“Sorry, you have been blocked” error when accessing Zoom API

Zoom Apps Configuration
Our app is running on node.js backend and an AngularJS microfrontends. The only relevant code here is our node.js backend.

Error Description
Since recently, all our requests to Zoom API fail with “403 Forbidden” response code. In the response body, we see the following:

Please enable cookies.

Sorry, you have been blocked

You are unable to access zoom.us

Why have I been blocked?

This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data.

What can I do to resolve this?

You can email the site owner to let them know you were blocked. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page.
Cloudflare Ray ID: ** 7a7cd16b8d77c64f** • Your IP: Click to reveal • Performance & security by Cloudflare

For example, this response we got to a request to api/v2/users/meetings. Same with all other requests to Zoom API.

We make these requests from our node.js backend. It has been working fine but started failing this last weekend. We didn’t change anything.

The issue affects both our Staging and Production environments…

This is an urgent issue as it breaks key features of our system,

How To Reproduce
Open our app, try to register as a new user.
Or try to schedule a meeting as an existing user

Apologies for the delay here, I sent you a DM requesting further information. If you’re still encountering this issue please provide the IP address where you encountered this issue in the DM.