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Avalara AvaTax vs Kintsugi

How Avalara and Kintsugi compare on price, filing, country coverage, e-invoicing and integrations, built from each vendor’s own pages. Pick any two tools to compare them.

Showing Avalara AvaTax compared with Kintsugi.

Facts checked on against each vendor’s public pages.

Avalara and Kintsugi at a glance

Avalara AvaTax

Enterprise tax suite

Avalara sells AvaTax calculation with managed US sales tax filing at published per-state prices for businesses under $50M in revenue, and quote-based plans above that. VAT returns, e-invoicing and cross-border coverage are separate products on custom plans.

Starting price
$69 per state a month
Countries covered
190+ countries
Files returns
Yes

Choose Avalara if you’re one of these:

  • US sellers who want managed sales tax filing
  • mid-market and enterprise teams on an ERP
  • businesses with many exempt customers

Kintsugi

Pay-per-filing sales tax

Kintsugi monitors nexus for free and, on its Starter plan, charges per registration or filing in the US and Canada. Custom monthly plans add EU, UK and other VAT and GST, real-time calculation and the API.

Starting price
$0 a month
Countries covered
100+ countries
Files returns
Yes

Choose Kintsugi if you’re one of these:

  • small US sellers filing a few returns a year
  • Shopify or Stripe merchants who want to start with free monitoring

Key differences between Avalara and Kintsugi

  • Avalara includes real-time tax calculation; with Kintsugi it’s an add-on.
  • Avalara includes a public API; with Kintsugi it’s an add-on.
  • Kintsugi offers VAT number validation; Avalara doesn’t say whether it does.

Avalara starts at $69 per state a month (Streamlined Sales Tax plan; $79 per state otherwise, minimum 3 states). Avalara charges for each state or country, so the bill grows with every one you add. Kintsugi is free to start and charges per filing (Free monitoring; Starter is $75 per registration or filing). Kintsugi charges for each registration and return, so the bill grows with every state and filing. Having one US state’s returns filed costs $79 a month with Avalara. Having one US state’s returns filed costs $75 per filing with Kintsugi.

Avalara vs Kintsugi: full comparison

Every row comes from the vendor’s own pricing page, help centre or docs. “Not stated” means the vendor doesn’t say publicly, not that the feature is missing.

Avalara AvaTax compared with Kintsugi on pricing, coverage, features, integrations and support, checked November 6, 2026.
CriterionAvalara AvaTaxKintsugi
Overview
Type of toolEnterprise tax suiteBroad tax platform with per-state US filing plansPay-per-filing sales taxFree nexus monitoring, then pay per filing
Built for
  • Small businesses
  • Mid-market
  • Enterprise
  • Ecommerce
  • Small businesses
  • Ecommerce
  • SaaS
  • Mid-market
Countries covered190+ countriesCalculation; 12,000+ US jurisdictions100+ countriesMonitoring on every plan; filing on custom plans
Head officeUnited StatesUnited States
Founded2004Private, owned by Vista Equity Partners since 20222022Independent, venture-backed (Vertex is an investor)
Pricing
Starting price$69 per state a monthStreamlined Sales Tax plan; $79 per state otherwise, minimum 3 states$0 a monthFree monitoring; Starter is $75 per registration or filing
Pricing modelMonthly fee per state or countryFee per filing
One price covers every state and countryNoPriced per stateNoPriced per filing
Free planNoYes
Free trialNot statedFree plan instead
Month to monthNot statedYes
Prices publishedPartialPartial
Filing: one US state$79 a monthCalculation, exemptions and unlimited returns; minimum 3 states$75 per filingStarter plan, no monthly fee
Filing: one countryQuote onlyVAT returns are quoted on a custom planQuote onlyCustom plans only
Registration: one US stateIncluded for Streamlined Sales Tax states$75 one-offUS and Canada, on Starter
Registration: one countryQuote onlyCustom plans only
Tax coverage
US sales taxYesCalculation, nexus tracking and managed filingYes
EU VATYes*VAT reporting on a custom planYes*Custom plans
EU One Stop Shop (OSS)Not statedYes*Custom plans
EU Import One Stop Shop (IOSS)Not statedNot stated
UK VATNot statedYes*Custom plans
Canada GST/HSTYesGST/HST, PST and QST returnsYesGST/HST, PST and QST
Australia and New Zealand GSTPartialCalculation; filing not statedYes*Custom plans
Rest of the worldYesCalculation; returns are a separate productYes*Custom plans
Compliance features
Nexus and threshold monitoringYesEconomic and physical nexusYesFree plan
Real-time tax calculationYesYes*Scale plan and up
Tax registrationYes*Paid service outside SST statesYesPaid per registration on Starter
Return filing and paymentYesUS returns and remittance, no per-return feeYesPaid per filing on Starter
Invoices and credit notesNot statedNot stated
E-invoicingYes*Separate e-invoicing productNot stated
VAT number validationNot statedYes
Exemption certificatesYesExemption management includedYes
Marketplace facilitator salesYesMarketplace sales importedNot stated
Developers and platforms
Public APIYesYes*Premium plan
MCP server for AI assistantsYesMCP servers for the AvaTax APIsYesMCP server
White-label for platformsNot statedNot stated
Integrations
ShopifyYesYes
WooCommerceYesYes
BigCommerceYesYes
Adobe Commerce (Magento)YesAdobe CommerceNot stated
AmazonYesYes
EtsyNot statedNot stated
StripeYesYes
PayPalNot statedNot stated
ChargebeeNot statedYes
QuickBooksYesYes
XeroNot statedNot stated
NetSuiteYes*On custom plansYes
Integration library1,400+ partner integrations on custom plansIntegrations included at no extra cost
Setup and support
SetupGuided onboardingGuided implementation; ERP projects take longerGuided onboardingFree onboarding
Support channelsNot statedPremium support on custom plansemail, chat and phoneAlso Slack

