RESTv1 to RESTv2 mapping
Understand the differences in headers and configuration between RESTv1 and RESTv2.
The following sections describe how headers and related configuration differ between RESTv1 and RESTv2.
Security
The security configuration is the same in RESTv1 and RESTv2. Both versions use Basic authentication with:
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Username and password
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Account number and license key
Profile header mapping
In RESTv1, client information is included in the request body.
In RESTv2, client information is sent using the X-Avalara-Client HTTP header.
Part of the RESTV1 To RESTV2 Refactor Guide. Open the full “RESTv1 to RESTv2 mapping” section on Avalara.