[Checkout 4.0](https://api.fabric.inc/order/checkout-4.0)
To checkout using Stripe, the following APIs must be run sequentially.

- Add Items to Cart (https://fabric.inc/docs/openapi/oms/reference/#operation/addItemToCart)

`POST https://{baseurl}/api-cart/cart/item`

Request Body:

    {
        "cartId":null,
        "items": [
            {
                "itemId": 170,
                "quantity": 1,
                "group": [
                    "123123123123123213212222"
                ],
                "price": {
                    "sale": 0,
                    "base": 0,
                    "discount": {
                        "price": 0,
                        "discountAmount": 0,
                        "promosApplied": []
                    },
                    "currency": "USD"
                },
                "extra": {}
            }
        ]
    }

- Create Shipping (https://fabric.inc/docs/openapi/oms/reference/#operation/shipToCreation)
`POST https://{baseurl}/api-cart/ship-to/cart/{cartId}`

Request Body:

    {
      "shipToType": "SHIP_TO_ADDRESS",
      "isPickup": true,
      "taxCode": "FR1000",
      "shipMethod": {
        "shipMethodId": "1a2b3c4d5e6f7g8h9i0j",
        "shipmentCarrier": "Fedex",
        "shipmentMethod": "Next Day",
        "cost": {
          "currency": "USD",
          "amount": 5.99
        }
      },
      "address": {
        "attention": "Leave at the back door.",
        "street1": "123 Main Street",
        "street2": "ABC Boulevard",
        "city": "Seattle",
        "state": "WA",
        "country": "United States of America",
        "zipCode": "10008-1234",
        "kind": "TBD",
        "name": {
          "first": "John",
          "last": "Smith"
        },
        "phone": {
          "number": "123-456-7890",
          "kind": "Mobile"
        },
        "email": "[e-mail]"
      }
    }

- Add Shipping to Line Items (https://fabric.inc/docs/openapi/oms/reference/#operation/addShipTo-v1)
`PATCH https://{baseurl}/api-cart/cart/{cartId}/ship-to/v1`

Request Body:

    [
      {
        "itemId": 123456,
        "lineItemId": 3,
        "shipTo": "5e5818a84d030c206b2ffb02"
      }
    ]

- Create Payment Method
This step for getting the payment token, we can use the stripe API to get it or use the token from privice order

- Create And Confirm Payment Intent (https://fabric.inc/docs/openapi/oms/reference/#operation/createPaymentMethod)
`POST https://{baseurl}/ext-stripe/payment-method`

Request Body:

    {
        amount: 10,
        currency: 'USD',
        confirm: true,
        payment_method: paymentMethodId,
        "metadata": {
            "keyName": "key value"
        },
    }

- Add payment to cart (https://fabric.inc/docs/openapi/oms/reference/#operation/addPaymentToCart)
`POST https://{baseurl}/api-payment/payment`

Request Body:

    {
        "cartId": "60b90dd7308ded0008ee3c5d",
        "paymentDetails": {
            "transactionDetails": {
                paymentType: 'CARD_STRIPE',
                paymentToken: paymentIntentId,
              },
            "amount": 50.25,
            "currency": "USD"
        },
        "billToAddress": {
            "name": {},
            "email": "[e-mail]",
            "phone": {},
            "street1": "600 Congress Ave",
            "street2": "suite 219",
            "city": "Austin",
            "state": "Tx",
            "country": "US",
            "zipCode": "10033"
        }
    }

- Checkout (https://fabric.inc/docs/openapi/oms/reference/#operation/orderCheckoutV4)
`POST https://{baseurl}/api-order/checkout-v4)`

Request Body:

    {
        "cartId": "5e4876e10cfe1d8902005d33",
        "customerEmail": "[e-mail]",
        "customerPhoneNumber": {
            "number": "123-456-7890",
            "kind": "Mobile"
        },
        "paymentDetails": [],
        "estimatedTax": {
            "itemsTaxes": [],
            "shipToTaxes": []
        }
    }