Authorization trials (such as Hold Trial Charge, Authorize and Void, etc.) are not supported through PayPal Seamless Checkout
You must use live PayPal credentials. Using sandbox credentials will result in an error reading “Security error: Security header is not valid”
We made it very easy for you to connect your PayPal account to your Checkout Champ checkout page. This document provides instructions on how to do so.
PayPal integration uses Express Checkout.
Step 1: Login and navigate to the funnel on which to add PayPal
Step 2: Click the Edit button on the top left to open the funnel settings
Step 3: Open the Payments section
Step 4: Add a new PayPal gateway or select an existing PayPal gateway
Step 4-1: Adding New PayPal account
Enter a title and also the apiUsername, apiPassword, and apiSignature acquired from PayPal back end (brandName is not required).
The Accepted Payments and Additional Options sections will not affect PayPal gateways, but be sure to enter Limits and Gateway Details.
referenceTransactionsEnabled - Required if using PayPal for upsells and/or recurring billings
sendAddressOnUpsell - Checkout Champ will send the address for upsell transactions to PayPal
guestCheckout - Will redirect the customer to PayPal’s guest checkout page instead of the PayPal login page
sendFulfillmentTrackingNumber - Checkout Champ will send the tracking numbers for orders to PayPal (Must add “clientId” and “secret” to PayPal credentials)
Step 5: Save and Continue
Step 6: Edit Checkout page and add PayPal button
There are 2 PayPal buttons from which to choose. The difference is style only. You can add multiple PayPal buttons to a page.