The Sandbox environment in PayPal is a testing environment where instead of carrying out an actual transaction, you can test the setup using a dummy transaction. Apart from processing a transaction, you can even create and manage test accounts and also view emails and API credentials for those test accounts.
This tutorial will cover two related topics on Sandbox Accounts:
Now after completing the above steps make sure that you run some dummy transactions in your Magento store. Test whether your PayPal setup is capturing and processing orders correctly or not.
If you are unable to setup the Sandbox account correctly on your Magento store, then either follow the above steps once again carefully or Request a Quote with us. Our Magento team of experts will assist you in setting it up and configuring the account with your Magento shopping cart.