API integration for fulfillment that powers faster, smarter delivery
Use ShipStation API to unify fulfillment in one flexible, scalable platform. Choose our negotiated rates or your own, then build customizable shipping workflows that match how your team operates. Leverage built-in automation, analytics, and performance insights to optimize carrier selection, control costs, and improve delivery reliability—so you can scale without outgrowing your software. Less manual work. Smarter shipping. Sustainable growth.

Overview
74New Orders 192Awaiting Shipment 33New OrdersConnected to the platforms that power your business
See the impact of an intelligent API integration
With the right solutions, your fulfillment operations become faster, smarter, and more cost-effective. Centralize orders and streamline your fulfillment process. Give teams real-time visibility into every shipment without adding complexity to your tech stack.
Fulfillment API features that bring shipping, delivery, and intelligence together
Drive smarter fulfillment decisions with intelligent analytics
Bring all your shipping and fulfillment data into one place so you can spot trends, control costs, and act with confidence. Consolidate multi-carrier performance, delivery metrics, and shipment insights without complex reporting or manual work. Real-time visibility into costs, carrier reliability, and exceptions helps you optimize operations, improve delivery outcomes, and scale with clarity instead of complexity.
Carrier Performance
07-29-2025
Last Delivery Date
85
API Calls
One-Time Delivery Success
97% Success
Power your platform with unified fulfillment
ShipStation API gives platforms one API to centralize order and shipping data from carts, marketplaces, ERPs, and custom systems. Clean, standardized data flows in automatically—so merchants work from a single source of truth. Embed rate shopping, address validation, label creation, and tracking directly into your experience. Fewer integrations to manage. Fewer errors. A faster, more reliable fulfillment workflow built into your platform.
Awaiting Shipment
Amazon
BigCommerce
eBay
Shopify
Square
Walmart
WooCommerce
Awaiting Shipment
Order #
Carrier
Service
SH-60286
UPS
UPS® Ground Saver
AZ-4419823
UPS
UPS® Next Day Air
EB-A8210
DHL
International Standard
SH-60285
DHL
International Standard
SH-60284
USPS
USPS Ground Advantage
EB-A8209
FedEx
FedEx Express Saver
SH-60283
USPS
USPS Parcel Select Ground
AZ-4419822
USPS
USPS Priority Mail
AZ-4419821
UPS
UPS® Ground
Use multi-carrier API integrations
Connect to more than 200 carriers worldwide through a single API to power smarter, automated shipping at scale. Generate labels in bulk, stay compliant across regions, streamline international shipments, and route orders through third-party logistics partners when needed. With multi-carrier access built in, you can intelligently select the best service for every delivery based on cost, speed, destination, and business rules—without managing dozens of separate integrations.

USPS® First Class Mail International Parcel
Customs Declaration
C22
Contents:
Gift
Merchandise
Other
Documents
Commercial Sample
From:
James Clark
12959 Coral Street Place
Los Angeles, CA 90066
United States
Detail Descriptions of Contents
Qty
Weight
Value
($USD)
To:
Tim Clark
Universal Export
61 Horsen Ferry Road
London S1, United Kingdom
Shoes
1
3
1
$100.00
lb
oz
Total
3
1
$100.00
I certify the particulars given in this customs declaration are correct. This
item does not contain any dangerous article, or articles prohibited by
legislation or by customs for postal regulations. I have met all applicable
export filing requirements under the Foreign Trade Regulations.
PS Form 29760FCMI
Mailing Office Date Stamp
08.27.2024
90066
Customs Forms
Compare shipping rates in real time
ShipStation’s rate shopper instantly surfaces the best value, cheapest, and fastest options across all connected carriers. Every package is evaluated against live rates and delivery speeds to select the right balance of cost and performance—automatically. Power accurate checkout rates, automate smarter carrier selection, and ensure the best rate and service on every shipment, without manual comparisons or switching systems.

Streamline order consolidation
Centralize orders from every sales channel into a single, reliable view that keeps fulfillment teams aligned and moving faster. Use the pre-built adapters to pull in data from shopping carts, marketplaces, ERPs, and custom systems—so your team works from one source of truth without jumping between platforms. With clean, consistent order data flowing in automatically, you reduce manual entry, avoid missed shipments, and keep fulfillment running smoothly.

Revenue by Store
Inventory / All Warehouses
Product Name
SKU
Image
In Stock
Committed
Leather Tote Bag: Champagne
01234572-CH
81
3
Testimonials
Hear From our Customers
How Spoke Custom Products handles a 2x peak-season surge with ShipStation’s multi-carrier shipping API
How Workwear Giant Built a Click-to-Ship Operation With ShipStation’s WooCommerce Shipping Integration
Convert more customers at checkout
Use checkout options to deliver fast, on-brand shipping experiences directly inside your existing checkout flow. Show real-time rates, flexible delivery options, pickup locations, and validated addresses so customers see clear, relevant choices before they pay. Transparent pricing and reliable delivery promises reduce abandonment, build trust, and help more shoppers complete their purchase with confidence.

Set Checkout Rates
Name
Pricing
2-Day Ground
Flat Rate
Custom Rates
Custom
Free Shipping
$0
– $5.00 +
Embed customized merchant shipping experiences
Use prebuilt, configurable UI components powered by ShipStation’s Partner API to launch end-to-end shipping workflows directly in your platform. Customize the experience, onboard merchants faster, and deliver reliable fulfillment—without rebuilding complex shipping tools from scratch.
Hedge Hog
1990 E Grand Ave
El Segundo CA 90245
5 LBS
1 OF 1
SHIP TO
TX 787 9-09
2-DAY
TRACKING #: 1Z 0RA 173 03 9413 7357
BILLING: P/P
Trx Ref No: Thanks for ordering from Hedge Hog
Deliver accurately with address verification
Delivery Address
Zip Code
902100
Address Line 1
City
State
“matched_address”: {“zip_code”: “90210”,Track shipments with real-time updates
RELATED CONTENT
Helpful Shipping Resources
Browse additional articles, guides, and insights related to shipping and fulfillment. These resources provide practical advice and best practices to support your day-to-day operations.
Ready to get started?
ShipStation API removes the complexities of shipping. Scale your business with our industry-leading API, comprehensive documentation, and vast carrier network.
Frequently asked questions about API integration for fulfillment
What is API integration for fulfillment?
API integration for fulfillment connects your commerce platforms, inventory management systems, and shipping tools to share data in real time. No more manual steps, fewer errors, and full visibility into every shipment.
Who should use ShipStation APIs?
ShipStation APIs are ideal for ecommerce platforms, retailers, and third-party logistics providers that need flexible, multi-carrier shipping and order management. If you manage multiple sales channels or carriers, APIs help you standardize and scale your fulfillment process.
Do I have to adopt every API at once?
No. You can start with a single capability, such as order import or rate comparison, then expand into address validation, tracking, or checkout as your needs grow and your tech stack becomes more complex.
