generated: '2026-07-11' method: derived source: openapi/0x-api.yaml, openapi/0x-cross-chain.yaml summary: types: - apiKey api_key_in: - header schemes: - name: ApiKeyAuth type: apiKey in: header parameter: 0x-api-key sources: - openapi/0x-api.yaml - openapi/0x-cross-chain.yaml