---
title: "Flow Diagrams"
source_url: https://docs.rapyd.net/en/flow-diagrams-422736.html
lang: en
---

# Flow Diagrams

### sale, preauth and refund

### Successful transaction

![Polling_Successful-Sale-Preauth-Refund.png](image/img-84f85a2d4f5ac251fdfb45ce2b90f892.png)

### Transaction cancelled by cardholder or merchant

![Polling-_Sale_Cancelled.png](image/img-ac661f965b7b27b385013acccfda2026.png)

### Polling: Not Polled on Time (Void)

![cloudlink_poll_timeout.png](image/img-ea2fd957eaf10c5c42164f1b406cb301.png)

### Polling: Merchant Configuration

![Polling-_Merchant_Configuration.png](image/img-77c99dcfe5a9f44805b8714695b2228f.png)

### Polling: Successful Void

![Polling-Successful-Void.png](image/img-b46efbf8484ebc5f01f18765f3be8e7a.png)

### Polling: Pre-Auth Completion

![Polling_Pre-Auth_Completion.png](image/img-0fb83ccd6acde286d291424370084d5e.png)

### Polling: Discount Card Flow

![polling-Discount-Card-Flow.png](image/img-fca008ec7b80934a5df6ddfb1c47a8c6.png)

### Polling: Report Request

![cloudlink_poll_reports.png](image/img-25d2ed441bf8db5fbdbfb436335ed6b2.png)

### Polling: Activation

![cloudlink_poll_register_pair.png](image/img-257a047aa062ca34983e64b919894c26.png)

### CloudLink Down (Polling)

![cloudlink_poll_downtime.png](image/img-f37c8d0314ae57a43f2da180961268c1.png)

### Terminal Busy (Polling)

![cloudlink_poll_terminal_busy.png](image/img-9644799d6cedaa2b2fc6ee15d3497be3.png)