Shopify wants you to appear in the Shopify App Store as a fulfillment partner. This will allow Shopify merchants to use your app to provide shipping rates, fulfill orders, update those orders with tracking numbers, and keep track of inventory. Your app will act as a middle layer between Shopify and your fulfillment service. This document and sample application detail the steps necessary to use Shopify's fulfillment and carrier services APIs.
Fulfillment Services are responsible for fulfilling orders. This involves being notified by Shopify when an order is placed, and updating Shopify about order statuses and product inventory levels.
API doc at: http://docs.shopify.com/api/fulfillmentservice
Carrier Services provide shipping rates to Shopify, and are presumably backed by an actual shipping service. FedEx, UPS, USPS, Royal Mail, etc. are all carriers that might want to use this API.
The terms 'carrier' and 'shipping' are often used interchangably.
API doc at: http://docs.shopify.com/api/carrierservice
- Register as a Shopify Partner
- Create an app through the Partners Dashboard. See our Development Guide for more info.
- Register a fulfillment service. Directions are included below.
- Register a carrier service and subscribe to relevant notifications. Directions are included below.
- Provide specific endpoints for Shopify to send order info to trigger fulfillment, get shipping rates, or ask for inventory levels.
Add the write_fulfillments permission to your requested scopes.
On installation, create a new fulfillment service. You will need to provide the following parameters:
name- The name of your service as seen by merchants and their customershandle- The URL-compatible version of your service's nameinventory_management- Does your service keep track of product inventory and provid updates to Shopify?callback_url(If doing inventory checks) - The endpoint that Shopify should hit to get inventory and tracking updatestracking_support- Does your service provide tracking numbers for packages?requires_shipping_method- Do products fulfilled by your service require physical shipping?
Here’s an example of a request payload to make a new fulfillment service:
fulfillment_service.json:
{ "fulfillment_service":
{
"name": "My Fulfillment Service",
"handle": "my_fulfillment_service",
"callback_url": "http://myapp.com",
"inventory_management": true,
"tracking_support": true,
"requires_shipping_method": true,
"format": "json"
}
}
Here’s an example cURL request to Shopify that uses that fulfillment_service.json payload:
curl -X POST -d @fulfillment_service.json -H "Accept:application/json" -H "Content-Type:application/json" -H "X-Shopify-Access-Token:THE_AUTH_TOKEN_GOES_HERE" http://myshop.myshopify.com/admin/fulfillment_services
Subscribe to fulfillments/create and fulfillments/update webhooks using the Webhook API.
Expose the two following GET endpoints, rooted at the callback_url you defined when creating the service:
/fetch_tracking_numbers: expects a list of Shopify order IDs, returns the tracking numbers for those orders./fetch_stock: Expects a SKU and a shop name, returns the inventory level for that SKU
Example /fetch_tracking_numbers request from Shopify:
http://myapp.com/fetch_tracking_numbers?order_ids[]=1&order_ids[]=2&order_ids[]=3
Example /fetch_tracking_numbers response:
{ "tracking_numbers": {
"1": "qwerty",
"2": "asdfg",
"3": "zxcvb"
},
"message": "Successfully received the tracking numbers",
"success": true
}
Example /fetch_stock request:
https://myapp.com/fetch_stock?sku=123&shop=testshop.myshopify.com
Example /fetch_stock response:
{"123": 1000}
Add the write_shipping permission to your requested scopes.
On install, create a new carrier service through the API. It needs the following paramseters:
name- The name of your servicecallback_url- The endpoint Shopify should hit for shipping ratesservice_discovery- Should merchants be able to send dummy data to your service through the Shopify Admin to see examples of your shipping rates?format- json or xml
Here's an example of the request payload:
carrier_service.json:
{ "carrier_service":
{
"name": "My Carrier Service",
"callback_url": "http://myapp.com",
"service_discovery": true
"format": "json"
}
}
Example cURL request:
curl -X POST -d @carrier_service.json -H "Accept:application/json" -H "Content-Type:application/json" -H "X-Shopify-Access-Token:THE_AUTH_TOKEN_GOES_HERE" http://myshop.myshopify.com/admin/carrier_services
Your callback_url should be a public endpoint that expects a request for shipping rates and should return an array of applicable rates.
Example request from Shopify:
{
"rate": {
"origin": {
"country": "CA",
"postal_code": "K1S4J3",
"province": "ON",
"city": "Ottawa",
"name": "",
"address1": "520 Cambridge Street South",
"address2": "",
"address3": "",
"phone": "",
"fax": "",
"address_type": "",
"company_name": ""
},
"destination": {
"country": "CA",
"postal_code": "K1S 3T7",
"province": "ON",
"city": "Ottawa",
"name": "Jason Normore",
"address1": "520 Cambridge Street South Apt. 5",
"address2": "",
"address3": "",
"phone": "7097433959",
"fax": "",
"address_type": "",
"company_name": ""
},
"items": [
{
"name": "My Product 3",
"sku": "",
"quantity": 1,
"grams": 1000,
"price": 2000,
"vendor": "TestVendor",
"requires_shipping": true,
"taxable": true,
"fulfillment_service": "manual"
}
],
"currency": "CAD"
}
}
Example response:
{
"rates": [
{
'service_name': 'canadapost-overnight',
'service_code': 'ON',
'total_price': '1295',
'currency': 'CAD',
'min_delivery_date': '2013-04-12 14:48:45 -0400',
'max_delivery_date': '2013-04-12 14:48:45 -0400'
},
{
'service_name': 'fedex-2dayground',
'service_code': '1D',
'total_price': '2934',
'currency': 'USD',
'min_delivery_date': '2013-04-12 14:48:45 -0400',
'max_delivery_date': '2013-04-12 14:48:45 -0400'
},
{
'service_name': 'fedex-2dayground',
'service_code': '1D',
'total_price': '2934',
'currency': 'USD',
'min_delivery_date': '2013-04-12 14:48:45 -0400',
'max_delivery_date': '2013-04-12 14:48:45 -0400'
}
]
}
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