diff --git a/README.md b/README.md
index 5bed4ab..ab54031 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ npm install prismarine-realms
 
 ### RealmAPI
 
-#### .from(authflow: Authflow, platform: 'bedrock' | 'java')
+#### .from(authflow: Authflow, platform: 'bedrock' | 'java', options: Options)
 
 Takes an **Authflow** instance from [prismarine-auth](https://github.com/PrismarineJS/prismarine-auth), you can see the documentation for this [here.](https://github.com/PrismarineJS/prismarine-auth#authflow)
 
diff --git a/docs/API.md b/docs/API.md
index 0105c1e..b2a7153 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -60,6 +60,11 @@
       - [writeToDirectory](#writeToDirectory)
       - [getBuffer](#getBuffer)
 
+## Options
+Used for `RealmAPI.from()`
+| Param           | Type                 | Description                                                           |
+| --------------- | -------------------- | --------------------------------------------------------------------- |
+| usePreview      | `Boolean`            | If the Preview Realms API should be used (Only bedrock)               |
 ---
 
 ## Constructor
@@ -70,7 +75,7 @@ const { RealmAPI } = require('prismarine-realms')
 
 const authflow = new Authflow()
 
-const api = RealmAPI.from(authflow, 'bedrock' | 'java')
+const api = RealmAPI.from(authflow, 'bedrock' | 'java', options)
 ```
 ---
 
diff --git a/index.d.ts b/index.d.ts
index d3eb97e..3bfe840 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -2,15 +2,21 @@
 import { Authflow } from "prismarine-auth";
 
 declare module 'prismarine-realms' {
+  export class Options {
+    skipAuth?: Boolean
+    maxRetries?: Number
+    usePreview?: Boolean // Bedrock only
+  }
+
   export class RealmAPI {
     /**
      * Creates a new RealmAPI instance, which handles and authenticates calls to the Realms API
      * @param authflow An Authflow instance from [prismarine-auth](https://github.com/PrismarineJS/prismarine-auth).
      * @param platform Which platforms API to access
      */
-    constructor(authflow: Authflow, platform: 'bedrock' | 'java')
+    constructor(authflow: Authflow, platform: 'bedrock' | 'java', options?: Options)
 
-    static from(authflow: Authflow, platform: 'bedrock' | 'java'): BedrockRealmAPI | JavaRealmAPI
+    static from(authflow: Authflow, platform: 'bedrock' | 'java', options?: Options): BedrockRealmAPI | JavaRealmAPI
 
     getRealms(): Promise<Realm[]>
     getRealm(realmId: string): Promise<Realm>
diff --git a/src/rest.js b/src/rest.js
index fea2031..f2719c2 100644
--- a/src/rest.js
+++ b/src/rest.js
@@ -43,6 +43,13 @@ module.exports = class Rest {
       'User-Agent': this.userAgent
     }
 
+    // Minecraft Bedrock has two types of realms: Regular and Preview
+    // Regular realms can be only be accessed by the normal MCBE client, and Preview realms can only be accessed by the Preview (Beta) MCBE Client
+    // These versions have completely different worlds attached
+    if (this.options.usePreview && this.platform === 'bedrock') {
+      headers['is-prerelease'] = true
+    }
+
     if (!this.options.skipAuth) {
       const [key, value] = await this.getAuth()
       headers[key] = value