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Avalara AvaTax API Endpoints

Updated today

Portal/Instance Identifier: sandbox-rest

Base URLs

  • Sandbox/Test: https://sandbox-rest.avatax.com/api

  • Production/Live: N/A

Table of Contents

Customer Endpoints

Get Customer By Id: (GET)

https://sandbox-rest.avatax.com/api/v2/customers/{id}

Create Customer: (POST)

https://sandbox-rest.avatax.com/api/v2/customers

Get All Customers (Polling):

https://sandbox-rest.avatax.com/api/v2/customers

Update Customer By Id: (PUT)

https://sandbox-rest.avatax.com/api/v2/customers/{id}

Get Customer CustomField By Customer Id: (GET)

https://sandbox-rest.avatax.com/api/v2/customers/{id}/custom-fields (GET)

Update Customer Custom Fields by Customer Id: (PUT)

https://sandbox-rest.avatax.com/api/v2/customers/{id}/custom-fields?custom_fields=updateCustomFieldJSON

Example:

https://sandbox-rest.avatax.com/api/v2/customers/{id}/custom-fields?custom_fields={"id": 3,"value": "A very important customer"}

Certificate Endpoints

Get Certificate Customer by Customer Code: (GET)

https://sandbox-rest.avatax.com/api/v2/customers/{id} /v2/companies/{activeCallWrapper._integrationConnection.Settings.APIClientId}/customers/{CustomerCode}/certificates

GetAll Certificate Customer: (GET)

https://sandbox-rest.avatax.com/api/v2/com panies/{activeCallWrapper._integrationConnection.Settings.APIClientId}/certificates?$include=customers&$top={top}&$skip={skip}

Authentication/OAuth Endpoints

Get Authorized: (GET)

https://sandbox-rest.avatax.com/api/v2/utilities/ping 
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