University of Bonn GitLab REST API v4

The University of Bonn self-hosts GitLab at gitlab.uni-bonn.de and its REST API v4 answers anonymous callers over the public project set. Verified live 2026-09-01: GET /api/v4/projects?per_page=1&simple=true returned 200 application/json with x-total 195 across 195 pages and ratelimit-limit 60; a 100-item page returned 97,168 bytes of project metadata. Privileged endpoints are properly closed — /api/v4/metadata and /api/v4/version both return 401 Unauthorized without a token. The GitLab API contract belongs to GitLab; the instance, the projects and the data are Bonn's, so the relationship is recorded and no GitLab specification is saved here.

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API entry from apis.yml

apis.yml Raw ↑
aid: university-of-bonn:gitlab-api
name: University of Bonn GitLab REST API v4
x-operator: institution
x-operator-basis: gitlab.uni-bonn.de resolves to 131.220.213.20, the university's own address space, adjacent
  to the bonndata host — a self-hosted GitLab, not gitlab.com.
description: 'The University of Bonn self-hosts GitLab at gitlab.uni-bonn.de and its REST API v4 answers
  anonymous callers over the public project set. Verified live 2026-09-01: GET /api/v4/projects?per_page=1&simple=true
  returned 200 application/json with x-total 195 across 195 pages and ratelimit-limit 60; a 100-item page
  returned 97,168 bytes of project metadata. Privileged endpoints are properly closed — /api/v4/metadata
  and /api/v4/version both return 401 Unauthorized without a token. The GitLab API contract belongs to
  GitLab; the instance, the projects and the data are Bonn''s, so the relationship is recorded and no
  GitLab specification is saved here.'
humanURL: https://gitlab.uni-bonn.de/
baseURL: https://gitlab.uni-bonn.de/api/v4/projects
tags:
- GitLab
- Source Code
- REST
- Research Software
- Self-Hosted
properties:
- type: BaseURL
  url: https://gitlab.uni-bonn.de/api/v4/projects
- type: Website
  url: https://gitlab.uni-bonn.de/
- type: Documentation
  url: https://gitlab.uni-bonn.de/help