Add Store Credit
Applies any available store credit to a checkout. As on the storefront, all available store credit will be used (up to the value of the order) and no amount need be specified.
> #### Note
> * Substitute your storefront domain for `yourstore.example.com`.
> * The Send a Test Request feature is not currently supported for this endpoint.
> * This endpoint requires using Stencil CLI, a local session, and a csrf token to work.
Path parameters
checkoutId
Response
Returns Checkout Object.