AvaTax Excise automates excise tax determination for fuel, energy, tobacco, alcohol, and other regulated commodities. It enables businesses to calculate, report, and manage excise tax obligations across complex jurisdictional and product-specific rules.

Core capabilities

Calculate excise taxes across fuel movements, sales orders, purchase orders, and inventory transactions using commodity-aware tax logic.

Excise-specific tax determination

Apply tax rules based on product attributes, movement type, location, and regulatory requirements without maintaining custom rule engines.

Jurisdiction and product rule management

Stay aligned with changing excise tax regulations through regularly updated tax content and compliance logic.

Regulatory content maintenance

Query rates, rules, and tax details for individual transactions to support reconciliation, reporting, and audit readiness.

Transaction-level transparency

Review API documentation, integration requirements, and environment setup details. API keys and sandbox access are provisioned according to the purchased product.

Getting started

The Excise API provides a REST-based interface that connects with ERP systems, fuel management platforms, trading systems, and other financial back-end applications. It supports platform-independent integration patterns and scalable transaction processing.

How it integrates

What AvaTax for Excise solves

When to use AvaTax for Excise

AvaTax for Excise

View API docs

This guide describes the steps you should follow to integrate Avalara AvaTax for Excise into your ERP or ecommerce system.

AvaTax Excise

Get Started

Avalara Returns Excise simplifies the preparation and filing of excise tax returns across jurisdictions. It helps businesses manage complex excise tax obligations by automating data aggregation, form preparation, and reporting workflows.

Aggregate transaction data from source systems to prepare excise tax returns in required formats.

Automated return preparation

Identify inconsistencies and calculation issues to reduce audit risk and improve filing accuracy.

Error detection and risk reduction

Support excise tax reporting across jurisdictions, including federal, state, and regional requirements.

Multi-jurisdiction coverage

Generate reports for reconciliation, analysis, and audit support using structured data outputs.

Reporting and data access

Access API documentation and integration guides in the developer portal. Setup involves connecting data sources, configuring reporting workflows, and enabling return preparation processes.

Avalara Returns Excise integrates with ERP, accounting, and transaction systems to extract and process data for excise tax reporting.

APIs enable data exchange between operational systems and compliance workflows.

Avalara Returns Excise

Maps to process_time_elapsed_seconds as int

Maps to sti_version_number as nvarchar(255)

Represents a request object for importing business entities through the REST service.
This class contains all the necessary information to perform a business entity import operation,
including the entities to import, import configuration options, and matching behavior settings.

Gets or sets an array of business entities to be imported.
Each business entity contains the data that will be processed and imported into the system.

Gets or sets a boolean value indicating whether all account types should be created for imported entities.
When true, the system will automatically create all supported account types for each imported business entity.

Gets or sets the name identifier for this import operation.
This name is used to identify and track the import operation in logs and reports.

Gets or sets the unique identifier for this import load operation.
This GUID is used to correlate related import operations and track the overall import process.

Gets or sets a boolean value indicating whether new records should be terminated after import.
When true, newly imported records will be marked as terminated, typically used for historical data imports.

Gets or sets the update matching mode that determines how existing records are handled during import.
This setting controls whether and how the system should match and update existing business entities
when duplicates are found during the import process.

Represents a request object for importing item codes through the REST service.
This class contains all the necessary information to perform an item code import operation,
including the item codes to import, import configuration options, and matching behavior settings.

Gets or sets an array of item codes to be imported.
Each item code contains the data that will be processed and imported into the system
for tax classification and product identification purposes.

Gets or sets the update matching mode that determines how existing records are handled during import.
This setting controls whether and how the system should match and update existing item codes
when duplicates are found during the import process.

Represents a request object for importing location data through the REST service.
This class contains all the necessary information to perform a location import operation,
including the locations to import, import configuration options, matching behavior settings,
and exact match criteria for various location attributes.

