generated: '2026-07-11' method: derived source: openapi/kushki-card-payments-api-openapi.yml, openapi/kushki-card-present-api-openapi.yml, openapi/kushki-cash-payments-api-openapi.yml, openapi/kushki-merchants-api-openapi.yml, openapi/kushki-payouts-api-openapi.yml, openapi/kushki-subscriptions-api-openapi.yml, openapi/kushki-transfer-payments-api-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: PublicMerchantId type: apiKey in: header parameter: Public-Merchant-Id description: Client-side merchant key. Used by Kushki.js and mobile SDKs to tokenize cards. Never use server-side for charging. sources: - openapi/kushki-card-payments-api-openapi.yml - openapi/kushki-transfer-payments-api-openapi.yml - name: PrivateMerchantId type: apiKey in: header parameter: Private-Merchant-Id description: Server-side merchant key. Required for charge, capture, void, refund, subscription, and payout calls. sources: - openapi/kushki-card-payments-api-openapi.yml - openapi/kushki-card-present-api-openapi.yml - openapi/kushki-cash-payments-api-openapi.yml - openapi/kushki-merchants-api-openapi.yml - openapi/kushki-payouts-api-openapi.yml - openapi/kushki-subscriptions-api-openapi.yml - openapi/kushki-transfer-payments-api-openapi.yml