Comparison
AuthForge vs KeyAuth
AuthForge gives you unlimited apps, unlimited licenses, and signed validation by default, on a platform built for selling legitimate commercial software. KeyAuth is an older option whose community grew up around the game-hacking scene. The table reflects each product's public documentation as of 2026. If something looks wrong, email hello@authforge.cc and we'll correct it.
| Feature | AuthForge | KeyAuth |
|---|---|---|
| Built for legitimate commercial software | Yes, primary audience | Roots in the gamedev / cheat community |
| Apps per account | Unlimited | Multiple |
| Licenses / end users | Unlimited | Capped per tier (10 free, 10,000 paid) |
| Billing model | Usage-based, one shared credit pool, no minimum | Flat monthly tiers with per-user caps |
| Feature access | Every feature on every plan | Features split across tiers |
| Signed validation responses (Ed25519) | Yes, on by default | Optional / varies |
| Replay protection (per-request nonce) | Yes | Varies |
| Hardware locking with configurable seats | Yes, per-license (1–16) | Yes, per-license |
| First-party language SDKs | Python, Node, Go, Rust, C#, C++ | C#, C++, Python; community ports for others |
| Managed Stripe + Lemon Squeezy fulfillment | Yes, built in | Usually external; Lemon not first-class |
| Self-service customer portal | Yes, hosted & branded (magic-code login, self-serve HWID reset) | Varies |
| Developer REST API (server-to-server) | Yes, scoped keys, no credit cost | Yes, seller API |
| Docs for AI coding assistants | Yes, llms.txt + MCP server | No |
The difference that matters for most teams
KeyAuth grew up around the game-hacking and cheat scene, and a large part of its community still sits there. For many projects that history is irrelevant. It starts to matter once you run real revenue through a payment processor, because processors look at the nature of your business and the tools it depends on, and it matters when a customer or partner researches the stack behind your product.
AuthForge is built for people selling ordinary commercial software: desktop apps, plugins, internal tools, bots, and small SaaS. Keeping your licensing layer on a platform aimed at that market is one less thing to explain when a processor reviews your account.
No caps to plan around
KeyAuth's plans cap how many users you can have. AuthForge does not. You can run as many apps as you want and issue as many licenses as you want, and a single shared credit pool covers all of them. You buy validation credits and spend them across every app, so adding a second or tenth product costs nothing extra until it actually gets traffic.
Ship a real integration in a few lines
The Python SDK looks like this, and the same shape exists for Node, Go, Rust, C#, and C++.
from authforge import AuthForgeClient
client = AuthForgeClient(app_id="...", app_secret="...")
if not client.login(license_key):
raise SystemExit("Invalid license")
# Authenticated. Every response is Ed25519-signed, so a
# man-in-the-middle cannot forge a success the SDK will trust.Where KeyAuth may still fit
KeyAuth has a larger community and a longer history, and its feature set is tuned for the gamedev and anti-tamper crowd. If you build for that audience and want to be where it already gathers, it is a reasonable home.
Questions developers ask
Is AuthForge a good KeyAuth alternative?
Yes, particularly if you sell ordinary commercial software and want signed-by-default validation, unlimited apps and licenses, and a first-party SDK for your language.
Does AuthForge cap users or apps?
No. Apps and licenses are unlimited, and one shared credit pool covers every app. You pay for validation traffic, not for seats or products.
Will it work for software that isn't a game?
That is the main audience. Desktop apps, plugins, internal tools, bots, and small SaaS all work the same way.
Try it side by side
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