Is there a way to POST /cart/update.js on checkout. I know it can be used at the cart page but doesn’t seem to work on the checkout page. I just need a way to update the cart while on the checkout steps. Our shop has a Shopify Plus Plan. Thanks!

Not all checkouts will have a cart in the first place so posting back there makes no sense. Do your checkouts have a cart or are they created via other channels - like Draft Orders? Depending on what step you’re on would also impact what happens to the currency Checkout object. What doesn’t work? D…

I’m trying to update the cart.attributes property on the checkout page. On the cart page, I do this by running the javascript code using jQuery. $.post('/cart/update.js', { attributes : { "my-attribute": "my-attribute-value" } } ); On checkout page, I ran the code: $.post('/cart/update.js', { at…

Try posting to /cart.js instead, that’s working for me! Also, make sure if you are using jQuery in checkout that you are adding jQuery (it’s not added by default).

I’m using Vanilla JS - so using the xhr method. But I’m running into this same issue. I’m trying to post a cart attribute after shipping has been selected and a customer clicks “Continue to payment”. Console returns a 200 indicating it was successful and the Cart API Reference shopify provides does…

How can I post /cart/update.js on checkout in Shopify Plus?

Technical Q&A

sadiesaurdiff February 8, 2021, 6:09pm 4

Having the exact same issue, would love to know if there is a solution.

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How can I post /cart/update.js on checkout in Shopify Plus?

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