generated: '2026-07-11' method: derived source: openapi/contract.yml, openapi/hedged-perpetual.yml, openapi/spot.yml, openapi/transfer.yml summary: types: - apiKey api_key_in: - header schemes: - name: HmacAuth type: apiKey in: header parameter: x-phemex-access-token description: HMAC SHA256 signed request. Also requires x-phemex-request-expiry and x-phemex-request-signature headers. sources: - openapi/contract.yml - openapi/hedged-perpetual.yml - openapi/spot.yml - openapi/transfer.yml