If you’ve ever tried to set up an AWS/SNS integration, you know that ServiceNow fails (rather spectacularly) to handle certain standard REST API request “Content-Types”; most notably, text/plain.

In this article, we’re going to discuss what happens when you you try to integrate with something that’s trying to send a plain-text payload, and how you can make it work. At the bottom of the article, we’ll have a simple Script Include that you can import into your instance to get around this issue, and make your plain-text integrations work.

To illustrate the issue, I’ll wake up my PDI, and set up a Scripted REST API (SRAPI) that’s meant to accept a plain-text payload. I’ll include the steps to set this up, in case you want to follow along in your own PDI.

First, in the Application Navigator, I’m going to open up…