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Avalara Help Center

Why am I getting a 500 error when making an API request via REST?

Overview

When trying to send a manual API request via a REST client I am getting a 500 error.

Environment

Avalara Avatax
REST API

Resolution

Please be sure to test with various REST clients when making manual API requests to the service. This will help narrow down the issue and ensure it isn't related to a specific REST client you are using.

Cause

Customer's REST client was misconfigured and the cause of the error.
API request returned success response once a different REST client was used.