National University of Singapore Discovery API
Machine-readable metadata describing the identity service and its signing keys.
National University of Singapore Discovery API is one of 10 APIs that National University of Singapore publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 1 JSON Schema definition.
Tagged areas include Discovery. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and 1 JSON Schema.
This API exposes 3 operations across 3 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 2026-08-19.
Requests are made against a single base URL, https://vafs.nus.edu.sg.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 4
National University of Singapore Discovery API declares
4 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (JWT) (bearerAuth).
It accepts HTTP basic authentication (clientSecretBasic).
An API key is passed in the header as Authorization (clientSecretPost).
It supports OpenID Connect (oidc) discovered at https://vafs.nus.edu.sg/adfs/.well-known/openid-configuration.
clientSecretBasic— clientsecretbasic client authentication.clientSecretPost— Placeholder for clientsecretpost; the provider also advertises privatekeyjwt and windowsclientauthentication.
Paths & Operations 3
Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.
Machine-readable metadata describing the identity service and its signing keys.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are OpenIdConfiguration (17 properties), Jwks (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from National University of Singapore 9
Other APIs National University of Singapore publishes across the network.
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