Gets or sets a boolean value indicating whether to require exact matching on address line 1.
When true, only locations with identical first address lines will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on address line 2.
When true, only locations with identical second address lines will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on airport code.
When true, only locations with identical airport codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on alternate facility number.
When true, only locations with identical alternate facility numbers will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on alternate jurisdiction.
When true, only locations with identical alternate jurisdictions will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on city.
When true, only locations with identical cities will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on country code.
When true, only locations with identical country codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on county name.
When true, only locations with identical county names will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on county code.
When true, only locations with identical county codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on depot number.
When true, only locations with identical depot numbers will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on description.
When true, only locations with identical descriptions will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on jurisdiction.
When true, only locations with identical jurisdictions will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on location type.
When true, only locations with identical location types will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on outside city limit indicator.
When true, only locations with identical outside city limit indicators will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on postal code.
When true, only locations with identical postal codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on site code.
When true, only locations with identical site codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on special jurisdiction indicator.
When true, only locations with identical special jurisdiction indicators will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on state assigned code.
When true, only locations with identical state assigned codes will be considered matches.

Gets or sets an array of locations to be imported.
Each location contains the data that will be processed and imported into the system
for tax compliance and regulatory reporting purposes.

Gets or sets the update matching mode that determines how existing records are handled during import.
This setting controls whether and how the system should match and update existing locations
when duplicates are found during the import process.

Represents a request object for importing manufacturer data through the REST service.
This class contains all the necessary information to perform a manufacturer import operation,
including the manufacturers to import, import configuration options, matching behavior settings,
and jurisdiction update preferences.

Gets or sets a boolean value indicating whether to require exact matching on country code.
When true, only manufacturers with identical country codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on custom ID.
When true, only manufacturers with identical custom IDs will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on ID type and ID code.
When true, only manufacturers with identical ID type and ID code combinations will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on jurisdiction.
When true, only manufacturers with identical jurisdictions will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on legal name.
When true, only manufacturers with identical legal names will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on license number.
When true, only manufacturers with identical license numbers will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on manufacturer code.
When true, only manufacturers with identical manufacturer codes will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on MSA status.
When true, only manufacturers with identical Metropolitan Statistical Area status will be considered matches.

Gets or sets a boolean value indicating whether to require exact matching on trade name.
When true, only manufacturers with identical trade names will be considered matches.

Gets or sets the manufacturer jurisdiction update mode that controls how jurisdiction information
is updated during the import process.

Gets or sets an array of manufacturers to be imported.
Each manufacturer contains the data that will be processed and imported into the system
for tax compliance and regulatory reporting purposes.

Gets or sets the update matching mode that determines how existing records are handled during import.
This setting controls whether and how the system should match and update existing manufacturers
when duplicates are found during the import process.

Represents the response from a ping operation to verify service connectivity and authentication status.
This class is used to check if the service is available and if the current user is properly authenticated.

Gets or sets a boolean value indicating whether the current user is authenticated.
True if the user has valid authentication credentials, false otherwise.

Gets or sets the username of the authenticated user.
This property contains the username of the currently authenticated user,
or null/empty if the user is not authenticated.

Gets or sets the version of the service that responded to the ping request.
This property indicates which version of the service API is currently active.

This is the request object for the REST service

Premium Gold

Exact Match Jurisdiction Description Code

Product Tobacco Determine Product Jurisdictions

Products Tobacco Jurisdiction Update Mode

Represents an alternate product mapping for REST services, containing product codes, jurisdictions, and tax information.

Motor Gasoline Alternate

The alternate product code mapped to the primary product for this jurisdiction.

The alternative fuel content for the product, when applicable.

The date when the record becomes effective.

The date when the record becomes obsolete.

The tax code associated with this record.

The terminal code associated with this mapping.

Represents a business account (license or registration) tied to a business entity for excise tax purposes.

The client-supplied correlation identifier for this account in import or mapping operations.

The sub-type or secondary classification for this account.

The category of business or license type for this account.

The client-defined identifier for this business account.

A description of the license or registration.

The date when the license or registration expires.

The license percentage when applicable to the registration.

Represents an error that occurred during import for a business account.

The error message describing why the operation failed.

The sequence number of this error when multiple errors are returned.

Represents the import result for a business account, including status and any error details.

Errors that occurred for this business account during import.

The unique identifier of the business account after import.

The client-supplied correlation identifier echoed from the import request.

A human-readable status or detail message for this result.

The processing status of this record (e.g., Inserted, Updated, Failed).

