Order processing with Inventory Management

Step 8. Prepare for checkout

Now that all the items have been added to the cart, we can prepare the quote for checkout. This process includes the following steps:

  • Estimate shipping costs
  • Set shipping and billing information

Estimate shipping costs

Magento calculates shipping costs for each shipping method that can be applied to the order. In this tutorial, the flatrate ($5 per item) shipping method is active.

Endpoint

POST <host>/rest/us/V1/carts/mine/estimate-shipping-methods

Scope

us store view

Headers

Content-Type: application/json

Authorization: Bearer <customer token>

Payload

The payload contains the shipping address.

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{  "address": {
      "region": "New York",
      "region_id": 43,
      "region_code": "NY",
      "country_id": "US",
      "street": [
        "123 Oak Ave"
        ],
      "postcode": "10577",
      "city": "Purchase",
      "firstname": "Jane",
      "lastname": "Doe",
      "customer_id": 5,
      "email": "jdoe@example.com",
      "telephone": "(512) 555-1111",
      "same_as_billing": 1
  }
}

Response

The cost for the flatrate shipping method is $350 (70 items x $5 each). The downloadable item does not have a shipping charge because it is not a physical product.

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[
    {
        "carrier_code": "flatrate",
        "method_code": "flatrate",
        "carrier_title": "Flat Rate",
        "method_title": "Fixed",
        "amount": 350,
        "base_amount": 350,
        "available": true,
        "error_message": "",
        "price_excl_tax": 350,
        "price_incl_tax": 350
    }
]

Set shipping and billing information

In this call, you specify the shipping and billing addresses, as well as the selected carrier_code and method_code. The customer has selected the Flat Rate shipping method.

Magento returns a list of payment options and calculates the order totals.

Endpoint

POST <host>/rest/us/V1/carts/mine/shipping-information

Scope

us store view

Headers

Content-Type: application/json

Authorization: Bearer <customer token>

Payload

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{
"addressInformation": {
    "shipping_address": {
        "region": "New York",
        "region_id": 43,
        "region_code": "NY",
        "country_id": "US",
        "street": [
            "123 Oak Ave"
        ],
        "postcode": "10577",
        "city": "Purchase",
        "firstname": "Jane",
        "lastname": "Doe",
        "email": "jdoe@example.com",
        "telephone": "512-555-1111"
    },
    "billing_address": {
        "region": "New York",
        "region_id": 43,
        "region_code": "NY",
        "country_id": "US",
        "street": [
            "123 Oak Ave"
        ],
        "postcode": "10577",
        "city": "Purchase",
        "firstname": "Jane",
        "lastname": "Doe",
        "email": "jdoe@example.com",
        "telephone": "512-555-1111"
    },
    "shipping_carrier_code": "flatrate",
    "shipping_method_code": "flatrate"
    }
}

Response

The subtotal of the order is $2462, and shipping charges are $350. The grand total is $2812.

The available payment methods are banktransfer and checkmo. The customer will specify a payment method in the next step.

