What is Difference Between Payment Sandbox & Live Mode ?
There are 2 modes of each Payment Modules
This mode is only for testing purposes letting only for the test mode payment which has different testing keys credentials that are entered in Theme Options settings.
The live model has different keys that are used for Real-Time payment.
If you are using sandbox mode use sandbox mode testing keys, If you want to switch to live mode payment then you need to enter live account keys in Theme Options to have real-time payment.
Let’s Take Example of Stripe
Please open this link
Here you will card number for testing purposes.