# Additional resources

Source: https://developer.avalara.com/marketplace-integration-guide/about-this-guide/additional-resources/

The following additional resources can be helpful to you when completing the milestones described in this guide:

-   [AvaTax API Reference](https://developer.avalara.com/api-reference/avatax/rest/v2/)  

-   [SDKs](https://developer.avalara.com/sdk/)  

-   [Certification and badges](https://developer.avalara.com/certification/avatax/)  

-   [Functional review](/marketplace-integration-guide/IntegrationGuides/sales-tax/marketplace-integration-guide/reviewing-your-integration)  

-   [Partner Central](https://avalara.zinfi.net/concierge/ucm/#/cms/Home)  

-   [Avalara Knowledge Center](https://knowledge.avalara.com/)  

-   [Avalara University](https://training.avalara.com/)