Subjects and skills workshops offered by Campus Learning Assistance Services. One of only two UCSB contracts published as OpenAPI 3.0.1, and the only one that requires the ucsb-api-version header on every operation. Published as OpenAPI 3.0.1, 6 paths, base https://api.ucsb.edu/academics/clas/schedules/v1.
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openapi: 3.0.1
info:
title: CLAS Schedules
version: v1.0
description: Public CLAS Schedules information. The API is intended to share information about the schedules
for the Tutorial Groups and Workshop Skills including their terms/quarters and enrollment dates.
x-source-url: https://developer.ucsb.edu/sites/default/files/openapi/schedules-v1.drupal.yaml
x-last-validated: '2026-08-30'
x-operator: institution
servers:
- url: https://api.ucsb.edu/academics/clas/schedules/v1
security:
- ucsb-api-key: []
- basicAuth: []
paths:
/subjects/term:
get:
tags:
- Schedules
parameters:
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
$ref: '#/components/schemas/TermInfo'
application/json:
schema:
$ref: '#/components/schemas/TermInfo'
text/json:
schema:
$ref: '#/components/schemas/TermInfo'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
/subjects:
get:
tags:
- Schedules
parameters:
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
type: array
items:
$ref: '#/components/schemas/Subject'
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Subject'
text/json:
schema:
type: array
items:
$ref: '#/components/schemas/Subject'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
/subjects/{subjectcode}:
get:
tags:
- Schedules
parameters:
- name: subjectcode
in: path
required: true
schema:
type: string
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
type: array
items:
$ref: '#/components/schemas/Schedule'
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Schedule'
text/json:
schema:
type: array
items:
$ref: '#/components/schemas/Schedule'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
/skills/term:
get:
tags:
- Schedules
parameters:
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
$ref: '#/components/schemas/TermInfo'
application/json:
schema:
$ref: '#/components/schemas/TermInfo'
text/json:
schema:
$ref: '#/components/schemas/TermInfo'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
/skills:
get:
tags:
- Schedules
parameters:
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopCategory'
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopCategory'
text/json:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopCategory'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
/skills/{skillcode}:
get:
tags:
- Schedules
parameters:
- name: skillcode
in: path
required: true
schema:
type: integer
format: int32
- name: ucsb-api-version
in: header
required: true
schema:
type: string
default: '1.0'
responses:
'200':
description: Success
content:
text/plain:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopTitle'
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopTitle'
text/json:
schema:
type: array
items:
$ref: '#/components/schemas/WorkshopTitle'
'400':
description: Bad or malformed request. This returns a Problem Details object (https://tools.ietf.org/html/rfc7807).
content:
application/json:
schema:
$ref: '#/components/schemas/ProblemDetails'
x-400-apiversion:
description: If the ApiVersion information cannot be inferred correctly, an error message describing
the issue is returned.
content:
application/json:
schema:
$ref: '#/components/schemas/ApiVersionError'
components:
securitySchemes:
ucsb-api-key:
name: ucsb-api-key
in: header
type: apiKey
basicAuth:
type: http
scheme: basic
schemas:
ApiVersionError:
type: object
properties:
error:
$ref: '#/components/schemas/ApiVersionErrorDetail'
additionalProperties: false
ApiVersionErrorDetail:
type: object
properties:
code:
type: string
nullable: true
message:
type: string
nullable: true
target:
type: string
nullable: true
innerError:
type: string
nullable: true
details:
type: array
items:
$ref: '#/components/schemas/ApiVersionErrorDetail'
nullable: true
additionalProperties: false
EnrollDates:
required:
- term
type: object
properties:
enrollDatesPk:
type: integer
description: Unique Id of the Alpha Object
format: int32
term:
maxLength: 5
minLength: 0
type: string
description: The term
session:
maxLength: 1
minLength: 0
type: string
description: The session
nullable: true
enrollStart:
type: string
description: Enroll Start
format: date-time
enrollEnd:
type: string
description: Enroll End
format: date-time
additionalProperties: false
ProblemDetails:
type: object
properties:
type:
type: string
nullable: true
title:
type: string
nullable: true
status:
type: integer
format: int32
nullable: true
detail:
type: string
nullable: true
instance:
type: string
nullable: true
additionalProperties: {}
Schedule:
type: object
properties:
subjectCode:
type: string
nullable: true
subjectName:
type: string
nullable: true
courseNo:
type: string
nullable: true
session:
type: string
nullable: true
instructor:
type: string
nullable: true
groupLecturePK:
type: integer
format: int32
lectureDays:
type: string
nullable: true
lectureTime:
type: string
nullable: true
lectureLocation:
type: string
nullable: true
groupCode:
type: string
nullable: true
tutor:
type: string
nullable: true
groupDays:
type: string
nullable: true
groupTime:
type: string
nullable: true
isNew:
type: boolean
additionalProperties: false
Subject:
required:
- subjectCode
type: object
properties:
subjectCode:
maxLength: 5
minLength: 0
type: string
subjectName:
maxLength: 25
minLength: 0
type: string
nullable: true
schedules:
type: array
items:
$ref: '#/components/schemas/Schedule'
nullable: true
additionalProperties: false
TermInfo:
type: object
properties:
term:
type: string
nullable: true
quarter:
type: string
nullable: true
year:
type: string
nullable: true
isSession:
type: boolean
enrollDates:
type: array
items:
$ref: '#/components/schemas/EnrollDates'
nullable: true
message:
type: string
nullable: true
additionalProperties: false
WorkshopCategory:
type: object
properties:
term:
type: string
nullable: true
workshopCategoryPk:
type: integer
format: int32
workshopCategoryName:
type: string
nullable: true
workshopTitles:
type: array
items:
$ref: '#/components/schemas/WorkshopTitle'
nullable: true
additionalProperties: false
WorkshopSchedule:
type: object
properties:
workshopCategoryPk:
type: integer
format: int32
workshopSkillClassPk:
type: integer
format: int32
workshopCode:
type: string
nullable: true
workshopDate:
type: string
nullable: true
workshopTime:
type: string
nullable: true
sessionCount:
type: integer
format: int32
additionalProperties: false
WorkshopTitle:
type: object
properties:
workshopCategoryPk:
type: integer
format: int32
workshopSkillClassPk:
type: integer
format: int32
workshopTitleName:
type: string
nullable: true
htmlDescription:
type: string
nullable: true
workshopSchedules:
type: array
items:
$ref: '#/components/schemas/WorkshopSchedule'
nullable: true
additionalProperties: false