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Elysium APIMinecraft mod for 1.21.1

Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize

newest supported 1.21.1UtilityWorldgenLibrary
Latest version
1.21.1-2.0.0-BETA.6
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
GPL-2.0-only
Downloads
2.5M
Updated
23 d ago
Available on
Modrinth
Space NodeOur hosting

Host Elysium API servers

One click and Elysium API is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Elysium API declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From Elysium API’s own host. Nothing is re-hosted here.

1.21.1-2.0.0-BETA.6beta17 Jun 2026

ElysiumAPI-1.21.1-2.0.0-BETA.6.jar · 0.4 MB · for 1.21.1

Download latest
c80337548739…
Older versions12
  • 1.21.1-2.0.0-BETA.216 Jun 20261.21.10.4 MB740 downloads0eb654d40690…Get
  • 1.21.1-1.2.0-ALPHA.1931 May 20261.21.10.3 MB5.8k downloads70f8725418ab…Get
  • 1.21.1-1.2.0-ALPHA.1730 May 20261.21.10.3 MB633 downloadseb84f4e980ee…Get
  • 1.21.1-1.2.0-ALPHA.1225 Apr 20261.21.10.3 MB8.3k downloads345ad40fa2d7…Get
  • 1.21.1-1.2.0-ALPHA.82 Apr 20261.21.10.3 MB3.6k downloadsaef1aee7e923…Get
  • 1.20.1-1.1.329 May 20251.20.10.1 MB2.0M downloads60da824cd2e6…Get
  • 1.20.1-1.1.213 May 20251.20.10.1 MB21.7k downloadsb2c77d664ff5…Get
  • 1.20.1-1.1.19 May 20251.20.10.1 MB5.5k downloads3e694130c989…Get
  • 1.20.1-1.1.02 Apr 20251.20.10.1 MB87.7k downloads965a36412f37…Get
  • 1.20.1-1.0.217 Dec 20241.20.10.1 MB237.2k downloads0dc8510db7fd…Get
  • 1.20.1-1.0.116 Dec 20241.20.10.1 MB603 downloadsd0b926448afa…Get
  • 1.20.1-1.0.012 Dec 20241.20.10.1 MB323 downloadsd6d2a020ea62…Get

Frequently asked

Does Elysium API work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Elysium API declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Elysium API support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does Elysium API need?

Forge, NeoForge. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Elysium API?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Elysium API under?

GPL-2.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Elysium API?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Elysium API safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 20 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .