Cornell Class Roster API

openapi: 3.0.0
info:
  title: Cornell Class Roster API
  version: '2.0'
  description: 'Public, read-only API for the Cornell University Class Roster: scheduled classes with Course of
    Study detail, plus configuration lookups for rosters (terms), academic careers, academic groups, class levels
    and subjects. All methods are GET and return JSON or XML (https://classes.cornell.edu/api/2.0/<method>.<json|xml>).
    The schedule of classes behind it is maintained by the Cornell Office of the University Registrar and updated
    daily for current and future terms; the API is operated by Cornell on its own host, classes.cornell.edu. Cornell
    asks clients to stay under one request per second. No authentication is required.'
  termsOfService: https://classes.cornell.edu/content/FA26/api-details
  contact:
    name: Cornell University Office of the University Registrar
    email: coursenroll@cornell.edu
    url: https://classes.cornell.edu/content/FA26/api-details
  x-operator: institution
  x-operator-evidence: 'servers[] classes.cornell.edu is under Cornell''s own registrable domain (CNAME classes.ssit.cucloud.net,
    Cornell''s own cloud namespace). Probed 2026-08-19: /config/rosters.json 200 application/json, /search/classes.json?roster=FA25&subject=CS
    200 application/json, /config/rosters.xml 200. Documentation at https://classes.cornell.edu/content/FA26/api-details
    names the Office of the University Registrar and coursenroll@cornell.edu. The API''s own response envelope carries
    meta.copyright "Cornell University, Office of the University Registrar" on both success and error responses.'
  x-provenance:
    generated: '2026-08-19'
    method: derived
    source: openapi/_original/cornell-codi-classes.yaml (published by the Cornell Open Data Initiative, codi.engineering.cornell.edu)
      corrected against live probes of https://classes.cornell.edu/api/2.0 on 2026-08-19
    notes: Rebuilt during the 2026-08-19 university re-profile. The refined one-per-tag split this replaced (cornell-config-api
      / cornell-search-api / cornell-dining-api / cornell-events-api / cornell-location-api / cornell-map-items-api
      / cornell-tags-api) had welded five CODI specs on five different hosts onto a single servers[] entry, https://classes.cornell.edu/api/2.0,
      and merged Cornell Dining's /config/pages.json and the Localist /events/search into this host's paths. Only
      the paths verified live on classes.cornell.edu are kept here. 404 responses and the ErrorResponse schema were
      added on 2026-08-19 from live error probes (errors/cornell-errors.yml); Cornell documents no error reference.
servers:
- url: https://classes.cornell.edu/api/2.0
  description: Cornell Class Roster API v2.0 (production)
tags:
- name: class-roster
  description: 'Cornell Class Roster: term configuration lookups and class search.'
paths:
  /config/rosters.json:
    get:
      tags:
      - class-roster
      summary: Get available Cornell rosters
      description: Return information about all available Cornell rosters
      responses:
        '200':
          description: A JSON of rosters
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/RostersResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /config/acadCareers.json:
    get:
      tags:
      - class-roster
      summary: Get available academic careers for a roster
      description: Return all available academic careers for a roster. Academic careers refer to student type (i.e.
        Undergraduate) or study type (i.e. Graduate Management).
      parameters:
      - name: roster
        in: query
        description: Roster semester & year (i.e. FA14, SP15)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A JSON of academic careers
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/AcadCareersResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /config/acadGroups.json:
    get:
      tags:
      - class-roster
      summary: Get available academic groups for a roster
      description: Return all available academic groups for a roster. Academic groups refer to college type (i.e.
        Engineering) or study type (i.e. Graduate Management).
      parameters:
      - name: roster
        in: query
        description: Roster semester & year (i.e. FA14, SP15)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A JSON of academic groups
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/AcadGroupsResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /config/classLevels.json:
    get:
      tags:
      - class-roster
      summary: Get available class levels for a roster
      description: Return all available class levels for a roster. Class levels refer to the level of the course
        as specified by the course number (i.e. 1000, 2000). For instance, CS 4300 has a class level of 4000.
      parameters:
      - name: roster
        in: query
        description: Roster semester & year (i.e. FA14, SP15)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A JSON of class levels
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/ClassLevelsResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /config/subjects.json:
    get:
      tags:
      - class-roster
      summary: Get available subjects for roster
      description: Return all available course subjects for a roster.
