API explorer

Get started quickly with our sample code and libraries. If you get stuck, Avalara Support and Avalara's developer community are here with answers. These APIs are intended to help you determine whether you have the necessary subscription to use certain API calls. You can examine the subscriptions returned from this API call to look for a particular product or subscription to provide useful information to the current user as to whether they are entitled to use specific features.

Avalara APIs

AvaTax

Avalara Avatax is a cloud-based sales and use tax calculation system.

Communications

Provides communications tax calculations using information provided by jurisdiction codes.

Excise Tax

This service is the external programmatic interface into the Avalara Excise application.

MyLodgeTax

Provides sales and lodging tax compliance for short-term property rentals.

Item Classification

Provides the user with the capability to submit products for HS Classification and retrieve the HS Codes.

Avalara Tax Content for Retail

Automate tax content delivery for your brick-and-mortar business, whenever and however you need it.

Avalara Restrictions API

Provides the user with the capability to get restrictions for a cross border transaction.

AvaTax Brazil

Exposes the most commonly services available for interacting with the AvaTax-Brazil services

VAT Reporting

One solution to calculate rates, prepare returns, and manage documents

ECM Customers

One solution to calculate rates, prepare returns, and manage documents

CertCapture (Existing Customers)

One solution to calculate rates, prepare returns, and manage documents

e-invoicing Rest API

An API which supports sending data within the Alpha scope, in particular the e-Invoicing for compliance use-case.

Portal OAuth API

Exposes the available services for interacting with the Avalara Brazil Suite of services, allowing the exchange of compliance data with external solutions. This public API is intended to be used by businesses with a physical presence in Brazil.

Business API

Public APIs for doing business with Avalara, including registering customer accounts and creating sales orders. This API assumes that you've received an `offerCode`, `connectorId`, `leadSource`, and `campaignId` from Avalara.

Activation Service API

An API that allows technology partners to retrieve the status of their registrations.

Shared Company Service API

A set of scalable APIs for services that can be incorporated into various Avalara products.