- Latest version
- 4.1.0
- Minecraft
- 1.20.1 to 26.1.2
- Java
- Java 25+
- Loader
- Fabric
- Licence
- MIT
- Downloads
- 72.5k
- Updated
- 5 mo ago
- Available on
- Modrinth
Our hostingHost Slot Customization API servers
One click and Slot Customization API is installed with the right loader, on hardware built for it.
- 26.1.2
- Fabric
- One click mod install
- Loader matched for you
- Ryzen CPUs
- NVMe SSD
Minecraft versions
Every version Slot Customization API declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 26.1.2 | Fabric | 25+ | declared | 9 Apr 2026 |
| 26.1.1 | Fabric | 25+ | declared | 1 Apr 2026 |
| 26.1 | Fabric | 25+ | declared | 24 Mar 2026 |
| 1.21.11 | Fabric | 21+ | declared | 9 Dec 2025 |
| 1.21.10 | Fabric | 21+ | declared | 7 Oct 2025 |
| 1.21.1 | Fabric | 21+ | declared | 8 Aug 2024 |
| 1.21 | Fabric | 21+ | declared | 13 Jun 2024 |
| 1.20.6 | Fabric | 21+ | declared | 29 Apr 2024 |
| 1.20.1 | Fabric | 17+ | declared | 12 Jun 2023 |
Download
From Slot Customization API’s own host. Nothing is re-hosted here.
slot-customization-api-4.1.0.jar · 42 KB · for 26.1.2, 26.1.1, 26.1
f3dce54a8aae…Older versions9Hide older versions
- 4.0.115 Apr 202626.1.2, 26.1.1, 26.141 KB61 downloads
01fdae181371…Get - 4.0.015 Apr 202626.141 KB21 downloads
c03a8aae2356…Get - 3.1.022 Dec 20251.21.1140 KB935 downloads
df56ae6c1adf…Get - 3.0.023 Oct 20251.21.1039 KB523 downloads
1c1df3f404b8…Get - 2.2.03 Jul 20251.21.139 KB10.5k downloads
0433998bd6b9…Get - 2.1.031 Aug 20241.21.16 KB7.4k downloads
af66741b99aa…Get - 2.0.014 Jun 20241.216 KB6.3k downloads
407390953b90…Get - 1.0.0-1.20.111 May 20241.20.16 KB46.7k downloads
ec06d894089e…Get - 1.0.03 May 20241.20.65 KB232 downloads
d254b064203f…Get
Frequently asked
Does Slot Customization API work on Minecraft 26.1.2?
Yes. 26.1.2 is the newest Minecraft version Slot Customization 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 Slot Customization API support?
Everything the author has declared, from 1.20.1 up to 26.1.2. The full list is in the table above, with the Java runtime each version needs next to it.
Do I need to install Slot Customization API on the client or the server?
Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.
Which platform or loader does Slot Customization API support?
Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for Slot Customization API?
On the newest Minecraft version it supports, Java 25 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 Slot Customization API under?
MIT, 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 Slot Customization 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 Slot Customization API safely?
Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .