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Automatic Setup fails with PayPal API


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What I've found it seems to depend on the email address from your Paypal account you use. If it is the main email address seems to be fine and if you use any other email gives you an error about invalid receiver email

I don't use the main email address used within WHMCS and it works fine


What you do need to make sure is that the PayPal email address within WHMCS payment gateway matches the PayPal account or one of the optional email addresses


However this error is more likely from not setting up the call-back script within the Merchant Account at PayPal

Presumably the transaction ID is not showing in the WHMCS payment

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Is your IPN set correctly with PayPal? Check under your profile settings with PayPal to be sure this is set to on and set correctly to respond to your purchases.




Instant Payment Notification (IPN)You have turned on the IPN feature. You can view your IPNs on the IPN History page. If necessary, you can resend IPN messages from that page. For more information on using and troubleshooting this feature, read more about Instant Payment Notification (IPN).


To stop receiving IPNs permanently, click Turn Off IPN.



Current settings

Notification URL http://www.yourwebsite.com/whmcs/x/x/x

Message delivery Enabled


This is what responds to a purchase from your Payment Gateway WHMCS account:

API Username: sales_api1.yourwebsite.com

PayPal Email: sales@yourwebsite.com


They all have to match from Paypal and WHMCS.




Edited by rdavis
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