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AvaTax Developer Blog Posts

How to Calculate Customs Duties in REST

We are excited about our updated customs duty calculation functionality in REST. If you previously used the customs duty calculator in REST, your requests will still work. If you are just starting out or would like to make use of the full functionality of CrossBorder in REST, this post is for you. What Are We Shipping? For every product you ship across a country border, you first need to know the Harmonized System Code (HS code). While many codes may look alike, the HS code is specific to the destination country and the type of item. You can learn about...

HS Code Search in REST

How Do I Know Which HS Code to Use? In this post, we will discuss how customers can use our REST API to find the appropriate Harmonized System (HS) Code for items shipped across country borders. For this example, we will search for knitted scarves shipped to Spain. Let’s walk through the process of browsing and searching for HS Codes using the new REST CrossBorder endpoints. Wait, What Are HS Codes? The Harmonized System is an internationally standardized system of names and numbers to classify physical, traded products. HS Codes are a hierarchically organized taxonomy of product types, based on...

AvaTax C# SDK Upgrade 18.2.1.168

Avalara was advised of an issue affecting some users of the AvaTax C# SDK. In some environments, the C# SDK submitted HTTP verbs in lowercase, which is not always permitted by firewall and router rules. Avalara is publishing a revision of the C# SDK 18.2.1.168 to correct this issue. We advise all customers using the C# SDK to upgrade to the latest revision. Does This Affect Me? Customers known to be affected are running the combination of: Visual Studio 2017 on Mac OS X with AvaTax C# SDK 18.2.0.167 or earlier Our testing team has evaluated this issue, and will...

AvaTax API 18.3 Patch Notes

This article is about the March 2018 monthly update to the AvaTax API. Environment URL Release Date Sandbox https://sandbox-rest.avatax.com 2018-03-14 Production https://rest.avatax.com 2018-03-28 Patch Notes Webinar The AvaTax March release will provide a two-week period where the March release of AvaTax will be available for integration testing into the Sandbox environment. If your engineering team would like a sandbox account for testing purposes, please contact your account manager or open a support ticket. The AvaTax API team will host a developer webinar to discuss the March release on Monday, March 19th, 2018, at 10:00 AM Pacific time. If you would...

The CRUSH DC Business Case

If you’re a developer working on building tax compliance solutions, then we hope you’ll consider coming to CRUSH DC, the premier event for transaction tax professionals. The event is from May 9-11 in Washington, D.C. We have an entire developer track with sessions covering everything from the basics of calculating tax using AvaTax to building connectors for enterprise-level organizations. Not only that, we’ll have tech demos, learning labs, knowledge sharing from experts and fellow partners, and plenty of networking. Of course, we realize booking a trip for a three-day event is a big commitment of time and resources, so the...

AvaTax API 18.2 Patch Notes

This article is about the February 2018 monthly update to the AvaTax API. Environment URL Release Date Sandbox https://sandbox-rest.avatax.com 2018-02-12 Production https://rest.avatax.com 2018-02-26 Release Schedule Extended Each month, Avalara publishes the latest release of AvaTax to the Sandbox environment first so that customers who wish to test the new release can spend time running regression tests against AvaTax. In response to customer feedback, we are extending the length of time to a minimum of two weeks in sandbox prior to the production deployment window. This month’s release will deploy to sandbox on Monday, February 12th, and be available for testing...

Negative Transactions

This week I returned a doormat to Costco. I love Costco’s return policies; I was able to buy a mat to try it out, and when we discovered it wasn’t a good fit for our garage I was able to return it and buy one that was a better fit. In the world of sales, refunds are a natural thing - so how do we represent them? Defining the Two Parties In virtually all tax laws, a transaction involves exactly two parties: a buyer and a seller. However, the AvaTax API can’t just use the words “buyer” and “seller” because...

Office Hours with AvaTax

Avalara’s crack team of engineers receives dozens of questions every week from developers using our APIs, SDKs and documentation, and we want to answer as many as we can. To that end, we’re excited to announce a new weekly, 30-minute series of webinars that we’re calling Office Hours with AvaTax. Here’s how it will work: Every Tuesday, we’ll spend the first 15 minutes of the webinar covering a specific topic such as reconciling tax transactions, how to find specific tax code information in AvaTax and the like. Then, the last 15 minutes will be reserved as an open Q&A format....

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