KeyAuth is an Open-source authentication system with cloud-hosted subscriptions available as well.

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Why KeyAuth?

End-to-end encryption

KeyAuth values privacy and security. Preserve your user's experience and your application's integrity.

Protect your user's data from start to finish.

Front pages overview

Accounts

Applications

Licenses

Users currently logged in

Detailed Tutorials

KeyAuth provides descriptive visual instructions for novice programmers.

YouTube Channel GitHub

+rep amazing auth system, great community always ready to help. Easy to setup & lowest downtime I've seen so far. 10/10 don't waste time on the other auth systems you have everything you need here!

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Elf ♰ Seller Subscription

I love keyauth it helped me so much with my buisnes project 10/10 very satisfied

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Dusty <3 Free Subscription

Vouch For KeyAuth. Very reliable authentication system for C++ C# haven't tested any other languages however I'd assume it would be just as good. API is well presented and easy to understand especially with the help from the docs. If you do have issues the staff team are always at hand to help[...]

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Undefined Developer Subscription

HUGE vouch, honestly best auth I know, never failed me once, good helpers & support. I honestly don’t know a single bad thing about keyauth. HUGE HUGE vouch, don’t even hesitate buying it’s worth it in every aspect.Super fast response times + no hassles.

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cerx Seller Subscription

I 110% recommend KeyAuth, easily the greatest Auth service out there with every feature you need plus more. I have been using KeyAuth for months now and it really is great the service is amazing, the owner and admins/support are great, and the APIs are easy to use!

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Steve Jobs Seller Subscription

Several Features

We provide more than just a login system. It couldn't be easier to improve your application with our easy to use features.

AES-256 Encryption

All requests sent to and from the server are AES-256 Encrypted and then Hex encoded

Optional Hardware Lock

Enable the Hardware Lock to require the server to check if HWID matches

Hardware Blacklist

Blacklist your client's hardware info such as Windows SID and IP address

DDoS protection

KeyAuth mitigates DDoS attacks swiftly, preventing any disruption to your user's during authentication

Server-sided Webhooks

Protect your API link(s) by having KeyAuth send requests on the server-side.

Server-sided Variables

Store strings securely on the server-side, only allowing access to them after authentication

Server-sided Files

Upload files securely on the server-side, only allowing users to download after authentication

SellerAPI

API endpoint exclusive to customers with the Seller role, access to all KeyAuth resources outbound

Open-source project

KeyAuth is an open-source project. There are also cloud-hosted subscriptions for people looking to forego the investment of time and money attributed to self-hosting.

View on GitHub
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$ 0 /year

Tester Subscription

Limited Access for those looking to experiment implementing KeyAuth

  • Users 50
  • Upload Files (10 MB)
  • Create Webhooks
  • Variables
  • Logs
  • Hardware Blacklist
  • Reseller & Manager Accounts
  • SellerAPI Access
  • Discord Bot
Start for Free
$ 9.99 /year

Developer Subscription

Ample limits plus full access to reseller system. Most folks start here.

  • Users Unlimited
  • Upload Files (50 MB)
  • Create Webhooks
  • Variables
  • Logs
  • Hardware Blacklist
  • Reseller & Manager Accounts
  • SellerAPI Access
  • Discord Bot
Go to Developer
$ 19.99 /year

Seller Subscription

Full-fledged supporter, we appreciate you for keeping our servers running!

  • Users Unlimited
  • Upload Files (50 MB)
  • Create Webhooks
  • Variables
  • Logs
  • Hardware Blacklist
  • Reseller & Manager Accounts
  • SellerAPI Access
  • Discord Bot
Start with Seller