Linking to image from Twilio with API: XML error but works manually

I can’t seem to download images from Twilio MMS to Bubble (the preferred approach), so I’m trying a workaround – just adding a link.

I used API Connector and I can get the body and the “from” number, but the link doesn’t work. Here’s what I did:

When I manually enter the MMS url into a browser in the same way it’s formatted in the “Destination URL,” it resolves properly to a screen showing the image.

But when I click on the link from my Bubble Preview page, I get this error page that says there’s no XML structure:

I’ve tried a million things and I’m still stuck.