Q&A

Frequently asked questions about LibreAuth.

API & SDKs

Which API version does LibreAuth use?

LibreAuth API v1.3 — init, login, license, register, and check with Ed25519 signed responses.

How do I connect my client?

See Client Integration — set your API URL, app name, and owner ID in any official SDK.

Which SDKs are included?

LibreAuth ships built-in clients for C#, C++, Python, PHP, JavaScript, TypeScript, Java, Go, Rust, Ruby, Perl, Lua, React, Vue, Unity, WPF, and VB.NET — see Client SDKs.

Do I need external libraries?

No — copy the built-in source from SDK Portal. Set your API URL, app name, and ownerid.

Hosting

Does it work on shared hosting?

Yes — PHP + MySQL only. Ensure sodium is enabled (ask host or check phpinfo).

Do I need Redis?

No — optional for rate limiting. Works without it.

Pricing

Is LibreAuth free?

Yes — self-hosted, open source, no monthly fee, no user limits imposed by us.

Support

Developer: Nut.exe · nutexe.dev

Telegram: @NTNE999 · Developer: Nut.exe

Telegram: @NTNE999

Errors: see Troubleshooting