Nanyang Technological University

DR-NTU (Data) — Dataverse API

NTU's institutional open research data repository, running Dataverse 6.1 self-hosted on NTU's own network. The publicly documented, unauthenticated read subset covers dataset search and the platform version endpoint. Deposit and restricted-file access require an X-Dataverse-key token issued through an NTU account. This is the only API in this profile that NTU actually operates.

Documentation GitHub OpenAPI

Operations 1

GET /search Search published content #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: DR-NTU (Data) Dataverse Search API
  description: Subset of the Dataverse 6.1 HTTP API as exposed by DR-NTU (Data), NTU's institutional open-access research data repository.
  version: '6.1'
  contact:
    name: DR-NTU (Data)
    url: https://researchdata.ntu.edu.sg/
  license:
    name: DR-NTU (Data) API Terms of Use
    url: https://libguides.ntu.edu.sg/drntudataguidespolicies/APITermsOfUse
servers:
- url: https://researchdata.ntu.edu.sg/api
  description: DR-NTU (Data) production API
tags:
- name: Search
paths:
  /search:
    get:
      operationId: search
      summary: Search published content
      description: Full-text and faceted search over published Dataverses, datasets, and files. Returns a Dataverse search envelope with a data.items array.
      tags:
      - Search
      parameters:
      - name: q
        in: query
        required: true
        description: Search query string. Use "*" to match all.
        schema:
          type: string
        example: '*'
      - name: type
        in: query
        description: Restrict results to a content type.
        schema:
          type: string
          enum:
          - dataverse
          - dataset
          - file
      - name: per_page
        in: query
        description: Number of results per page (max 1000).
        schema:
          type: integer
          minimum: 1
          maximum: 1000
          default: 10
      - name: start
        in: query
        description: Zero-based offset of the first result.
        schema:
          type: integer
          minimum: 0
          default: 0
      responses:
        '200':
          description: Search results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SearchResponse'
components:
  schemas:
    SearchItem:
      type: object
      description: A single search hit (dataset shape shown; files/dataverses share the envelope).
      properties:
        name:
          type: string
        type:
          type: string
          enum:
          - dataverse
          - dataset
          - file
        url:
          type: string
          format: uri
        global_id:
          type: string
        description:
          type: string
        published_at:
          type: string
          format: date-time
        publisher:
          type: string
        citationHtml:
          type: string
        citation:
          type: string
        identifier_of_dataverse:
          type: string
        name_of_dataverse:
          type: string
        storageIdentifier:
          type: string
        keywords:
          type: array
          items:
            type: string
        subjects:
          type: array
          items:
            type: string
        fileCount:
          type: integer
        versionId:
          type: integer
        versionState:
          type: string
        majorVersion:
          type: integer
        minorVersion:
          type: integer
        createdAt:
          type: string
          format: date-time
        updatedAt:
          type: string
          format: date-time
        contacts:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              affiliation:
                type: string
        authors:
          type: array
          items:
            type: string
    SearchResponse:
      type: object
      properties:
        status:
          type: string
          example: OK
        data:
          type: object
          properties:
            q:
              type: string
            total_count:
              type: integer
            start:
              type: integer
            spelling_alternatives:
              type: object
              additionalProperties: true
            items:
              type: array
              items:
                $ref: '#/components/schemas/SearchItem'
            count_in_response:
              type: integer
x-operator: institution