Data Contract Class - BusinessEntityDC for REST services.
This class represents a business entity with associated accounts and identification information.
Business entities can become obsolete over time, managed through the IObsoletable interface.

An alternate jurisdiction designation when applicable.

The business accounts (licenses or registrations) associated with this entity.

The identification codes (by country and type) associated with the business entity.

The client-supplied correlation identifier for this entity in import or mapping operations.

The client-defined identifier for this business entity.

The match priority when resolving the entity by custom identifier.

The match priority when resolving the entity by ID type and ID code.

The match priority when resolving the entity by legal name.

The name control characters used for tax or regulatory matching.

Represents an error that occurred during import for a business entity.

Represents business entity identification codes for REST services, containing ID types and codes by country.

The type of identification (e.g., tax ID category) for this code.

Represents an error that occurred during import for a business entity identification code.

Represents the import result for a business entity identification code, including status and any error details.

The unique identifier of the parent business entity.

Errors that occurred for this identification code during import.

The type of identification for this code.

Summarizes the results of a business entity import operation, including counts and per-record results.

Per-entity import results from the operation.

The total number of business accounts that failed during the import.

The total number of business accounts inserted during the import.

The total number of business accounts processed during the import.

The total number of business accounts updated during the import.

The total number of business entities that failed during the import.

The total number of business entities inserted during the import.

The total number of business entities processed during the import.

The total number of business entities updated during the import.

The total number of identification codes that failed during the import.

The total number of identification codes inserted during the import.

The total number of identification codes processed during the import.

The total number of identification codes updated during the import.

The processing status of the import operation (e.g., Inserted, Updated, Failed).

Represents the import result for a business entity, including status and any error details.

Per-account import results for this business entity.

Errors that occurred for this business entity during import.

The unique identifier of the business entity after import.

Import results for each identification code on this business entity.

The effective date in UTC (serialized form).

Represents an item code for REST services, containing code information, dates, and tax code mappings.

The client-supplied identifier that correlates this item code with the import request.

The date when the record was locked for editing.

Summarizes the results of an item code import operation, including counts and per-record results.

Per-record import results for each item code.

The total number of records that failed during the import.

The total number of records inserted during the import.

The total number of records processed during the import.

The total number of records updated during the import.

The overall processing status of the import operation.

Represents the import result for an item code, including status and any error details.

Human-readable description of the item code.

Date when this item code becomes effective.

System identifier for the item code record.

The client-supplied mapping identifier from the import request.

Status or informational message for this item code import result.

Processing outcome of the item code operation (for example Inserted, Updated, or Failed).

Represents a location for REST services, including address, identifiers, and tax jurisdiction fields.

An alternate facility registration number.

An alternate jurisdiction designation, if applicable.

A client-defined identifier for this location.

The DEP or related regulatory identifier for this location.

A human-readable description of the location.

The unique identifier of the location record.

The client-supplied identifier that correlates this location with the import request.

The unique identifier of the master company that owns this record.

Whether the location is outside city limits (Yes or No).

A special jurisdiction designation, if applicable.

The code assigned to this location by the state.

The terminal code associated with this location.

Represents an error that occurred during import for a location.

The sequence number of this error within the import response.

Summarizes the results of a location import operation, including counts and per-record results.

The per-record import results for each location.

The count of locations successfully inserted during the import.

Represents the result of a location import operation for REST services.
This class contains the outcome of processing a location during import, including success/failure status,
error information, and complete location details for excise tax compliance.

An alternate facility or site identifier.

A client-defined identifier for this record.

Errors encountered while processing this location during import.

A status or informational message for this import result.

Represents a manufacturer, including registration details, physical and mailing addresses, and associated jurisdictions.

The first line of the mailing street address.

The second line of the mailing street address.

The ISO 3166-1 alpha-3 country code for the mailing address.

The jurisdiction or state code for the mailing address.

The postal or ZIP code for the mailing address.

The jurisdiction-specific records associated with this manufacturer.

The client-supplied mapping identifier for correlating requests and responses.

The master settlement agreement (MSA) status.

AvaTax for Excise

Avalara.Excise.Common.Contracts.Services.RestTaxSessionFieldsResponse