Third party carrier service in draft order

Retired Boards Appdev Fulfillment Api
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Topic summary

A developer successfully integrated a third-party carrier service that works for web orders but initially didn’t appear in draft order shipping options.

Technical Details:

  • Shopify was sending shipping rate requests to the callback URL correctly
  • The callback was returning properly formatted responses with service name, price, and description
  • Despite correct API communication, the shipping option wasn’t visible in the draft order menu

Resolution Found:
Working with Shopify support, the issue was identified: the "phone_required": true parameter in the shipping rate response prevented the option from displaying. The carrier service now appears in draft orders regardless of whether the customer has provided a phone number.

Status: Resolved. The shipping service now functions correctly for both web orders and draft orders after removing the phone requirement constraint.

Summarized with AI on November 17. AI used: claude-sonnet-4-5-20250929.
1

Hi everyone,

I’ve added a third party carrier service to my development store. It works fine with my web orders. Nevertheless when I try to add shipping to a draft order I do not see my shipping among the options. I’ve verified that Shopify do send shipping rate request to my callback url:

{
    "rate":
    {
        "origin":
        {
            "country": "US",
            "postal_code": "11205",
            "province": "NY",
            "city": "Brooklyn",
            "name": null,
            "address1": "139 Emerson Pl",
            "address2": null,
            "address3": null,
            "latitude": 40.6931936,
            "longitude": -73.961744,
            "phone": "",
            "fax": null,
            "email": null,
            "address_type": null,
            "company_name": "flot-prod"
        },
        "destination":
        {
            "country": "US",
            "postal_code": "11206-1111",
            "province": "NY",
            "city": "Brooklyn",
            "name": "T R",
            "address1": "129 Moore Street",
            "address2": "",
            "address3": null,
            "latitude": null,
            "longitude": null,
            "phone": "",
            "fax": null,
            "email": null,
            "address_type": null,
            "company_name": ""
        },
        "items":
        [
            {
                "name": "IN STOCK! Coffee beans",
                "sku": "",
                "quantity": 1,
                "grams": 454,
                "price": 2000,
                "vendor": "flot-prod",
                "requires_shipping": true,
                "taxable": true,
                "fulfillment_service": "manual",
                "properties":
                {},
                "product_id": 7736204624003,
                "variant_id": 42789333106819
            }
        ],
        "currency": "USD",
        "locale": "en"
    }
}

And the callback url do send a correct response:

{
    "rates": [
        {
            "service_name": "Flot Delivery",
            "service_code": "default",
            "currency": "USD",
            "description": "Same-day delivery for orders by 11pm, Mon-Fri, next working day otherwise",
            "phone_required": true,
            "total_price": 800
        }
    ],
    "date": "2023-07-24",
}

Still the option does not appear in draft order menu:

Screenshot 2023-07-24 at 05.13.04.png
Screenshot 2023-07-24 at 05.13.04.png1224×756 52.1 KB

How come?

2

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3

After careful investigation with Shopify support team (love you guys!) we found that the reason was in

"phone_required": true

It does not matter whether the customer has a phone number or not the rate with phone required will not be displayed. That’s how it works now.

1 Like