diff --git a/package.json b/package.json
index e517b37..18046f6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@techniker-me/pcast-api",
-  "version": "2025.0.8",
+  "version": "2025.0.9",
   "type": "module",
   "scripts": {
     "ci-build": "bun run build:node && bun run build:browser && bun run build:types",
diff --git a/src/PCastApi.ts b/src/PCastApi.ts
index c05b0ab..24812dc 100644
--- a/src/PCastApi.ts
+++ b/src/PCastApi.ts
@@ -8,25 +8,27 @@ export class PCastApi {
   private readonly _streams: Streams;
   private readonly _reporting: Reporting;
 
-  constructor(pcastUri: string, applicationCredentials: ApplicationCredentials) {
+  private constructor(pcastUri: string, applicationCredentials: ApplicationCredentials, channels: Channels) {
     const normalized = pcastUri.replace(/\/+$/, '');
     this._pcastUri = normalized.endsWith('/pcast') ? normalized : `${normalized}/pcast`;
 
     this._applicationCredentials = applicationCredentials;
     this._pcastHttpRequests = new PCastHttpRequests(this._pcastUri, this._applicationCredentials);
-    this._channels = new Channels(this._pcastHttpRequests);
+    this._channels = channels;
     this._streams = new Streams(this._pcastHttpRequests);
     this._reporting = new Reporting(this._pcastHttpRequests);
   }
 
+  public static async create(pcastUri: string, applicationCredentials: ApplicationCredentials): Promise<PCastApi> {
+    const pcastHttpRequests = new PCastHttpRequests(pcastUri.replace(/\/+$/, '').endsWith('/pcast') ? pcastUri : `${pcastUri}/pcast`, applicationCredentials);
+    const channels = await Channels.create(pcastHttpRequests);
+    return new PCastApi(pcastUri, applicationCredentials, channels);
+  }
+
   get pcastUri(): string {
     return this._pcastUri;
   }
-
-  get applicationCredentials(): ApplicationCredentials {
-    return this._applicationCredentials;
-  }
-
+  
   get channels(): Channels {
     return this._channels;
   }
diff --git a/src/index.ts b/src/index.ts
index bf2fa86..e184b53 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,22 @@
 import {PCastApi} from './PCastApi';
-import {ReportKind} from './pcast/ReportKind';
-import {ViewingReportKind} from './pcast/ViewingReportKind';
+import type {Channels, Streams, Reporting, ReportKind, ViewingReportKind} from './pcast';
+
+import type {ChannelId, Channel, ChannelAlias, Member, ChannelError} from './pcast/Channels';
+import type {HttpMethod} from './net/http/HttpMethod';
+import type {HttpRequestError} from './net/http/HttpRequests';
+import type {ChannelResponse, ChannelsResponse, MembersResponse} from './pcast/IResponse';
+import type {ApplicationCredentials} from './pcast/PCastRequests';
+import type {PublishingReportOptions, ViewingReportOptions} from './pcast/Reporting';
+import type {ReportKindType} from './pcast/ReportKind';
+import type {ViewingReportKindType} from './pcast/ViewingReportKind';
+
+export type {Channels, Streams, Reporting, ReportKind, ViewingReportKind};
+export type {ChannelId, Channel, ChannelAlias, Member, ChannelError};
+export type {HttpMethod, HttpRequestError};
+export type {ChannelResponse, ChannelsResponse, MembersResponse};
+export type {ApplicationCredentials};
+export type {PublishingReportOptions, ViewingReportOptions};
+export type {ReportKindType, ViewingReportKindType};
 
-export type {ReportKind, ViewingReportKind};
 export {PCastApi};
 export default PCastApi;
diff --git a/src/pcast/Channels.ts b/src/pcast/Channels.ts
index 31bf540..6806849 100644
--- a/src/pcast/Channels.ts
+++ b/src/pcast/Channels.ts
@@ -49,11 +49,16 @@ export class ChannelError extends Error {
 export class Channels {
   private readonly _httpRequests: PCastHttpRequests;
   private readonly _channelsByAlias: Map<ChannelAlias, Channel> = new Map();
-  private _initialized = false;
+  private _initialized: Promise<void> | boolean = false;
 
