Product news
Nightflyer and Rocket take software offline
5 min read
Meet our offline authorization API and the high-capacity plan created for games and software that need to keep working when customers need it most.
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Thoughts, guides, and insights on software licensing.
Latest posts
Management API guide
How to use our API to create keys on demand
6 min read
Create license keys after a successful checkout, Discord command, or internal action, without exposing a credential to customers.
Read guideLicensing security
Hardware IDs break. We're here to fix that.
5 min read
Why single-source hardware IDs frustrate customers and invite spoofing, and how SL-HWID makes locking more resilient.
Read guideProduct news
Bedrock: our best authentication API yet
4 min read
Use signed, challenge-bound sessions for connected software running on customer hardware, with strong replay protection.
Read guideServer-side variables
How to protect your program's sensitive data with Server Side Variables
7 min read
Store API keys, webhook URLs, and other values on the server, read them over HTTPS from your app, and change them without shipping a new build.
Read guideOur commitments
The System Locker 5% Initiative
3 min read
We are committing 5% of revenue to causes that support humanitarian efforts. System Locker values human flourishing, privacy, and security.
Read guideC++ security guide
How to secure your application: going beyond auth.
8 min read
A practical post-authentication checklist for server-side access decisions, release hardening, signing, and tamper resistance.
Read guideLicensing security
Why we're building Aegis, a new licensing security tool
4 min read
The benefits of defense in depth, what suspicious authentication patterns can reveal, and how Aegis helps developers respond with context.
Read guideC++ library guide
How to use the official System Locker C++ library
6 min read
The preferred way to add Bedrock authentication, background heartbeats, and System Locker APIs to a C++20 application.
Read guideNode.js guide
How to protect a Discord bot with System Locker
8 min read
Use the Simple API to check a discord.js bot from the central server where it runs, without exposing a management API key.
Read guideC# guide
How to protect a simple C# application with System Locker
8 min read
A straightforward Bedrock integration for a Windows app running on customer hardware, with signed responses and live sessions.
Read guideC++ guide
How to protect a simple Windows C++ application with System Locker
9 min read
Use the Bedrock reference client for signed initialization responses and token-rotating heartbeats in a Windows app.
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