I've also attempted using an array aggregator, but that didn't resolve the issue.

Actually, the source module for JSON is Tools. The source module for Tools is Iterator.

That sounds like what I need. What would be required to resolve this?

Was that shown in one of the initial images in this discussion? This is what I currently have configured in the module.

Here is the output from the JSON module that the webhook is receiving. Screenshot 2025-02-07 113249833×774 66.7 KB