University of Science and Technology of China

USTC Course Catalog API (catalog.ustc.edu.cn)

The JSON API behind USTC's public course catalog application — semesters, the college tree, program trees, course search, course and lesson detail, exam lists, major lists and public timetables, across eighteen routes under /api/teach/. It is institution-operated and live, but every data route answers 401 to an unauthenticated caller, and the application's own /api/restricted route returns {"restricted":true}, so the catalog is in a declared restricted mode rather than merely unauthenticated. Recorded because a registrar/timetable API is one of the few surface classes a university genuinely runs itself, and because this one is real, routed and USTC's own — not a student project on an outside domain.

GitHub

Documentation

📖
Documentation
https://www.teach.ustc.edu.cn/
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/ustc/refs/heads/main/authentication/ustc-authentication.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: ustc:catalog
name: USTC Course Catalog API (catalog.ustc.edu.cn)
description: The JSON API behind USTC's public course catalog application — semesters, the college tree,
  program trees, course search, course and lesson detail, exam lists, major lists and public timetables,
  across eighteen routes under /api/teach/. It is institution-operated and live, but every data route
  answers 401 to an unauthenticated caller, and the application's own /api/restricted route returns {"restricted":true},
  so the catalog is in a declared restricted mode rather than merely unauthenticated. Recorded because
  a registrar/timetable API is one of the few surface classes a university genuinely runs itself, and
  because this one is real, routed and USTC's own — not a student project on an outside domain.
humanURL: https://catalog.ustc.edu.cn/
baseURL: https://catalog.ustc.edu.cn/api/teach
tags:
- Course Catalog
- Registrar
- Timetable
- Gated
properties:
- type: Documentation
  url: https://www.teach.ustc.edu.cn/
- type: Authentication
  url: authentication/ustc-authentication.yml
x-operator: institution
x-operator-evidence: catalog.ustc.edu.cn CNAMEs to revproxy.ustc.edu.cn, the university's own reverse
  proxy, and the application links only to ustc.edu.cn systems — jw.ustc.edu.cn, passport.ustc.edu.cn,
  mportal.ustc.edu.cn, www.teach.ustc.edu.cn and the library OPAC. The route list was read from the application's
  own JavaScript bundle; no vendor identity appears in it.
x-access: gated
x-status: 401 on /api/teach/semester/list, /department/college-tree, /program/tree and /course/search;
  200 {"restricted":true} on /api/restricted (probed 2026-08-30)