Tongji University Open Platform
The university's own institutional data and capability API platform, operated by the Tongji University Information Office. Roughly 234 documented interfaces across fifteen families: personnel, student, teacher, teaching management, research, school management, library, campus-card and access control, asset and procurement, education-data verification, AI services, notifications, calendar, cloud meeting and electronic signature. Routes carry a version segment (/v1/, /v2/) and a delivery-mode segment — `rt` for real-time queries against the system of record, `dc` for warehouse-served batch data, `infra` for shared campus capabilities, `metadata` for reference code tables. Interfaces are called with an OAuth 2.0 bearer token from the platform's Keycloak realm under either client-credentials or authorization-code mode; thirteen reference-metadata interfaces need no credential at all and were confirmed callable on 2026-09-01. Rate limiting is a documented token bucket at 50 requests per second per application per IP, with 429 on exhaustion. Notably, every interface page names the upstream system of record it draws from — a provenance practice most university platforms do not have.