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  • Productsdown arrow
      Calculations
      AvaTax
      AvaTax Brazil
      AvaTax for Communications
      AvaTax for Excise
      Avalara Tax Content
      E-invoicing
      Activation Service
      Avalara E-Invoicing and Live Reporting
      Brazil
      Brazil Customer Portal
      Tax Compliance (Brazil)
      Tax Central
      Data Staging
      Returns
      Avalara Managed Returns API
      MyLodgeTax
      Avalara Returns Excise
      VAT Reporting
      Shared service
      Shared Services
      1099 & W-9
      Avalara 1099 & W-9
      Tax registrations and business licenses
      Avalara License Guidance
      Sales Tax Registrations
      Payroll tax registrations
      Avalara license filings
      ECM
      Exemption Certificate Management
      Avalara Cross-Border
      Automated Tariff Code Classification
      Self-Serve Tariff Code Classification
      Managed and Premium Tariff Code Classification
      AvaTax Cross-Border (Estimator + Calculator)
      Avalara Trade Compliance
      Avalara Trade and Tariff Library
  • Learndown arrow
      Integrations guides
      Refactor guides
      Get certified
  • Get starteddown arrow
      AvaTax 90 days free trial
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      Build with Avalara using AI
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Models
Top 10 EndPoints
Top 10 EndPoints
Ping
This API helps diagnose connectivity problems between your application and AvaTax; you may call this API even if you do not have verified connection credentials. The results of this API call will help you determine whether your computer can contact AvaTax via the network, whether your authentication credentials are recognized, and the roundtrip time it takes to communicate with AvaTax.
CreateTransaction
Records a new transaction in AvaTax. A transaction represents a unique potentially taxable action that your company has recorded, and transactions include actions like sales, purchases, inventory transfer, and returns (also called refunds).
ResolveAddress
Resolve an address against Avalara's address-validation system.
CommitTransaction
Marks a transaction by changing its status to Committed.
VoidTransaction
Voids the current transaction uniquely identified by this URL.
AdjustTransaction
Replaces the current transaction uniquely identified by this URL with a new transaction.
AuditTransaction
Retrieve audit information about a transaction stored in AvaTax.
RefundTransaction
Create a refund for a transaction.
CreateCustomers
Create one or more customers for this company.
CreateCertificates
Record one or more certificates document for this company.
Download a Postman collection
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