...
| Note |
|---|
You must use live PayPal credentials. Using sandbox credentials will result in an error reading “Security error: Security header is not valid” |
| Info |
|---|
Please click here for instructions on how to integrate PayPal with Direct API landers. |
...
Stand Alone Transaction cannot be used with this feature. Make sure Stand Alone Transaction is unchecked inside of the campaign product.
First, contact PayPal and have the Reference Transaction Enabled enabled on their end your account if you are planning to enable rebilling or upsells with PayPal.
...
Make sure you check the referenceTransactionsEnabledreferenceTransactions box on your PayPal MID setup to enable rebilling and upsells for seamless checkout.
After enabling the referenceTransactionsEnabledreferenceTransactions option on your PayPal MID, log into your PayPal merchant account and confirm that your account is configured correctly to support Reference Transactions.
Rebills and one-click upsells WILL NOT WORK if this option is not set on your PayPal MID and if your PayPal account is not configured correctly to support this
You can also send the fulfillment tracking numbers back to PayPal by enabling the sendFulfillmentTrackingNumber option and filling in the clientId and secret fields.
Add this code inside the form element on the upsell page:
...