The Avalara AvaTax release schedule includes a preview period. During which time, the latest software is available for integration testing in the AvaTax Sandbox Environment two weeks before launching to production. If your engineering team would like a sandbox account for integration testing purposes:

Development and Solutions Partners (DSP), please contact your Business Development Manager.
Avalara customers, please contact your Customer Account Manager or open a support ticket.

Fixes and improvements

AvaTax API Enhancements:

Improve handling of large amounts of filing attachments

Handled new parameters added in Avalara Shipping Verification for Beverage Alcohol APIs.

ENVIRONMENT	URL	RELEASE DATE
Sandbox	https://sandbox-rest.avatax.com	2022-02-10
Production	https://rest.avatax.com	2022-02-17