      parameters:
      - name: roster
        in: query
        description: Roster semester & year (i.e. FA14, SP15)
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A JSON of subjects
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/SubjectsResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /search/classes.json:
    get:
      tags:
      - class-roster
      summary: Get all classes matching input query
      description: Return all classes in the specified roster and subject that match the input query
      parameters:
      - name: roster
        in: query
        description: Roster semester & year (i.e. FA14, SP15)
        required: true
        schema:
          type: string
      - name: subject
        in: query
        description: Academic subject (i.e. CS, PHIL)
        required: true
        schema:
          type: string
      - name: acadGroup[]
        in: query
        description: Academic group (i.e. AG)
        required: false
        schema:
          type: string
      - name: acadCareer[]
        in: query
        description: Academic career (i.e. GR)
        required: false
        schema:
          type: string
      - name: classLevels[]
        in: query
        description: Class levels (i.e. 6000)
        required: false
        schema:
          type: integer
      - name: crseAttrs[]
        in: query
        description: Course attribute (i.e. CU-SBY)
        required: false
        schema:
          type: string
      - name: q
        in: query
        description: Search term (i.e. graphics)
        required: false
        schema:
          type: string
      responses:
        '200':
          description: A JSON of classes
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/ClassesResponse'
        '404':
          description: Roster not found or not available (observed 2026-08-19). Unknown method paths return an HTML
            404 instead of this envelope.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    RostersResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/RostersResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/RostersResponse_meta'
      example:
        data:
          rosters:
          - lastModifiedDttm: 2018-04-02T19:35:43-0400
            strm: 2573
            defaultInstructionMode: P
            sharing: N
            isDefaultRoster: N
            version:
              referenceDttm: 2015-01-14T18:16:01-0500
              catalogDttm: 2015-01-14T18:21:04-0500
              showCatalogNote: Y
              catalogCourseNote: null
              catalog:
                acalogCatalogId: 22
                descr: Courses of Study 2014-2015
                descrshort: CoS 14-15
                version:
                  status: COMPLETE
              descriptionSource: CATALOG
              status: COMPLETE
            archiveMode: Y
            defaultCampus: MAIN
            descr: Fall 2014
            defaultSessionCode: 1
            descrshort: 2014FA
            slug: FA14
            defaultLocation: ITH
          - lastModifiedDttm: 2018-04-02T19:35:43-0400
            strm: 2573
            defaultInstructionMode: P
            sharing: N
            isDefaultRoster: N
            version:
              referenceDttm: 2015-01-14T18:16:01-0500
              catalogDttm: 2015-01-14T18:21:04-0500
              showCatalogNote: Y
              catalogCourseNote: null
              catalog:
                acalogCatalogId: 22
                descr: Courses of Study 2014-2015
                descrshort: CoS 14-15
                version:
                  status: COMPLETE
              descriptionSource: CATALOG
              status: COMPLETE
            archiveMode: Y
            defaultCampus: MAIN
            descr: Fall 2014
            defaultSessionCode: 1
            descrshort: 2014FA
            slug: FA14
            defaultLocation: ITH
        meta:
          copyright: Cornell University, Office of the University Registrar
        message: null
        status: success
    AcadCareersResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/AcadCareersResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/Meta'
      example:
        data:
          acadCareers:
          - descr: Undergraduate
            value: UG
          - descr: Undergraduate
            value: UG
        meta:
          referenceDttm: 2015-01-14T18:16:01-0500
          copyright: Cornell University, Office of the University Registrar
        message: null
        status: success
    AcadGroupsResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/AcadGroupsResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/Meta'
      example:
        data:
          acadGroups:
          - descr: Agriculture and Life Sciences
            value: AG
          - descr: Agriculture and Life Sciences
            value: AG
        meta:
          referenceDttm: 2015-01-14T18:16:01-0500
          copyright: Cornell University, Office of the University Registrar
        message: null
        status: success
    ClassLevelsResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/ClassLevelsResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/Meta'
      example:
        data:
          classLevels:
          - descr: 1000
            value: 1000
          - descr: 1000
            value: 1000
        meta:
          referenceDttm: 2015-01-14T18:16:01-0500
          copyright: Cornell University, Office of the University Registrar
        message: null
        status: success
    SubjectsResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/SubjectsResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/Meta'
      example:
        data:
          subjects:
          - descr: Asian American Studies
            descrformal: Asian American Studies
            value: AAS
          - descr: Asian American Studies
            descrformal: Asian American Studies
            value: AAS
        meta:
          referenceDttm: 2015-01-14T18:16:01-0500
          copyright: Cornell University, Office of the University Registrar
        message: null
        status: success
    ClassesResponse:
      type: object
      properties:
        status:
          type: string
          example: success
        data:
          $ref: '#/components/schemas/ClassesResponse_data'
        message:
          type: string
          example: null
        meta:
          $ref: '#/components/schemas/ClassesResponse_meta'
      example:
        data:
          subjects:
          - catalogBreadth: null
            catalogPrereqCoreq: Assumes basic high school mathematics (no calculus) but no programming experience.
