Sumo_ling_Sumo_ling_
Sumo_ling_
Apr 2, 2025

Q: Desktop SaaS App Licensing

I have a desktop app developed in .NET and use a 3rd party licensing solution WyDay LimeLM. When a customer purchases a subscription to my app, FastSpring hosts and runs PHP code (I think they also allow JS) that can call the LimeLM api to generate a license key which is then emailed to the customer by FastSpring. When the customer's subscription renews after 1 year, I can again use the hosted PHP code to call the LimeLM api and add 1 year to the existing license key. I see Creem has its own built-in licensing system but that seems more oriented to web apps whereas I want to use an established third party solution that has verified trial support, hardware fingerprinting and a C# API. Does Creem currently have support to call third party license systems for on-the-fly license key generation?

Founder Team
Gabriel_Creem

Gabriel_Creem

Apr 2, 2025

A: Hi! Thanks for the question!

Indeed as you noted, we have our own licensing engine. As mentioned, it is not so in depth offering hardware fingerprinting and other adjacent functionality, but with our APIs and webhook, you could easily hook Creem up with your current preferred solution.

You could identify when a successful purchase was made through the webhook, and start the license flow on your software programmatically. You can also setup the webhooks to call the third party software directly in addition to your own application, as long as you are able to parse our webhook body on the licensing software you would have no issues with that.

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