Software License Manager for Apps and Scripts
Manage, issue, and verify license keys with our software license manager. Secure activations via API for apps and plugins. Start your free trial today.
About License Manager
Software developers, plugin creators, and digital vendors need reliable infrastructure to issue credentials and validate customer access. Doffl License Manager provides a centralized cloud system to generate serial keys, configure activation limits, and track active installations across desktop applications, WordPress plugins, and web scripts.
Connect your digital products using our lightweight verification API to validate licenses in real time and prevent unauthorized sharing. Create your account to start a free trial, manage customer licenses securely in the cloud, and scale with flexible subscription tiers.
Key features
- Generate unique serial keys and activation codes in bulk
- RESTful API for real-time license validation and activation
- Set per-license device and domain activation limits
- Revoke, suspend, or renew licenses instantly from the dashboard
- Track client IP addresses and activation history securely
- Configure expiration dates and recurring subscription periods
How to use License Manager
- Create an account and choose a plan with a free trial.
- Create a product profile and define key validation rules.
- Generate license keys manually or integrate the automated issuance API.
- Embed the verification endpoint into your software or plugin code.
- Monitor activations, renewals, and revocations directly from your cloud dashboard.
Who is it for?
- WordPress plugin developers protecting premium add-ons and extensions
- Desktop software creators controlling installations across Windows and macOS
- PHP script vendors preventing unauthorized domain reuse on self-hosted apps
- SaaS providers issuing on-premise enterprise installation keys
Frequently asked questions
How does the software license manager verify activations?
The system provides a REST API that your software queries during activation or startup. The endpoint checks key validity, expiration dates, and machine or domain limits before returning an authorized response.
Can I restrict licenses to a specific number of domains or devices?
Yes. You can configure activation limits per license key, allowing you to enforce single-seat desktop activations or restrict web plugins to a specific number of domain names.
Is there a free trial available?
Yes. Doffl offers a free trial on paid plans so you can test the dashboard, integrate the API, and verify activations before committing to a subscription.
What happens when a customer reaches their activation limit?
The API returns an error response indicating that the maximum activation threshold has been reached. You can permit users to deactivate existing seats or upgrade their plan from your dashboard.
Does the platform support recurring subscription licenses?
Yes. You can assign validity periods and expiration dates to each license key, allowing keys to automatically expire if a customer cancels their subscription.