            enrollGroups:
            - unitsMaximum: 4
              sessionCode: 1
              simpleCombinations: []
              gradingBasisShort: Stdnt Opt
              componentsOptional: []
              gradingBasisLong: Student Option
              sessionEndDt: 12/05/2014
              unitsMinimum: 4
              gradingBasis: OPT
              sessionLong: Regular Academic Session
              sessionBeginDt: 08/26/2014
              componentsRequired: []
              classSections: []
            - unitsMaximum: 4
              sessionCode: 1
              simpleCombinations: []
              gradingBasisShort: Stdnt Opt
              componentsOptional: []
              gradingBasisLong: Student Option
              sessionEndDt: 12/05/2014
              unitsMinimum: 4
              gradingBasis: OPT
              sessionLong: Regular Academic Session
              sessionBeginDt: 08/26/2014
              componentsRequired: []
              classSections: []
            catalogCourseSubfield: null
            subject: CS
            catalogDistr: (MQR)
            catalogOutcomes: []
            description: null
            strm: 2573
            catalogComments: null
            catalogForbiddenOverlaps: null
            acadCareer: UG
            crseId: 358526
            crseOfferNbr: 1
            catalogNbr: 1110
            catalogLang: null
            titleShort: Intro Computing Using Python
            titleLong: Introduction to Computing Using Python
            acadGroup: EN
            catalogFee: null
            catalogPermission: null
            catalogWhenOffered: Fall, spring, summer.
            catalogSatisfiesReq: null
          - catalogBreadth: null
            catalogPrereqCoreq: Assumes basic high school mathematics (no calculus) but no programming experience.
            enrollGroups:
            - unitsMaximum: 4
              sessionCode: 1
              simpleCombinations: []
              gradingBasisShort: Stdnt Opt
              componentsOptional: []
              gradingBasisLong: Student Option
              sessionEndDt: 12/05/2014
              unitsMinimum: 4
              gradingBasis: OPT
              sessionLong: Regular Academic Session
              sessionBeginDt: 08/26/2014
              componentsRequired: []
              classSections: []
            - unitsMaximum: 4
              sessionCode: 1
              simpleCombinations: []
              gradingBasisShort: Stdnt Opt
              componentsOptional: []
              gradingBasisLong: Student Option
              sessionEndDt: 12/05/2014
              unitsMinimum: 4
              gradingBasis: OPT
              sessionLong: Regular Academic Session
              sessionBeginDt: 08/26/2014
              componentsRequired: []
              classSections: []
            catalogCourseSubfield: null
            subject: CS
            catalogDistr: (MQR)
            catalogOutcomes: []
            description: null
            strm: 2573
            catalogComments: null
            catalogForbiddenOverlaps: null
            acadCareer: UG
            crseId: 358526
            crseOfferNbr: 1
            catalogNbr: 1110
            catalogLang: null
            titleShort: Intro Computing Using Python
            titleLong: Introduction to Computing Using Python
            acadGroup: EN
            catalogFee: null
            catalogPermission: null
            catalogWhenOffered: Fall, spring, summer.
