Added channel helper docs

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src/routes/blog/post/announcing-realtime-channel-helpers/+page.markdoc

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+---
+layout: post
+title: "Announcing Realtime Channel helpers: Type-safe subscriptions made simple"
+description: Build realtime subscriptions faster with a fluent, chainable API that reduces errors and improves code clarity.
+date: 2026-02-13
+cover: /images/blog/announcing-realtime-channel-helpers/cover.png
+timeToRead: 5
+author: jake-barnby
+category: announcement
+featured: false
+---
+
+If you've built realtime features in your apps, you've likely written channel strings by hand: concatenating IDs, formatting wildcards, and hoping you didn't introduce a typo that would silently break your subscription. While writing channel strings like `databases.*.tables.*.rows.*` works, it's error-prone and harder to maintain as your application grows.
+
+To make realtime subscriptions clearer and safer, Appwrite is introducing **Channel helpers**: a type-safe, fluent API for building realtime channel subscriptions.
+
+# Type-safe channels, zero typos
+
+Channel helpers eliminate the manual work of writing channel strings. Instead of concatenating strings and worrying about syntax errors, you use a chainable API that guides you through building valid channel subscriptions.
+
+The helper provides IDE autocomplete, catches errors at compile time, and makes your subscription logic self-documenting. No more guessing the correct format or debugging silent subscription failures caused by a misplaced dot or asterisk.
+
+# How it works
+
+Channel helpers are available through the `Channel` class in all Appwrite client SDKs. The API is designed to be intuitive and mirrors the structure of your Appwrite resources.
+
+Here's how you build a subscription to a specific row:
+
+```javascript
+import { Client, Realtime, Channel } from "appwrite";
+
+const client = new Client()
+    .setEndpoint('https://<REGION>.cloud.appwrite.io/v1')
+    .setProject('<PROJECT_ID>');
+
+const realtime = new Realtime(client);
+
+// Subscribe to a specific row with type-safe helpers
+const subscription = await realtime.subscribe(
+    Channel.tablesdb('<DATABASE_ID>').table('<TABLE_ID>').row('<ROW_ID>'),
+    response => {
+        console.log(response);
+    }
+);
+```
+
+Instead of writing `databases.<DATABASE_ID>.tables.<TABLE_ID>.rows.<ROW_ID>`, the helper builds the correct string for you while providing autocomplete and validation every step of the way.
+
+# Flexible and composable
+
+Channel helpers support the full range of Appwrite's realtime capabilities. You can:
+
+- **Subscribe to all resources**: Omit IDs to use wildcards automatically
+- **Filter by event type**: Chain `.create()`, `.update()`, or `.delete()` to listen only to specific events
+- **Build complex subscriptions**: Combine multiple helpers in a single call
+
+```javascript
+// Subscribe to all account events
+const subscription = await realtime.subscribe(Channel.account(), response => {
+    console.log(response);
+});
+
+// Subscribe to all row updates in a specific table
+const rowSubscription = await realtime.subscribe(
+    Channel.tablesdb('<DATABASE_ID>').table('<TABLE_ID>').row().update(),
+    response => {
+        console.log('Row updated:', response.payload);
+    }
+);
+
+// Subscribe to multiple channels at once
+const multiSubscription = await realtime.subscribe([
+    Channel.tablesdb('<DATABASE_ID>').table('<TABLE_ID>').row('<ROW_ID>'),
+    Channel.files()
+], response => {
+    console.log(response);
+});
+```
+
+# Key benefits
+
+- **Type-safe subscriptions**: Catch errors at compile time instead of runtime
+- **IDE autocomplete**: Build channels faster with intelligent suggestions
+- **Self-documenting code**: Channel structure is clear and readable
+- **Reduced errors**: Eliminate typos and formatting mistakes
+- **Consistent API**: Same helper syntax across all client SDKs
+- **Backwards compatible**: Existing string-based subscriptions continue to work
+
+# Available across all platforms
+
+Channel helpers are available in all Appwrite client SDKs: Web, Flutter, Apple, and Android. Each SDK provides the same fluent API, making it easy to build consistent realtime features across platforms.
+
+The helpers support all available channels, including:
+- Account events
+- Database rows
+- Storage files
+- Team and membership updates
+- Function executions
+
+Existing subscriptions using string channels continue to work, ensuring a smooth transition for current projects.
+
+# More resources
+
+- [Read the documentation to get started](/docs/apis/realtime#channel-helpers)
+- [Learn about Realtime API events](/docs/advanced/platform/events)