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OpenAPI Specification

openapi: 3.2.0
info:
  title: PANGAEA Data Download Services DOI Filter Terms API
  description: 'REST services for retrieving geoscientific data from PANGAEA''s archive. Two complementary services are provided: a DOI-based filter service for retrieving tabular data from specific datasets, and a geo-parameter service for cross-dataset retrieval filtered by geographic bounding box, temporal range, and depth constraints.

    '
  version: 1.0.0
  contact:
    name: PANGAEA Technical Support
    email: tech@pangaea.de
  license:
    name: CC-BY 3.0
    url: https://creativecommons.org/licenses/by/3.0/
  x-humanURL: https://www.pangaea.de/about/services.php
servers:
- url: https://ws.pangaea.de
  description: PANGAEA Web Services Production Server
tags:
- name: Terms
  description: Controlled vocabulary and term dictionary
paths:
  /pangaea-terms/term/_search:
    post:
      operationId: searchTerms
      summary: Search PANGAEA Term Dictionary
      description: 'Search PANGAEA''s controlled vocabulary and term dictionary used for classifying datasets by topic, parameter, and method. Elasticsearch-backed REST endpoint.

        '
      tags:
      - Terms
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SearchRequest'
            example:
              query:
                match:
                  name: temperature
              size: 10
      responses:
        '200':
          description: Term search results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TermSearchResponse'
components:
  schemas:
    TermSearchResponse:
      type: object
      properties:
        took:
          type: integer
        timed_out:
          type: boolean
        _shards:
          $ref: '#/components/schemas/ShardsInfo'
        hits:
          type: object
          properties:
            total:
              type: integer
            hits:
              type: array
              items:
                type: object
                properties:
                  _id:
                    type: string
                  _score:
                    type: number
                  _source:
                    type: object
                    properties:
                      name:
                        type: string
                        description: Term name
                      abbreviation:
                        type: string
                        description: Term abbreviation
                      unit:
                        type: string
                        description: Unit of measurement
                      type:
                        type: string
                        description: Term type (parameter, method, topic)
    ShardsInfo:
      type: object
      properties:
        total:
          type: integer
        successful:
          type: integer
        skipped:
          type: integer
        failed:
          type: integer
    SearchRequest:
      type: object
      description: Elasticsearch query DSL request body
      properties:
        query:
          type: object
          description: Elasticsearch query object (match, bool, range, geo_bounding_box, etc.)
        size:
          type: integer
          description: Number of results to return
          default: 10
          minimum: 1
          maximum: 10000
        from:
          type: integer
          description: Starting offset for pagination
          default: 0
        sort:
          type: array
          description: Sort criteria
          items:
            type: object
        aggs:
          type: object
          description: Aggregation definitions
        _source:
          oneOf:
          - type: boolean
          - type: array
            items:
              type: string
          description: Fields to include in source