openapi: 3.1.0
info:
  title: Data Commons REST API V2 Node API
  version: '2.0'
  description: Minimal OpenAPI description of the Data Commons V2 REST API for fetching statistical observations, querying graph nodes, and resolving entities. Generated from public Data Commons documentation.
  x-generated-from: https://docs.datacommons.org/api/rest/v2/
  x-generated-by: claude-crawl-2026-05-08
servers:
- url: https://api.datacommons.org/v2
  description: Data Commons production
security:
- apiKeyHeader: []
- apiKeyQuery: []
tags:
- name: Node
paths:
  /node:
    get:
      tags:
      - Node
      summary: Query node properties and arcs
      parameters:
      - $ref: '#/components/parameters/KeyQuery'
      - name: nodes
        in: query
        schema:
          type: array
          items:
            type: string
      - name: property
        in: query
        schema:
          type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
    post:
      tags:
      - Node
      summary: Query node properties and arcs
      requestBody:
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
components:
  parameters:
    KeyQuery:
      name: key
      in: query
      schema:
        type: string
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      in: header
      name: X-API-Key
    apiKeyQuery:
      type: apiKey
      in: query
      name: key