-  constructor(pcastHttpRequests: PCastHttpRequests) {
+  private constructor(pcastHttpRequests: PCastHttpRequests) {
     this._httpRequests = pcastHttpRequests;
-    this.initialize();
+  }
+
+  public static async create(pcastHttpRequests: PCastHttpRequests): Promise<Channels> {
+    const instance = new Channels(pcastHttpRequests);
+    await instance.initialize();
+    return instance;
   }
 
   public async createChannel(name: string, description: string, channelOptions: string[] = []): Promise<Channel> {
@@ -107,6 +112,10 @@ export class Channels {
     return response.channels;
   }
 
+  public async refreshCache(): Promise<void> {
+    await this.list(); // This clears and repopulates the cache
+  }
+
   public async getChannelInfoByAlias(alias: string): Promise<Channel | undefined> {
     return this.get({alias});
   }
@@ -116,12 +125,20 @@ export class Channels {
       throw new ChannelError('Either alias or channelId must be provided', 'MISSING_PARAMETER');
     }
 
+    if (this._initialized === false) {
+      await this.initialize();
+    } else if (this._initialized instanceof Promise) {
+      await this._initialized;
+    }
+
     if (alias) {
       // Check cache first
       if (this._channelsByAlias.has(alias)) {
         return this._channelsByAlias.get(alias);
       }
 
+      // Instead of fetching full list, try to fetch single channel if possible
+      // Assuming API has /channel/{alias}, but based on code, it doesn't; fallback to list
       const channelList = await this.list();
 
       // Update cache
@@ -129,6 +146,7 @@ export class Channels {
     }
 
     if (channelId) {
+      // Similar fallback
       const channelList = await this.list();
 
       return channelList.find(channel => channel.channelId === channelId);
@@ -191,7 +209,7 @@ export class Channels {
 
   // Cache management methods
   public isInitialized(): boolean {
-    return this._initialized;
+    return this._initialized !== false && !(this._initialized instanceof Promise);
   }
 
   public clearCache(): void {
@@ -203,21 +221,26 @@ export class Channels {
     return this._channelsByAlias.size;
   }
 
-  private async initialize() {
-    try {
-      const channelsList = await this.list();
-      if (!channelsList) {
-        console.warn('[Channels] Failed to initialize cache - no channels returned');
-        return;
-      }
+  private async initialize(): Promise<void> {
+    this._initialized = (async () => {
+      try {
+        const channelsList = await this.list();
+        if (!channelsList) {
+          console.warn('[Channels] Failed to initialize cache - no channels returned');
+          return;
+        }
 
-      for (const channel of channelsList) {
-        this._channelsByAlias.set(channel.alias, channel);
-      }
+        for (const channel of channelsList) {
+          this._channelsByAlias.set(channel.alias, channel);
+        }
 
-      this._initialized = true;
-    } catch (error) {
-      console.error('[Channels] Failed to initialize cache:', error);
-    }
+        this._initialized = true;
+      } catch (error) {
+        console.error('[Channels] Failed to initialize cache:', error);
+        this._initialized = true; // Mark as initialized even on error to avoid repeated attempts
+      }
+    })();
+ 
+    await this._initialized;
   }
 }
diff --git a/src/pcast/index.ts b/src/pcast/index.ts
index a5a2109..677cf58 100644
--- a/src/pcast/index.ts
+++ b/src/pcast/index.ts
@@ -2,3 +2,5 @@ export * from './Channels';
 export * from './Reporting';
 export * from './PCastRequests';
 export * from './Stream';
+export * from './ReportKind';
+export * from './ViewingReportKind';
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 9ef9612..563bea4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     // Environment setup & latest features
-    "lib": ["ESNext"],
+    "lib": ["ESNext", "DOM"],
     "target": "ESNext",
     "module": "Preserve",
     "moduleDetection": "force",