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Avalara AvaTax
Avalara AvaTax · Seattle, Washington · founded 2004
What it is
Avalara AvaTax calculates tax in real time for sales and purchasing workflows. It covers sales tax, consumer use tax, VAT, communications, occupancy and lodging, and excise tax, with automated return filing and tax registration. Address validation matches transactions to tax regions, while product taxability codes, item classification and custom rules support tax determination. The REST API provides tax calculation, document modification and address validation; connections span ecommerce platforms, ERPs, accounting systems and sales or purchasing systems. AvaTax also describes tax research, exemption certificate management, reporting and audit trails. Core Compliance costs $79 per state per month, and Core Compliance + SST Services costs $69 per state per month for qualifying sellers. Qualified sellers may receive state-funded services in up to 25 states. The Tax Calculation and Returns Compliance Package starts at $699 per state per year, while other pricing may depend on annual tax-calculation transaction volume. The product is available through web and API platforms.
For and against
For
- Calculates tax across multiple tax types
- Automates return filing and supports tax registration
- REST API includes calculation and address validation
- Integrates with ecommerce, ERP and accounting systems
Against
- No free plan is listed
- Core Compliance costs $79 per state per month
- Pricing may depend on annual transaction volume
The verdict
AvaTax combines real-time tax calculation with filing, registration and business-system connections across a range of tax types. Compare its per-state prices and transaction-based pricing terms with your needs, and note that qualified sellers may have state-funded service options.
Who it suits
AvaTax is aimed at businesses and teams handling tax calculations across sales or purchasing workflows, including finance, accounting, tax, development and partner audiences. Its integrations and API may suit organizations connecting tax work to existing business systems.
Plans and prices
Core Compliance
Annual revenue less than $50M · 12,000+ U.S. tax jurisdictions
Read 20 Sep 2026 · avalara.com
Core Compliance + SST Services
Annual revenue less than $50M · Up to 25 states for qualifying sellers · 12,000+ U.S. tax jurisdictions
Read 20 Sep 2026 · avalara.com
Custom
Annual revenue $50M+
Read 28 Sep 2026 · avalara.com
Tax Calculation and Returns Compliance Package
Pricing varies with products, integrated applications, transaction volume, jurisdictions, and SST enrollment
Read 29 Sep 2026 · avalara.com
Tax Calculation (AvaTax)
No per-jurisdiction surcharges or hidden platform fees stated
Read 29 Sep 2026 · avalara.com
Core Compliance + SST Services Monthly
Read 28 Sep 2026 · avalara.com
Core Compliance Monthly
Read 28 Sep 2026 · avalara.com
Core Compliance + SST Services Annual
Read 28 Sep 2026 · avalara.com
Core Compliance Annual
Read 28 Sep 2026 · avalara.com
On the record
- Annual transactions
- Avalara processes more than 54 billion transactions annually.avalara.com · read 28 Sep 2026
- API
- The AvaTax REST API supports tax calculation, document modification, and address validation; the page also describes custom integrations through the API.avalara.com · read 29 Sep 2026
- API access
- Yesavalara.com · read 20 Sep 2026
- API capabilities
- Avalara APIs support natural-language discovery and calling through MCP servers.avalara.com · read 28 Sep 2026
- Calculation accuracy
- The page reports 99.999% accuracy in tax calculations.avalara.com · read 28 Sep 2026
- Core monthly price
- Core Compliance costs $79 per state per month.avalara.com · read 28 Sep 2026
- Customer count
- Avalara is trusted by more than 200,000 direct and indirect customers.avalara.com · read 28 Sep 2026
- Custom tax rules
- Users can configure custom business rules and specialized tax and fee content.avalara.com · read 28 Sep 2026
- Exemption validation
- The product provides real-time exemption certificate validation and management.avalara.com · read 28 Sep 2026
- Filing support level
- automatedavalara.com · read 20 Sep 2026
- Free service limit
- Up to 25 states may cover tax calculation, filing, remittance, and audit protection.avalara.com · read 28 Sep 2026
- Free state services
- Qualified sellers can receive state-funded services in up to 25 states.avalara.com · read 28 Sep 2026
- Implementation
- Every customer gets access to a sandbox before going live, and the page says Avi, Avalara's AI implementation assistant, guides configuration.avalara.com · read 29 Sep 2026
- Integrations
- Avalara states it has more than 1,400 signed partner integrations and names Shopify, NetSuite, QuickBooks, Sage, Microsoft Dynamics 365, SAP, Adobe Commerce, BigCommerce, WooCommerce, Salesforce, and Oracle among them.avalara.com · read 29 Sep 2026
- Intended users
- The product page identifies small businesses, midmarket finance and accounting professionals, enterprise tax departments, developers, and partners as audiences.avalara.com · read 29 Sep 2026
- Jurisdictions covered
- 12000avalara.com · read 20 Sep 2026
- Jurisdiction coverage
- Core Compliance includes calculation across more than 12,000 U.S. tax jurisdictions.avalara.com · read 28 Sep 2026
- Partner integrations
- Avalara has more than 1,400 signed partner integrations.avalara.com · read 28 Sep 2026
