> ## Documentation Index
> Fetch the complete documentation index at: https://docs.goshippo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Legacy API reference guide

> Access the legacy Shippo API reference guide and select your preferred older API version from the dropdown.

If you are using an older versions of our API, you can use our legacy reference guide.
In the guide, you can select your preferred version by clicking on the **Version** drop down on the top left of the page.

<a href="https://goshippo.com/docs/reference" target="_blank">Open the legacy reference guide</a>