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Introduction
GUIDE
Online Payment
Point of Sale
Plugins
Payment Methods
Financial Report
Security
Incident Priorities
SDK
Tutorials & Examples
API REFERENCE V3
Sandbox Environment
Apply Sandbox Credentials
Signing API Parameters
Customers
Payments
Transaction Revert
Transaction Data Search
Payouts
Notes
中文
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Sandbox Environment

Sandbox Account

Yuansfer offers a sandbox environment to be used for testing the entire transaction flow and various use cases before deploying your service into a live environment.
You can get a sandbox account easily by applying on Yuansfer Sandbox Application Or click on the "Apply Sandbox Credentials" link below the Sandbox Environment tab to apply.
Live and Sandbox environments have different base URL's, but all API names are the same. You can just use the dedicated secret token for live or sandbox transaction. Requests made with test mode credentials never hit the banking networks and incur no cost.
The base URL of the Sandbox environment API is: https://mapi.yuansfer.yunkeguan.com

UnionPay Sandbox Account Info

Parameter
Value
Card Number
6226388000000095
CVV
248
EXP
12/2025
Phone
18100000000
Verification Code
111111

Alipay Sandbox Account Info

Parameter
Value
Account
Captcha Code
8888
Login Password
111111
Payment Password on Cashier Page
111111

Paypal Sandbox Account Info

Parameter
Value
Account
Password
11111111
If you want more sandbox info, you can contact to Yuansfer Support Team.

Pay Treasure Sandbox APK

You can download the Sandbox APK here. No account is needed.
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Signing API Parameters
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Sandbox Account
Pay Treasure Sandbox APK