Access Denied API
by WereF0X
Access Denied API is a developer library for Fabric and NeoForge that lets other mods add custom conditions and requirements for game content.
What it does
Developers use the API to build addons and compatibility layers for other mods, including custom dimensions and custom logic that mods can support. The author notes give End Remastered as an example, where ender eyes are removed from portal frames and custom conditions and requirements are created on top of that change. Both client and server need the library, so every player and the server run it. Builds cover 1.21.1 – 1.21.3, and the code is under All rights reserved, so the library is not open source.
Key features
Custom requirements
Mods built on the library can define their own conditions and requirements for game content.
Compatibility addons
Developers can write addons that connect to other mods, supporting integrations that the original authors did not provide.
Developer guide
A developer guide is provided with the stable release, describing how to use the API.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Access Denied API need to be installed on both sides?
Which loaders does Access Denied API support?
More from WereF0X
What the author says
The Access Denied API allows developers to create addons for the mod. The API allows creation of mod compats for dimensions that have custom logic not supported by Access Denied (for example, End Remastered's ender eyes not being removed from the portal frames), and allows custom conditions or requirements to be…
Official listing
- Modrinth page
- modrinth.com/mod/access-denied-api
- Owner
- WereF0X
- Published
- 2026-01-07
- Updated on Modrinth
- 2026-02-28
- Facts verified
- 2026-10-15