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{
    "payment_methods": [
        {
            "code": "banktransfer",
            "title": "Bank Transfer Payment"
        },
        {
            "code": "checkmo",
            "title": "Check / Money order"
        }
    ],
    "totals": {
        "grand_total": 2812,
        "base_grand_total": 2812,
        "subtotal": 2462,
        "base_subtotal": 2462,
        "discount_amount": 0,
        "base_discount_amount": 0,
        "subtotal_with_discount": 2462,
        "base_subtotal_with_discount": 2462,
        "shipping_amount": 350,
        "base_shipping_amount": 350,
        "shipping_discount_amount": 0,
        "base_shipping_discount_amount": 0,
        "tax_amount": 0,
        "base_tax_amount": 0,
        "weee_tax_applied_amount": null,
        "shipping_tax_amount": 0,
        "base_shipping_tax_amount": 0,
        "subtotal_incl_tax": 2462,
        "shipping_incl_tax": 350,
        "base_shipping_incl_tax": 350,
        "base_currency_code": "USD",
        "quote_currency_code": "USD",
        "items_qty": 71,
        "items": [
            {
                "item_id": 5,
                "price": 32,
                "base_price": 32,
                "qty": 20,
                "row_total": 640,
                "base_row_total": 640,
                "row_total_with_discount": 0,
                "tax_amount": 0,
                "base_tax_amount": 0,
                "tax_percent": 0,
                "discount_amount": 0,
                "base_discount_amount": 0,
                "discount_percent": 0,
                "price_incl_tax": 32,
                "base_price_incl_tax": 32,
                "row_total_incl_tax": 640,
                "base_row_total_incl_tax": 640,
                "options": "[]",
                "weee_tax_applied_amount": null,
                "weee_tax_applied": null,
                "name": "Voyage Yoga Bag"
            },
            {
                "item_id": 6,
                "price": 36,
                "base_price": 36,
                "qty": 50,
                "row_total": 1800,
                "base_row_total": 1800,
                "row_total_with_discount": 0,
                "tax_amount": 0,
                "base_tax_amount": 0,
                "tax_percent": 0,
                "discount_amount": 0,
                "base_discount_amount": 0,
                "discount_percent": 0,
                "price_incl_tax": 36,
                "base_price_incl_tax": 36,
                "row_total_incl_tax": 1800,
                "base_row_total_incl_tax": 1800,
                "options": "[]",
                "weee_tax_applied_amount": null,
                "weee_tax_applied": null,
                "name": "Driven Backpack"
            },
            {
                "item_id": 7,
                "price": 22,
                "base_price": 22,
                "qty": 1,
                "row_total": 22,
                "base_row_total": 22,
                "row_total_with_discount": 0,
                "tax_amount": 0,
                "base_tax_amount": 0,
                "tax_percent": 0,
                "discount_amount": 0,
                "base_discount_amount": 0,
                "discount_percent": 0,
                "price_incl_tax": 22,
                "base_price_incl_tax": 22,
                "row_total_incl_tax": 22,
                "base_row_total_incl_tax": 22,
                "options": "[{\"value\":\"Yoga Adventure\",\"label\":\"Downloads\"}]",
                "weee_tax_applied_amount": null,
                "weee_tax_applied": null,
                "name": "Yoga Adventure"
            }
        ],
        "total_segments": [
            {
                "code": "subtotal",
                "title": "Subtotal",
                "value": 2462
            },
            {
                "code": "giftwrapping",
                "title": "Gift Wrapping",
                "value": null,
                "extension_attributes": {
                    "gw_item_ids": [],
                    "gw_price": "0.0000",
                    "gw_base_price": "0.0000",
                    "gw_items_price": "0.0000",
                    "gw_items_base_price": "0.0000",
                    "gw_card_price": "0.0000",
                    "gw_card_base_price": "0.0000"
                }
            },
            {
                "code": "shipping",
                "title": "Shipping & Handling (Flat Rate - Fixed)",
                "value": 350
            },
            {
                "code": "tax",
                "title": "Tax",
                "value": 0,
                "extension_attributes": {
                    "tax_grandtotal_details": []
                }
            },
            {
                "code": "grand_total",
                "title": "Grand Total",
                "value": 2812,
                "area": "footer"
            },
            {
                "code": "customerbalance",
                "title": "Store Credit",
                "value": 0
            },
            {
                "code": "reward",
                "title": "0 Reward points",
                "value": 0
            }
        ],
        "extension_attributes": {
            "reward_points_balance": 0,
            "reward_currency_amount": 0,
            "base_reward_currency_amount": 0
        }
    }
}

Verify this step

Sign in to the US store (http://<host>/us) as the customer and go to the checkout page.

The payment method is Bank Transfer, the billing and shipping addresses are displayed, and the shipping charges and shipping charges calculate and display.