openapi: 3.0.3 info: title: National Park Service Data Activities Topics API description: The NPS Data API provides official, authoritative data and content about United States national parks, monuments, and historic sites. The API delivers information about parks, alerts, news releases, events, places, visitor centers, campgrounds, articles, people, and more. version: 1.0.0 contact: name: National Park Service Developer Resources url: https://www.nps.gov/subjects/developer/api-documentation.htm servers: - url: https://developer.nps.gov/api/v1 description: Production security: - apiKey: [] tags: - name: Topics paths: /topics: get: summary: List topics covered by NPS responses: '200': description: Topics. tags: - Topics components: securitySchemes: apiKey: type: apiKey in: header name: X-Api-Key