Yes*: offered as an add-on or on a higher plan; the note under it says how. Via partners: done by a third party. Partial: limited, see the note. Not stated: the vendor doesn’t say publicly.

Strengths and watch-outs

Avalara AvaTax

Strengths

  • Published per-state US prices with unlimited returns
  • Calculation in 190+ countries and a very large connector library
  • Exemption certificate management built in

Watch-outs

  • VAT, e-invoicing and international filing are quoted separately
  • The $79 per-state plan needs at least three states
  • Premium support and ERP connectors sit on custom plans

Kintsugi

Strengths

  • Free nexus monitoring across the US and 100+ countries
  • Month to month, with no monthly fee on Starter
  • An MCP server for AI assistants

Watch-outs

  • International VAT and GST prices aren’t published
  • Real-time calculation starts on the Scale plan
  • Per-filing fees add up for monthly filers in many states

Avalara vs Kintsugi: FAQ

Answers built from the same facts as the table above.

Is Avalara cheaper than Kintsugi?

Avalara starts at $69 per state a month (Streamlined Sales Tax plan; $79 per state otherwise, minimum 3 states). Avalara charges for each state or country, so the bill grows with every one you add. Kintsugi is free to start and charges per filing (Free monitoring; Starter is $75 per registration or filing). Kintsugi charges for each registration and return, so the bill grows with every state and filing. Having one US state’s returns filed costs $79 a month with Avalara. Having one US state’s returns filed costs $75 per filing with Kintsugi.

Do Avalara and Kintsugi file tax returns for you?

Avalara offers return filing (US returns and remittance, no per-return fee). Kintsugi offers return filing (Paid per filing on Starter). Avalara offers tax registration as an add-on (Paid service outside SST states). Kintsugi offers tax registration (Paid per registration on Starter).

Which covers more countries, Avalara or Kintsugi?

Avalara calculates tax in 190+ countries. Kintsugi calculates tax in 100+ countries. Avalara offers EU VAT as an add-on (VAT reporting on a custom plan). Kintsugi offers EU VAT as an add-on (Custom plans).

Do Avalara and Kintsugi support e-invoicing?

Avalara offers e-invoicing as an add-on (Separate e-invoicing product). Kintsugi doesn’t say publicly whether it offers e-invoicing.

Which integrations do Avalara and Kintsugi have in common?

Both connect to Shopify, WooCommerce, BigCommerce, Amazon, Stripe and QuickBooks. Only Avalara lists Adobe Commerce (Magento). Only Kintsugi lists Chargebee and NetSuite.

Who should choose Avalara, and who should choose Kintsugi?

Avalara suits US sellers who want managed sales tax filing, mid-market and enterprise teams on an ERP and businesses with many exempt customers. Kintsugi suits small US sellers filing a few returns a year and Shopify or Stripe merchants who want to start with free monitoring.

Sources and method

Every fact comes from the vendor’s own pages, checked November 6, 2026. Where a vendor doesn’t say, we write “Not stated”. GoodVat publishes this comparison and is one of the tools in it. Spotted an error? Email hello@goodvat.com.

Independently reviewed and signed off by accountants in 4 jurisdictions on November 6, 2026, to keep it objective.

Sources for Avalara AvaTax

Sources for Kintsugi

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