Why Do I Keep Getting a 403 Forbidden with Paypal?

Sophia Al-Mansoor
Sophia Al-Mansoor
• • 2 min read

I Integrated with Paypal Using the Html Forms Method for Accepting Payments on My Website. When a User Selects Paypal as a Payment Option on Checking Out, I...

Why Do I Keep Getting a 403 Forbidden with Paypal?

I integrated with PayPal using the HTML Forms method for accepting payments on my website. When a user selects PayPal as a payment option on checking out, I redirect them to the PayPal website using HTML Forms as described in the documentation. I do receive the payment to my PayPal account, however my on receiving the IPN message to my notify_url when I send the notify-validate command I get the error: 403 forbidden. Please assist. Everything is working as it should in sandbox but I start getting this error 403 forbidden.

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1 Answer

Try passing a "User-Agent: XXXXXXXXXXXXXXXX" HTTP header in your notify-validate request, where XXXXXX.. is any string > 5 characters

edit: newer documentation on this point

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Sophia Al-Mansoor

Sophia Al-Mansoor

Global Business & E-Commerce Reporter
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Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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