            catalogSatisfiesReq: null
        meta:
          copyright: Cornell University, Office of the University Registrar
          catalogDttm: 2015-01-14T18:21:04-0500
          rosterDttm: 2015-01-14T18:16:01-0500
        message: null
        status: success
    Roster:
      type: object
      properties:
        slug:
          type: string
          example: FA14
        isDefaultRoster:
          type: string
          example: N
        strm:
          type: string
          example: 2573
        descr:
          type: string
          example: Fall 2014
        descrshort:
          type: string
          example: 2014FA
        defaultSessionCode:
          type: string
          example: 1
        defaultCampus:
          type: string
          example: MAIN
        defaultLocation:
          type: string
          example: ITH
        defaultInstructionMode:
          type: string
          example: P
        sharing:
          type: string
          example: N
        archiveMode:
          type: string
          example: Y
        version:
          $ref: '#/components/schemas/Roster_version'
        lastModifiedDttm:
          type: string
          example: 2018-04-02T19:35:43-0400
      example:
        lastModifiedDttm: 2018-04-02T19:35:43-0400
        strm: 2573
        defaultInstructionMode: P
        sharing: N
        isDefaultRoster: N
        version:
          referenceDttm: 2015-01-14T18:16:01-0500
          catalogDttm: 2015-01-14T18:21:04-0500
          showCatalogNote: Y
          catalogCourseNote: null
          catalog:
            acalogCatalogId: 22
            descr: Courses of Study 2014-2015
            descrshort: CoS 14-15
            version:
              status: COMPLETE
          descriptionSource: CATALOG
          status: COMPLETE
        archiveMode: Y
        defaultCampus: MAIN
        descr: Fall 2014
        defaultSessionCode: 1
        descrshort: 2014FA
        slug: FA14
        defaultLocation: ITH
    AcadCareers:
      type: object
      properties:
        value:
          type: string
          example: UG
        descr:
          type: string
          example: Undergraduate
      example:
        descr: Undergraduate
        value: UG
    AcadGroups:
      type: object
      properties:
        value:
          type: string
          example: AG
        descr:
          type: string
          example: Agriculture and Life Sciences
      example:
        descr: Agriculture and Life Sciences
        value: AG
    ClassLevels:
      type: object
      properties:
        value:
          type: string
          example: 1000
        descr:
          type: integer
          example: 1000
      example:
        descr: 1000
        value: 1000
    Subjects:
      type: object
      properties:
        value:
          type: string
          example: AAS
        descr:
          type: string
          example: Asian American Studies
        descrformal:
          type: string
          example: Asian American Studies
      example:
        descr: Asian American Studies
        descrformal: Asian American Studies
        value: AAS
    Classes:
      type: object
      properties:
        strm:
          type: integer
          example: 2573
        crseId:
          type: integer
          example: 358526
        crseOfferNbr:
          type: integer
          example: 1
        subject:
          type: string
          example: CS
        catalogNbr:
          type: string
          example: 1110
        titleShort:
          type: string
          example: Intro Computing Using Python
        titleLong:
          type: string
          example: Introduction to Computing Using Python
        enrollGroups:
          type: array
          items:
            $ref: '#/components/schemas/Classes_enrollGroups'
        description:
          type: string
          example: null
        catalogBreadth:
          type: string
          example: null
        catalogDistr:
          type: string
          example: (MQR)
        catalogLang:
          type: string
          example: null
        catalogForbiddenOverlaps:
          type: string
          example: null
        catalogWhenOffered:
          type: string
          example: Fall, spring, summer.
        catalogComments:
          type: string
          example: null
        catalogPrereqCoreq:
          type: string
          example: Assumes basic high school mathematics (no calculus) but no programming experience.
        catalogFee:
          type: string
          example: null
        catalogSatisfiesReq:
          type: string
          example: null
        catalogPermission:
          type: string
          example: null
        catalogCourseSubfield:
          type: string
          example: null
        catalogOutcomes:
          type: array
          example: []
          items:
            type: string
        acadCareer:
          type: string
          example: UG
        acadGroup:
          type: string
          example: EN
      example:
        catalogBreadth: null
        catalogPrereqCoreq: Assumes basic high school mathematics (no calculus) but no programming experience.
