Note: This topic is for technology partners who will use Avalara CertExpress as their exemption certification management (ECM) on their website.

What is CertExpress?

Avalara CertExpress is a free application that eliminates the guesswork from exemption certificate completion, drastically simplifying the process of selecting and submitting correct exemption certificates.

With CertExpress, you make it easy for your customers to create and submit tax exempt documents directly on your own website.

Steps to set up CertExpress

To set up CertExpress for your website, add the JavaScript tag to your application's webpage. Then, use our code examples to customize how the CertExpress widget connects with your site.

To perform this integration, you must:

Pass specific parameters identifying your company to CertExpress
Have your company's web developer insert a JavaScript tag into your application's webpage

Likewise, you can also implement your own solution to direct users to CertExpress with the expected parameters.

Code Examples

The following code has been written in core JavaScript for compatibility purposes, and includes an example for use with HTML and CSS.

Note:

You can reverse-engineer this logic into any scripting language.
CertExpress expects you to pass the parameters correctly, regardless of the language used.

Example post sample

https://app.certexpress.com?name=Test%20Name&address_line1=1300%20East%20Central&address_line2=&city=San%20Francisco&state=California&country=United%20States&zip=12345&phone_number=555-555-5555&fax_number=444-444-4444&email=contactinfo@mycompany.com                                             

JavaScript code

Example in context

Set up CertExpress