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By Communications taxCommunications REST v2 Developer Guide

Errors

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General

Error Code

Message

Summary

HTTP 403 Forbidden

Forbidden

The request has been denied

HTTP 500

Internal Server Error

A problem has occurred with the service

HTTP 503

Service Unavailable

The service is unavailable

Authentication

Error Code

Message

Summary

HTTP 401

Unauthorized

Not properly authenticated with REST v2 or problems in the header

Error Code

Message

Summary

HTTP 404

Profile ID 999 not found.

Client Profile passed in the header is not valid

Request

Error Code

Message

Summary

-2000

Request body cannot be empty.

Body of the API request is empty or incomplete

Part of the Communications REST v2 Developer Guide integration guide. Open the full “Errors” milestone on Avalara to see every page in this section.