AvaTax Free Trial Documentation Developer Resources Tools Search THE AVALARA DEVELOPER COMMUNITY IS LIVE! Learn more about how to use the communityhere. Tax compliance done right with Avalara's API Technology to help your business manage sales and use, excise, GST, VAT, and other tax types, across the U.S. and abroad Get Started Software Development Kit Build in C# .Net, C#, Java, Javascript, PHP, Perl, Python, Powershell, Ruby Learn more API explorer Make requests to Avalara APIs to easily examine endpoint behaviors. Learn more Integration Guides Ecommerce This guide describes the steps you should follow in order to integrate Avalara AvaTax into your ecommerce system. Learn more View all Tax Types Choose a tax type below to explore the solutions recommended for you. Sales and Use Tax Excise Tax Value-added Tax (VAT) Goods and Services Tax (GST) Lodging Tax Communications Tax Customs and Import Tax Avalara Products Tax Determination Filing and Remittance Tax Exempt Documentation AvaTax AvaTax Excise AvaTax for Communications Item Classification AvaTax Cross-Border Content Generation for POS Learn with Avalara Webinars University Avalara NEXT How to get started with Avalara’s API Check out our 60-minute developer webinar on-demand to learn everything you need to know to quickly and easily build a sales tax integration that provides roof-top level accuracy. Learn now How to build a tax integration with for your ERP The webinar covers: How to calculate tax in your shopping cart today, how to cancel and refund an order, taxing shipping and handling, product taxability and handling exemptions, how to test your integration, support options for developers. Learn now Six things devs need to know about marketplaces The webinar covers: Calculating domestic and international tax, Managing refunds and exemptions, Whether an extractor model is the right one for your use case scenario, How to demo our API quickly and easily Learn now View all More than 1000 Signed Partner Integrations Find your integration Get Started with Avalara Try the AvaTax API at no cost for 60 days Get Started Try AvaTax Demo Be a Technology Partner Learn more Resources If you have questions or comments, or if you just want to keep up with platform updates, we provide multiple ways for you to engage with us or other developers building with Avalara. Blog Help center Community Developer Support Ask a question Help Center Community Developer Support Avalara.com Terms of Use Privacy Policy © 2021 Avalara, Inc.

HELP CENTER Learn more about federal and state actions related to the COVID-19 outbreak with our guide to coronavirus tax relief. Expand/collapse global hierarchy Home Contact Avalara Start a Chat Last updated Dec 10, 2019 Save as PDF > Online Chat with Avalara Support > 24 hours a day, Monday - Friday except US federal holidays > If offline, click Chat Offline to submit a case to Avalara Support Back to top Avalara Vendor Form and W-9 Submit a case Recommended articles Contact Avalara Avalara.comAvalara UniversityDeveloper.Avalara.comTerms of UseAvalara StatusContact UsSubmit a CaseChat©2021 Avalara, Inc. All Rights Reserved