Add a Checkout Link to Automation Flow Messages

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Postscript makes it easy for shops to add a checkout link to various automation flow messages, reducing the number of steps it takes a subscriber to complete a purchase.

Shops can add a checkout link to flows with the following triggers:

  • Product Added to Cart. When a shopper adds an item to their cart but doesn't start the checkout process, send them a link that'll take them straight there.

Tags such as {product_url} or {shop_link} take a subscriber to the product page or the shop's main page.

Adding a {checkout_link} message tag will generate a unique link that takes a subscriber straight to their checkout page. The subscriber's item(s) are prefilled (including the variant) and if they're a previous customer, they're shipping information prefills as well. All that's left for the subscriber to do is fill out shipping information (if needed) and payment details.


  1. Select the Tag icon in the lower-right corner of the message editor.
  2. Select Checkout Link under Event.
  3. Save by selecting the Save button in the lower-right corner of the editor.
  4. You can preview your link in the text preview to the right of the message field.
Sending a test message? Some pre-purchase automations generate links unique to a shopper's cookied browsing session. For this reason, if you send yourself a preview message, you will see the tag {checkout_link} in your message. Don't panic—this happened because your test message wasn't triggered by a browsing session or a back in stock request, so there is no checkout for Postscript to link you to.


  • What if Postscript has no customer data to fill in the Shipping Information section?
    • If the subscriber is a new customer or if no shipping data is available, then the shipping information fields are left blank. The subscriber would still be taken to the checkout page with the pre-filled product and variant, and they would simply need to enter their shipping details.
  • If a subscriber has an active cart and they click a checkout link, does the item in the checkout link get added to the active cart? 
    • No. The checkout link will create a new cart that only contains the product from the automation message. If a subscriber added multiple products, then the first product the subscriber added to their cart would be the product referenced in the message.
  • If a subscriber has items in their cart and clicks a checkout link, will their current cart be overridden? 
    • Yes. However, this would be browser or device-specific. For example, if a subscriber had an active cart in a browser on their laptop and they clicked a checkout link on their phone, the cart in the browser on their laptop would not be overridden. 

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