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Avalara Help Center

Who can answer Developer or API questions?


You would like to know what the Avatax API is capable of, and not capable of, doing.


Avalara AvaTax API


  • Visit for information and documentation pertaining to the API.
    • Click here, to see the capabilities and limitations specific to both the REST and SOAP API.
    • See the API reference for information on writing code and for interactive “Try it now” samples.
  • Post specific questions about developing your connector in the Developer Community Forum. Note that responses can take up to two days.


NOTE: REST v2 is the Avalara API. All other APIs are being deprecated.

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