You are currently reviewing an older revision of this page.

Error 500 when using Appian integration object to call an Appian Web API


When calling an Appian Web API using Appian Integration Object, the response is a HTTP 500 error.


This can cause when the request to the Web API is malformed or contains invalid inputs.


Check to make sure that all parameters being passed are valid, and the request body is property cast using the a!toJson() function.

Affected Version

This article applies to Appian 17.2 and later.