        enrollGroups:
        - unitsMaximum: 4
          sessionCode: 1
          simpleCombinations: []
          gradingBasisShort: Stdnt Opt
          componentsOptional: []
          gradingBasisLong: Student Option
          sessionEndDt: 12/05/2014
          unitsMinimum: 4
          gradingBasis: OPT
          sessionLong: Regular Academic Session
          sessionBeginDt: 08/26/2014
          componentsRequired: []
          classSections: []
        - unitsMaximum: 4
          sessionCode: 1
          simpleCombinations: []
          gradingBasisShort: Stdnt Opt
          componentsOptional: []
          gradingBasisLong: Student Option
          sessionEndDt: 12/05/2014
          unitsMinimum: 4
          gradingBasis: OPT
          sessionLong: Regular Academic Session
          sessionBeginDt: 08/26/2014
          componentsRequired: []
          classSections: []
        catalogCourseSubfield: null
        subject: CS
        catalogDistr: (MQR)
        catalogOutcomes: []
        description: null
        strm: 2573
        catalogComments: null
        catalogForbiddenOverlaps: null
        acadCareer: UG
        crseId: 358526
        crseOfferNbr: 1
        catalogNbr: 1110
        catalogLang: null
        titleShort: Intro Computing Using Python
        titleLong: Introduction to Computing Using Python
        acadGroup: EN
        catalogFee: null
        catalogPermission: null
        catalogWhenOffered: Fall, spring, summer.
        catalogSatisfiesReq: null
    Meta:
      type: object
      properties:
        copyright:
          type: string
          example: Cornell University, Office of the University Registrar
        referenceDttm:
          type: string
          example: 2015-01-14T18:16:01-0500
      example:
        referenceDttm: 2015-01-14T18:16:01-0500
        copyright: Cornell University, Office of the University Registrar
    RostersResponse_data:
      properties:
        rosters:
          type: array
          items:
            $ref: '#/components/schemas/Roster'
      example:
        rosters:
        - lastModifiedDttm: 2018-04-02T19:35:43-0400
          strm: 2573
          defaultInstructionMode: P
          sharing: N
          isDefaultRoster: N
          version:
            referenceDttm: 2015-01-14T18:16:01-0500
            catalogDttm: 2015-01-14T18:21:04-0500
            showCatalogNote: Y
            catalogCourseNote: null
            catalog:
              acalogCatalogId: 22
              descr: Courses of Study 2014-2015
              descrshort: CoS 14-15
              version:
                status: COMPLETE
            descriptionSource: CATALOG
            status: COMPLETE
          archiveMode: Y
          defaultCampus: MAIN
          descr: Fall 2014
          defaultSessionCode: 1
          descrshort: 2014FA
          slug: FA14
          defaultLocation: ITH
        - lastModifiedDttm: 2018-04-02T19:35:43-0400
          strm: 2573
          defaultInstructionMode: P
          sharing: N
          isDefaultRoster: N
          version:
            referenceDttm: 2015-01-14T18:16:01-0500
            catalogDttm: 2015-01-14T18:21:04-0500
            showCatalogNote: Y
            catalogCourseNote: null
            catalog:
              acalogCatalogId: 22
              descr: Courses of Study 2014-2015
              descrshort: CoS 14-15
              version:
                status: COMPLETE
            descriptionSource: CATALOG
            status: COMPLETE
          archiveMode: Y
          defaultCampus: MAIN
          descr: Fall 2014
          defaultSessionCode: 1
          descrshort: 2014FA
          slug: FA14
          defaultLocation: ITH
    RostersResponse_meta:
      properties:
        copyright:
          type: string
          example: Cornell University, Office of the University Registrar
      example:
        copyright: Cornell University, Office of the University Registrar
    AcadCareersResponse_data:
      properties:
        acadCareers:
          type: array
          items:
            $ref: '#/components/schemas/AcadCareers'
      example:
        acadCareers:
        - descr: Undergraduate
          value: UG
        - descr: Undergraduate
          value: UG
    AcadGroupsResponse_data:
      properties:
        acadGroups:
          type: array
          items:
            $ref: '#/components/schemas/AcadGroups'
      example:
        acadGroups:
        - descr: Agriculture and Life Sciences
          value: AG
        - descr: Agriculture and Life Sciences
          value: AG
    ClassLevelsResponse_data:
      properties:
        classLevels:
          type: array
          items:
            $ref: '#/components/schemas/ClassLevels'
      example:
        classLevels:
        - descr: 1000
          value: 1000
        - descr: 1000
          value: 1000
    SubjectsResponse_data:
      properties:
        subjects:
          type: array
          items:
            $ref: '#/components/schemas/Subjects'
      example:
        subjects:
        - descr: Asian American Studies
          descrformal: Asian American Studies
          value: AAS
        - descr: Asian American Studies
          descrformal: Asian American Studies
          value: AAS
    ClassesResponse_data:
      properties:
        subjects:
          type: array
          items:
            $ref: '#/components/schemas/Classes'
      example:
        subjects:
        - catalogBreadth: null
          catalogPrereqCoreq: Assumes basic high school mathematics (no calculus) but no programming experience.
