generated: '2026-07-11' method: derived source: openapi/doi-usgs-water-openapi.yml summary: types: - apiKey api_key_in: - header - query schemes: - name: ApiKeyHeader type: apiKey in: header parameter: api_key description: Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signup sources: - openapi/doi-usgs-water-openapi.yml - name: ApiKeyQuery type: apiKey in: query parameter: api_key description: Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signup sources: - openapi/doi-usgs-water-openapi.yml