---
title: "Instance broadcast"
description: "Instance broadcast as a MainSDK driver for realtime. Pick it in main.yaml; your calls stay the same."
section: "integrations"
canonical: "https://mainsdk.dev/docs/integrations/broadcast"
updated: "2026-10-28"
---

# Instance broadcast

> Instance broadcast as a MainSDK driver for realtime. Pick it in main.yaml; your calls stay the same.

Canonical: https://mainsdk.dev/docs/integrations/broadcast · Updated: 2026-10-28

Instance broadcast as a MainSDK driver for realtime. Pick it in main.yaml; your calls stay the same.

## Interfaces it serves

### Realtime updates (`realtime`)

- Status: Building for 0.3 · ships as a beta API
- Driver: `broadcast` (Instance broadcast (events.broadcast), default)
- Docs: https://mainsdk.dev/docs/interfaces/realtime.md

```yaml
realtime:
  driver: broadcast
```

Swap to another provider: `local`, `pusher`, `ably`, `supabase-realtime`.