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less than a minute read • Updated 9 minutes ago

Interact with the cart server-side

How to create and modify carts via server-side requests instead of browser-initiated links and forms.

In addition to standard browser-initiated cart links and forms, you can create and modify carts via server-side requests. This is useful when you have existing cart functionality on your own system and want to hand off to Foxy only for checkout, or when you need to construct carts programmatically before presenting them to the customer.

Two approaches

1. The /cart endpoint

The simplest approach. Make server-side requests to the /cart endpoint using the same parameters you would use in a standard cart link, with output=json so you can parse the response.

https://YOURSTORE.foxycart.com/cart?name=Product+Name&price=10.00&output=json

2. The Hypermedia API

The Foxy Hypermedia API (hAPI) offers more flexibility and functionality than the /cart endpoint. If you are already building against the hAPI for other parts of your integration, using a consistent approach may be preferable.

See the Foxy API documentation for details.

Common use case

The most common reason to interact with the cart server-side is if you already have cart functionality within your own system and want to use Foxy purely as a hosted checkout page. See Using Foxy without the cart for more on this approach.

Notes

  • Server-side requests to the /cart endpoint must include a valid session ID to modify an existing customer session.

  • For a full list of cart parameters, see Cart parameters reference.

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