FreiDok plus JSON API
Read-only JSON API for FreiDok plus, the institutional repository and university bibliography built and operated by the Universitätsbibliothek Freiburg on the university's own host. Four anonymous collection endpoints — publications, persons, institutions, projects — return a shared numFound/start/maxRows/docs envelope. Probed 2026-09-01: 267,771 publications. Pagination is maxRows (1-100, default 20) and start; the startitem/maxitems parameters named in earlier descriptions of this API were probed and are silently ignored by the server.
FreiDok plus JSON API is one of 9 APIs that University of Freiburg publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 1 JSON Schema definition.
Tagged areas include Research, Repository, Bibliography, Open Data, and JSON. The published artifact set on APIs.io includes an OpenAPI specification, authentication docs, API documentation, and 1 JSON Schema.
This API exposes 4 operations across 4 paths, organized into 4 resource areas, and defines 2 schemas. It is described by OpenAPI 3.1.0, at version v1.
Requests are made against a single base URL, https://freidok.uni-freiburg.de/jsonApi/v1.
Metadata
The identity and technical contract details declared by the specification.
Paths & Operations 4
Across 4 paths, the API surfaces 4 operations — 4 GET. They span 4 resource areas: publications, persons, institutions, projects. Each is listed below with its method, path, parameters, and response codes.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are ResultEnvelope (6 properties), Error (3 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs University of Freiburg publishes across the network.
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