Monetize your blog by selling text links using paypal subscriptions
The PayPal Sandbox is a self-contained, virtual testing environment that mimics the live PayPal production environment. It provides a shielded space where you can initiate and watch your application process the requests you make to the PayPal APIs without touching any live PayPal accounts.
Paypal by default does not allow duplicate invoices. When you try to pay for a duplicate invoice id, paypal will produce the following error:
The transaction was refused as a result of a duplicate invoice ID supplied. Attempt with a new invoice ID
If this were to happen, one of the reasons could be that the configuration in Paypal is set to not accept duplicate invoices. you may receive orders from various places and if the invoice numbers are the same, Paypal recognises there is an invoice duplication.
Requires: 2.8 or higher
Compatible up to: 4.2.11
Last Updated: 2 years ago
Active Installs: 100+
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