Payson is a Swedish payment gateway for Shopp powered by the Payson payment processing solution. It is a remote payment system that does not require that SSL on your website.

Payson Account Setup

To start using the Payson payment gateway, you’ll need to setup a Verified Payson account.

When you have your verified account setup, you’ll need to request an Agent registration for your details to enter into Shopp’s Payson settings. You have access to your details as soon as you’ve filled out all about your webshop in the Agent registration.


  • Uncompress the add-on files
  • Upload the folder (directory) and all its contents to your Shopp add-ons folder (directory) under: .../wp-content/shopp-addons


You will be given credentials that you will need to copy into your Shopp Payson settings. Copy the following details from Payson to your Payson settings in Shopp and click Save Changes:

  • Payson AgentID
  • Payson seller email
  • Paysons secret key
  • Name of your webshop
  • What methods of payment you accept
  • If you offer the Payson-guarantee

Enable test mode

By toggling on this setting, you will be able to run test checkouts using Payson without any money changing hands or accounts being debited. Orders processed with this won’t be processed and marked as complete.

When testing Payson I recommend creating two accounts and fill one with a small amount (maybe $1 USD) and try that with a cheap shipping fee and a cheap product, just to make sure it works with Shopp.

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