REST Service not working with all fields, working with subset

Hi all,

When creating a REST service for a form I’m encountering an issue.

I have 2 REST services (Capture 1). The first sends a subset of fields to an endpoint (Capture 2). This service works and the endpoint picks up the fields.

The second service sends all fields (Capture 3). This service does not work.

The two services are otherwise identical.

When monitoring the endpoint, it appears as though the second service is not even sending to the endpoint. I’m getting no server response error- I literally can’t see anything coming through from the second REST service. Any ideas?

Capture 1

Capture 2

Capture 3