Introduction

Introduction to the Taxamo Assure service and the Seller Transaction API.

For a video-based summary of the service, see Introductory Videos.

What is Taxamo Assure by Vertex?

You can use the Taxamo Assure by Vertex service to complete the following tasks:

  • Determine the party (seller, buyer, or Taxamo) who is liable for tax.
  • Calculate the tax rate.
  • Process refunds.
  • Generate invoices.

For more information about the features, see Benefits and Features.

The service is intended for physical goods valued at €150 or below. For more information, see How Taxamo Assure by Vertex Helps You and Why Choose Taxamo Assure by Vertex?.

For more detailed information about how it works, see How Taxamo Assure Works.

How is it Integrated?

The service is based on the Seller Transaction API. This is a RESTful API that contains a set of endpoints for handling transactions, like sales and refunds.

The API facilitates the integration between Taxamo and your checkout processes. This is shown in the following graphic:

API Simplified OverviewAPI Simplified Overview

API Simplified Overview

If you use Adobe Commerce (formerly Magento), you can use the plugin to integrate Taxamo Assure by Vertex. For more information, see Configuring the Adobe Commerce Plug-In.

You can also integrate the API directly with your web store. The following table outlines an example of what this integration might look like. It is intended to show how your business processes can be mapped to the endpoints that you send requests to. These examples are simplified to give you a sense of how the API integration works:

Checkout Process Step

Transaction Stage

Request

Buyer places goods in their basket but does not confirm the details yet as they are still shopping.

Order storage

Store Transaction

Buyer confirm a purchase and their payment details are confirmed by your payment service provider.

Order confirmation

Confirm Transaction

You want to issue a refund to your customer, the buyer.

Refund transaction

Refund Transaction

You want to issue invoices to your customers for transactions where Taxamo is liable,

n/a

Where Taxamo is liable for VAT, an invoice is generated automatically for confirmed transactions and emailed to the buyer. For more information, see Configuring Invoices.

For a more detailed overview of how the API works, see API Overview.

For more detailed information about how to configure the API, see Configuration Overview.

About this Document

Documentation

Target Audience

API Developer's Guide

API developers who want to use the API to integrate the seller's checkout process with the service.

API Reference Documentation

API developers who want to learn from an interactive example of the API.

Frequently Asked Questions (FAQs)

All users who want to address some frequently asked questions.

Table of Contents

The following table summarizes the sections of this guide:

Section

Document

Purpose

Overview

Introduction

Get an overview of how the product works and integrates with your checkout process.

Configuration Guide

Configuration Overview

Understand how to integrate the service with your checkout processes.

User's Guide

Dashboard

Understand how to use the dashboard UI for things like reports.

Reference Guide

Fields Reference Overview

Understand the underlying API specification.

FAQs

General

Answers to common questions.



If you need further help, contact support at https://www.vertexinc.com/en-gb/support-services/taxamo-customer-support.

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