generated: '2026-07-11' method: derived source: openapi/congress-gov-api-openapi.yml summary: types: - apiKey api_key_in: - query schemes: - name: ApiKeyQuery type: apiKey in: query parameter: api_key description: API key required for all requests. Register at https://api.congress.gov/sign-up to obtain a key. sources: - openapi/congress-gov-api-openapi.yml