Checkout Step 1: Enter Email

The first step of the checkout flow is to enter the customer's email. Then, use the Update Cart API route to update the cart with the email.

Tip: If the customer is logged-in, you can pre-fill the email with the customer's email.

For example:

After the customer enters and submits their email, you send a request to the Update Cart API route passing it the email in the request body.

Notice that if the cart doesn't have items, you should redirect to another page as the checkout requires at least one item in the cart.

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