When you land on ugsvt-dev.query.api.dvb.corpinter.net, you're greeted with a server error and a vague message about a cookie state mismatch. That's not a good sign for any website, let alone one that might be handling requests. The domain is a subdomain of corpinter.net, which sounds like an internal corporate network, but the WHOIS records don't even cover this address. There's no way to confirm who set it up or what it's supposed to do.
For a backend API endpoint, you wouldn't expect a pretty homepage or social media profiles. But you would expect it to work. The HTTP 500 error means the server is failing to respond properly. Combined with zero web archive history and no contact information, this looks like an abandoned or misconfigured development server, not a service anyone should rely on.
If you're wondering whether ugsvt-dev.query.api.dvb.corpinter.net is a scam, the evidence doesn't support that label. It's more accurate to say the site is non-functional and opaque. There's no risk of losing money or data because there's nothing to interact with. But that also means there's no reason to trust it. My advice: avoid this URL entirely. If you need a similar service, look for one that works and tells you who runs it.