          enrollGroups:
          - unitsMaximum: 4
            sessionCode: 1
            simpleCombinations: []
            gradingBasisShort: Stdnt Opt
            componentsOptional: []
            gradingBasisLong: Student Option
            sessionEndDt: 12/05/2014
            unitsMinimum: 4
            gradingBasis: OPT
            sessionLong: Regular Academic Session
            sessionBeginDt: 08/26/2014
            componentsRequired: []
            classSections: []
          - unitsMaximum: 4
            sessionCode: 1
            simpleCombinations: []
            gradingBasisShort: Stdnt Opt
            componentsOptional: []
            gradingBasisLong: Student Option
            sessionEndDt: 12/05/2014
            unitsMinimum: 4
            gradingBasis: OPT
            sessionLong: Regular Academic Session
            sessionBeginDt: 08/26/2014
            componentsRequired: []
            classSections: []
          catalogCourseSubfield: null
          subject: CS
          catalogDistr: (MQR)
          catalogOutcomes: []
          description: null
          strm: 2573
          catalogComments: null
          catalogForbiddenOverlaps: null
          acadCareer: UG
          crseId: 358526
          crseOfferNbr: 1
          catalogNbr: 1110
          catalogLang: null
          titleShort: Intro Computing Using Python
          titleLong: Introduction to Computing Using Python
          acadGroup: EN
          catalogFee: null
          catalogPermission: null
          catalogWhenOffered: Fall, spring, summer.
          catalogSatisfiesReq: null
        - catalogBreadth: null
          catalogPrereqCoreq: Assumes basic high school mathematics (no calculus) but no programming experience.
          enrollGroups:
          - unitsMaximum: 4
            sessionCode: 1
            simpleCombinations: []
            gradingBasisShort: Stdnt Opt
            componentsOptional: []
            gradingBasisLong: Student Option
            sessionEndDt: 12/05/2014
            unitsMinimum: 4
            gradingBasis: OPT
            sessionLong: Regular Academic Session
            sessionBeginDt: 08/26/2014
            componentsRequired: []
            classSections: []
          - unitsMaximum: 4
            sessionCode: 1
            simpleCombinations: []
            gradingBasisShort: Stdnt Opt
            componentsOptional: []
            gradingBasisLong: Student Option
            sessionEndDt: 12/05/2014
            unitsMinimum: 4
            gradingBasis: OPT
            sessionLong: Regular Academic Session
            sessionBeginDt: 08/26/2014
            componentsRequired: []
            classSections: []
          catalogCourseSubfield: null
          subject: CS
          catalogDistr: (MQR)
          catalogOutcomes: []
          description: null
          strm: 2573
          catalogComments: null
          catalogForbiddenOverlaps: null
          acadCareer: UG
          crseId: 358526
          crseOfferNbr: 1
          catalogNbr: 1110
          catalogLang: null
          titleShort: Intro Computing Using Python
          titleLong: Introduction to Computing Using Python
          acadGroup: EN
          catalogFee: null
          catalogPermission: null
          catalogWhenOffered: Fall, spring, summer.
          catalogSatisfiesReq: null
    ClassesResponse_meta:
      properties:
        copyright:
          type: string
          example: Cornell University, Office of the University Registrar
        rosterDttm:
          type: string
          example: 2015-01-14T18:16:01-0500
    

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# Full source: https://raw.githubusercontent.com/api-evangelist/cornell/refs/heads/main/openapi/cornell-class-roster-api-openapi.yml