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University of Wisconsin-Madison

Public Course Search API

UW-Madison's only openly callable API — the unauthenticated JSON search behind public.enroll.wisc.edu/search. Verified live on 2026-08-19: GET /terms returns the open term codes, GET /aggregate returns 190 subject facets per term, and a POST search returned 226 and 932 course records for two terms. No credential of any kind is required. The OpenAPI here is PROBED, not published by UW-Madison.

Documentation Provider Profile APIs.io OpenAPI GitHub

Public Course Search API is one of 16 APIs that University of Wisconsin-Madison publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 JSON Schema definition.

Tagged areas include Course Catalog, Curriculum, Registrar, and Open Access. The published artifact set on APIs.io includes an OpenAPI specification and 1 JSON Schema.

This API exposes 3 operations across 3 paths, and defines 5 schemas. It is described by OpenAPI 3.0.3, at version 1.

Requests are made against a single base URL, https://public.enroll.wisc.edu/api/search/v1.

3 operations 3 paths 5 schemas 2 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1
Base URL
https://public.enroll.wisc.edu/api/search/v1
Contact
UW-Madison Office of the Registrar
Resource Areas
1

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 2 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Operations 3
POST
/
Search courses for a term
searchCourses body → 200400
GET
/terms
List available terms
listTerms → 200
GET
/aggregate
List search facets
listAggregates → 200

Schemas 5

The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are CourseHit (43 properties), Term (9 properties), CourseSearchRequest (6 properties), Aggregate (4 properties). Each schema is shown below with its type and property counts.

CourseSearchRequest
object
6 properties 1 required
CourseSearchResponse
object
4 properties
CourseHit
object
Field set observed in live responses. Types are inferred from observed values; only field names are directly verified.
43 properties
Term
object
9 properties
Aggregate
object
4 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

university-of-wisconsin-madison-course-search-api-openapi.yml Raw ↑

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#Course Catalog#Curriculum#Registrar#Open Access
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API Details
ID
university-of-wisconsin-madison:course-search-api
Base URL
https://public.enroll.wisc.edu/api/search/v1
Docs
https://public.enroll.wisc.edu/search
Provider
University of Wisconsin-Madison
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