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KB-1484 HTTP 500 error when using Appian Integration Object to call an Appian Web API


When calling an Appian web API using an Appian integration object, the response is a HTTP 500 error.


This can happen 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 that the request body is property cast using the a!toJson() function.

Affected Version

This article applies to Appian 17.2 and later.

Last Reviewed: January 2018