
Open API
VESYL's flexible APIs empower businesses of all sizes to create a customized shipping solution tailored to their unique needs. Adapt seamlessly to your fulfillment workflows without being constrained by rigid, predefined features.


Customize your entire fulfillment process
VESYL’s open API lets you create bespoke shipping solutions tailored to your business needs. With flexible integrations, you can design workflows that scale as your order volume grows—no predefined limits, just endless adaptability.
Integrate your current systems with ease
Our API makes it easy to connect VESYL with your existing systems and tools to streamline your operations. Use our API to foster innovation, enhance functionality, and optimize shipping processes without disrupting your current setup.


Developer-friendly documentation
VESYL’s open API is presented in detailed, developer-friendly documentation for an easy and simple implementation experience. Whether integrating with existing systems or building new workflows, our resources make implementation simple and efficient.

Customize your eCommerce workflow with VESYL's API




Frequently asked questions

How to find your API key?
Sometimes you may need to find an API Key to use VESYL with a 3rd party platform and to share data back and forth.
To find your API key, navigate to settings by clicking on your name at the bottom left and click on "Settings".
From there click on "Developer Settings" and click "View". From here you can use the copy button to copy your API Key.
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Where can I find the Open API Documentation?
VESYL's API developer documentation can be found in Settings under the tab Developer Settings.
How to create automation rules?
Automation Rules are created on simple If/Then Statements. Set your criteria (If) at the top and your action (Then) at the bottom. You can set as many criteria and actions as you would like.
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What carriers and services do we support?
VESYL provides a USPS account with every signup. If you have other carrier accounts you would like to bring in please let us know by reaching out through our chat in the bottom right.
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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