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OpenAPI Specification

openapi: 3.2.0
info:
  title: Snu OAI PMH API
  version: '2.0'
  license:
    name: Not stated
    identifier: NOASSERTION
  x-generated: '2026-08-19'
  x-method: probed
  x-operator: institution
  x-refined-note:
  - x-source differs across the merged source definitions and was not carried
  description: 'Operations tagged OAI-PMH across 2 of this provider''s published API definitions: snu-kossda-oai-pmh-openapi.yml, snu-s-space-oai-pmh-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://kossda.snu.ac.kr/oai/request
  description: Default OAI-PMH context, reachable over HTTPS. The endpoint advertises itself as http:// in its own Identify response; prefer this HTTPS form.
- url: https://kossda.snu.ac.kr/oai/driver
  description: DRIVER guidelines harvesting context.
- url: https://s-space.snu.ac.kr/oai/request
  description: Default OAI-PMH context (oai_dc and 11 other metadata formats).
- url: https://s-space.snu.ac.kr/oai/driver
  description: DRIVER guidelines harvesting context.
- url: https://s-space.snu.ac.kr/oai/openaire
  description: OpenAIRE guidelines harvesting context.
security: []
tags:
- name: OAI-PMH
  description: Open Archives Initiative Protocol for Metadata Harvesting 2.0 verbs.
paths:
  /:
    get:
      tags:
      - OAI-PMH
      operationId: kossdaOaiRequest
      summary: Issue an OAI-PMH 2.0 request against KOSSDA
      description: Single-endpoint protocol; `verb` selects the operation. Responses are `application/xml`. Allow a generous read timeout — see the description on info for the measured latency.
      parameters:
      - name: verb
        in: query
        required: true
        schema:
          type: string
          enum:
          - Identify
          - ListMetadataFormats
          - ListSets
          - ListIdentifiers
          - ListRecords
          - GetRecord
      - name: metadataPrefix
        in: query
        required: false
        description: Twelve formats confirmed live on 2026-08-19.
        schema:
          type: string
          enum:
          - oai_dc
          - qdc
          - mods
          - mets
          - marc
          - rdf
          - didl
          - ore
          - uketd_dc
          - xoai
          - dim
          - etdms
      - name: identifier
        in: query
        required: false
        schema:
          type: string
          examples:
          - oai:kossda.snu.ac.kr:20.500.12236/1234
      - name: set
        in: query
        required: false
        schema:
          type: string
      - name: from
        in: query
        required: false
        schema:
          type: string
          format: date-time
      - name: until
        in: query
        required: false
        schema:
          type: string
          format: date-time
      - name: resumptionToken
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: An OAI-PMH 2.0 response document, or a protocol error inside `<error>`.
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/OAIPMHResponse'
              examples:
                identify:
                  summary: verb=Identify (captured live 2026-08-19)
                  externalValue: ../examples/snu-kossda-oai-identify-example.xml
    servers:
    - url: https://kossda.snu.ac.kr/oai/request
      description: Default OAI-PMH context, reachable over HTTPS. The endpoint advertises itself as http:// in its own Identify response; prefer this HTTPS form.
    - url: https://kossda.snu.ac.kr/oai/driver
      description: DRIVER guidelines harvesting context.
components:
  schemas:
    Identify:
      type: object
      properties:
        repositoryName:
          type: string
          examples:
          - 한국사회과학자료원 (KOSSDA)
        baseURL:
          type: string
          format: uri
        protocolVersion:
          type: string
          const: '2.0'
        adminEmail:
          type: string
          format: email
        earliestDatestamp:
          type: string
          format: date-time
          examples:
          - '2017-04-09T11:10:50Z'
        deletedRecord:
          type: string
          enum:
          - false
          - persistent
          - transient
        granularity:
          type: string
          enum:
          - YYYY-MM-DD
          - YYYY-MM-DDThh:mm:ssZ
    OAIError:
      type: object
      properties:
        code:
          type: string
          enum:
          - badArgument
          - badResumptionToken
          - badVerb
          - cannotDisseminateFormat
          - idDoesNotExist
          - noRecordsMatch
          - noMetadataFormats
          - noSetHierarchy
        message:
          type: string
    OAIPMHResponse:
      type: object
      description: 'Root `<OAI-PMH>` element in namespace http://www.openarchives.org/OAI/2.0/. Authoritative definition: http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd.'
      properties:
        responseDate:
          type: string
          format: date-time
        request:
          type: string
          format: uri
        Identify:
          $ref: '#/components/schemas/Identify'
        error:
          $ref: '#/components/schemas/OAIError'
    Identify_2:
      type: object
      properties:
        repositoryName:
          type: string
          examples:
          - SNU Open Repository and Archive
        baseURL:
          type: string
          format: uri
        protocolVersion:
          type: string
          const: '2.0'
        adminEmail:
          type: string
          format: email
        earliestDatestamp:
          type: string
          format: date-time
          examples:
          - '2008-07-31T15:00:00Z'
        deletedRecord:
          type: string
          enum:
          - false
          - persistent
          - transient
        granularity:
          type: string
          enum:
          - YYYY-MM-DD
          - YYYY-MM-DDThh:mm:ssZ
    OAIError_2:
      type: object
      description: OAI-PMH protocol error, returned with HTTP 200.
      properties:
        code:
          type: string
          enum:
          - badArgument
          - badResumptionToken
          - badVerb
          - cannotDisseminateFormat
          - idDoesNotExist
          - noRecordsMatch
          - noMetadataFormats
          - noSetHierarchy
        message:
          type: string
    OAIPMHResponse_2:
      type: object
      description: Root `<OAI-PMH>` element in namespace http://www.openarchives.org/OAI/2.0/. Modelled structurally; the authoritative definition is the OAI-PMH 2.0 XSD at http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd.
      properties:
        responseDate:
          type: string
          format: date-time
        request:
          type: string
          format: uri
        error:
          $ref: '#/components/schemas/OAIError_2'
        Identify:
          $ref: '#/components/schemas/Identify_2'
x-refined-from:
- snu-kossda-oai-pmh-openapi.yml
- snu-s-space-oai-pmh-openapi.yml