---
url: >-
  https://acquirer-api-docs-v4-en.pingpongx.com/en/notes/integrate/operation/index.md
description: >-
  This document describes how to configure payment link information in the
  PingPongCheckOut backend, including steps such as login, maintaining brand
  information, adding payment link details, etc. It is suitable for merchants
  who need to customize payment email templates and control payment link
  validity periods. Pay special attention to the uniqueness and length limit (64
  characters) of business order numbers.
---
### 1. Login to Merchant Backend
Log in to your account and password to access the PingPongCheckOut backend. Please <a href = "https://checkout.pingpongx.com/">click here</a> to log in.

### 2. Maintain Payment Link Brand Information
The payment link brand information function configures the display of email Logo, website and other information in the payment email received by users, and also includes the configuration of payment link validity period.

(1) Function menu location

<v4-iImage src = "/payByLink/1.png" name = "Image 1"></v4-iImage>

(2) Function display

<v4-iImage src = "/payByLink/2.png" name = "Image 2"></v4-iImage>

Define email template

<v4-iImage src = "/payByLink/3.png" name = "Image 3"></v4-iImage>

### 3. Add Payment Link Information
The payment link function is used to maintain payment information, including recipient's email address, phone number, purchased product information, brand information. Through this function, you can maintain the specific payment information to be sent to the recipient.

(1) Function menu location

<v4-iImage src = "/payByLink/4.png" name = "Image 4"></v4-iImage>

(2) Add payment link interface display
:::note Note
 The business order number in the payment link product information is generally used as the website order number for merchant-side transactions. Please pay attention to the uniqueness and total character length limit (64 characters).
:::
<v4-iImage src = "/payByLink/5.png" name = "Image 5"></v4-iImage>

### 4. User receives payment link email and makes payment
Email content reference:

<v4-iImage src = "/payByLink/6.png" name = "Image 6"></v4-iImage>

Order confirmation page:
<v4-iImage src = "/payByLink/7.png" name = "Image 7"></v4-iImage>

Payment page:
<v4-iImage src = "/payByLink/8.png" name = "Image 8"></v4-iImage>

Cashier page:
<v4-iImage src = "/payByLink/9.png" name = "Image 9"></v4-iImage>

Payment completion page:
<v4-iImage src = "/payByLink/10.png" name = "Image 10"></v4-iImage>

### 5. Merchant backend order page display

<v4-iImage src = "/payByLink/11.png" name = "Image 11"></v4-iImage>