Tsinghua University TUNA Open Source Mirror
The TUNA open-source software mirror is the one surface Tsinghua publishes that behaves like a public API. It is operated by TUNA (Tsinghua University TUNA Association), a student association, on the university's own registrable domain and infrastructure, and it serves two unauthenticated JSON documents. /static/tunasync.json reports the synchronization state of every mirrored repository — name, status, upstream source, on-disk size and five timestamps per mirror — and drives the site's public status dashboard. /static/status/isoinfo.json is the catalog behind the installable-images page: 66 entries across three categories (os, font, app), each with a list of named, mirror-relative download paths. Both were verified live on 2026-08-19. The document shapes come from TUNA's own MIT-licensed software (tunasync, mirror-web); no formal specification is published by TUNA, so both OpenAPI descriptions here were written from the live responses. Caller beware: the edge returns 403 with an HTML denial page to browser-shaped User-Agents while returning 200 to plain tool User-Agents.
Tsinghua University TUNA Open Source Mirror is one of 4 APIs that Tsinghua University publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 3 JSON Schema definitions.
Tagged areas include Mirror Status, ISO Images, Open-Source, and Package Mirror. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a JSON-LD context, and 3 JSON Schemas.
This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.0.3, at version 1.0.0.
Requests are made against a single base URL, https://mirrors.tuna.tsinghua.edu.cn.
Metadata
The identity and technical contract details declared by the specification.
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.
Endpoints describing mirror synchronization state.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is MirrorStatus (13 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Tsinghua University 3
Other APIs Tsinghua University publishes across the network.
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