MinecraftServerAPI 1.21.x is a release file of the Minecraft plugin Server API, made for Minecraft 1.21.2, 1.21, 1.21.3, 1.21.5, 1.21.8, 1.21.4, 1.21.7, 1.21.1, 1.21.6. It was published on September 6, 2025 and is 9.8 MB in size. For the full description, screenshots and every other version, visit the Server API plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
