generated: '2026-07-11' method: derived source: openapi/apis-io-search-openapi.yaml, openapi/apis-io-v1-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: api_key type: apiKey in: header parameter: x-api-key sources: - openapi/apis-io-search-openapi.yaml - name: ApiKeyAuth type: apiKey in: header parameter: X-API-Key description: Optional in v1. Defined so metering/rate-tiers can be enabled later without a breaking change. sources: - openapi/apis-io-v1-openapi.yml