 param → 200404
GET
/iipsrv/{archive}/tif/{image}/info.json
Retrieve IIIF Image API 2.0 image information
getIiifImageInfo 2 params → 200
GET
/iipsrv/{archive}/tif/{image}/{region}/{size}/{rotation}/{quality}.{format}
Retrieve a region of an image at a given size, rotation and quality
getIiifImage 7 params → 200

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. Each schema is shown below with its type and property counts.

IiifManifest
IiifImageInfo

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

keio-iiif-openapi.yml Raw ↑

Other APIs Keio University publishes across the network.

KOARA OAI-PMH Metadata API
AE Profile APIs.io
Keio University Identity Provider (GakuNin / eduGAIN)
AE Profile APIs.io
Keio Okta Tenant — OpenID Connect
AE Profile APIs.io
K-RIS — Keio Research Information System (Elsevier Pure)
AE Profile APIs.io
Keio Figshare Research Data Repository
AE Profile APIs.io
DataCite Membership — provider `keio`
AE Profile APIs.io
Crossref Memberships — Keio units
AE Profile APIs.io
ROR Registration — Keio University
AE Profile APIs.io
#IIIF#Digital Collections#Cultural Heritage#Rare Books#Images#Open Access
← Back to K APIs
API Details
ID
keio:iiif
Base URL
https://dcollections.lib.keio.ac.jp/sites/default/files/iiif/
Docs
https://dcollections.lib.keio.ac.jp/en
Provider
Keio University
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Where this information came from

This is an independent, third-party profile of Keio Media Center Digital Collections IIIF API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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