A shipping API is a tool that connects your business systems directly to shipping carriers, enabling automation of tasks like calculating shipping rates, generating shipping labels, tracking shipments, and managing orders without manual intervention.

Shipping API
VESYL’s flexible, open shipping API helps businesses of all sizes build a customized shipping solution tailored to their unique logistics operations. Adapt seamlessly to your shipping workflow and fulfillment process, without rigid tools, manual processes, or unnecessary complexity.
Get started with the best shipping API for improving shipping efficiency, cutting shipping costs, and enhancing the customer experience.

Limitless Customization
Customize shipping workflows without limits using a flexible shipping API designed to support complex shipping operations.

Integrate Seamlessly
Our open API supports an easy integration process with your existing tech stack, including TMS, ERP, and ecommerce platforms.

Innovate and Expand
Expand shipping capabilities with VESYL’s scalable, multi-carrier shipping API. Unlock multiple shipping options as your business grows.

Customize your entire fulfillment process
VESYL’s open API lets you create bespoke shipping solutions tailored to your business needs. With flexible integrations all in one platform, you can design workflows that scale as your order volume grows.
By integrating with your fulfillment centers, the API streamlines the shipping process, reduces confusion, and enhances overall customer satisfaction through better communication and visibility.
Integrate your current systems with ease
VESYLs shipping API makes it easy to connect with your existing systems and tools across your logistics operations. Our integration process supports direct connections to carriers, ecommerce platforms, and warehouse systems, without disrupting your current shipping workflow.

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Developer-friendly documentation
VESYL’s shipping API documentation is clear, structured, and built for fast implementation. Whether your team is integrating in a few days or several weeks, our resources support a smooth setup process for modern shipping operations.
The documentation clearly defines API requests, data types, and responses, ensuring reliable communication between systems and reducing troubleshooting during integration.

Customize your eCommerce workflow with VESYL's API




Frequently asked questions

What is a shipping API?
How do shipping APIs work?
Shipping APIs work by sending secure API requests between your ecommerce website, fulfillment systems, and carriers. The API pulls in the shipping address, performs address validation, calculates rates across multiple carriers, generates labels, and sends tracking updates automatically.
How long does the integration process take?
The integration process can take anywhere from a few days to several weeks or months, depending on the complexity of your logistics operations, tech stack, and the shipping API provider you choose.
What features should the best shipping API include?
Key features include multi-carrier shipping, real-time rate shopping, automated label creation, address validation, shipment tracking, high uptime, fast response times, and strong data protection standards.
Which carriers offer shipping APIs?
Many industry leaders offer shipping APIs:
- UPS API is free and supports XML, Web Service, and JSON
- FedEx API uses OAuth 2.0 and provides access to overnight shipping services
- DHL API supports OAuth 2.0 and JSON, organized by function
- USPS Shipping for Business offers Web Tools APIs
A multi-carrier shipping API simplifies access to these carriers in one platform.
Can shipping APIs help reduce shipping costs?
Yes. Shipping APIs help businesses cut costs by automating rate shopping, reducing human error, accessing discounted rates, and optimizing shipping decisions based on cost, speed, and destination.
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Corso makes the return process simple by integrating with VESY
"We integrated into VESYL’s API in under 20 minutes. Need I say more? The shipping expertise from the VESYL side is second to none."
VP of Engineering

