Required to Checkout
In order to get check out a cart, you need to get a checkout_token from GET /carts/{cart_id}/bill. And for that to happen, a cart has to have certain information attached to it.
The absolute minimum checkout checklist is:
- Add at least one item to cart.
- Add delivery or pickup information.
- Attach payment details.
Follow the links above for more information on each of those steps.