# Recurring Payment API

- [Message Flow Transaction](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/message-flow-transaction.md)
- [Post Transaction](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/message-flow-transaction/post-transaction.md)
- [Update Card](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/message-flow-transaction/update-card.md)
- [JSON Message Format](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/json-message-format.md)
- [Update Member](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/json-message-format/update-member.md)
- [Inquiry Status](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/json-message-format/inquiry-status.md): Inquiry Status Member Recurring
- [Payment Notification](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/json-message-format/payment-notification.md)
- [Notification CC Expired](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/json-message-format/notification-cc-expired.md): Notification Credit Card Expired
- [Status Response Code](/merchant-integration/api-reference-1/credit-card-transaction/recurring-payment-api/status-response-code.md)