# Realtime webhooks · Five groups your server can subscribe to

## The last tab closes.  The member leaves.

Keep identity-level presence separate from individual connections.

Realtime presence webhook Harbor
presence-operations

### Maya has two tabs

Both connections belong to the same signed member.

Member
u_maya

Connections
2

Current roster
Maya + Alex

- #### One tab closes

Maya still has a live connection. No member_removed event.
- #### The last tab closes

The member leaves this presence channel.
- #### Deliver the notification

realtime.member_removed identifies the member and channel.Backend receives a change

### Reconcile room activity

Verify the signed delivery and update the application’s observation of this room.

Member departure observed

Can Realtime webhooks be replayed later?

Realtime deliveries retry non-2xx responses for up to five minutes. They do not have replay or appear in the endpoint delivery-attempts log; read current channel state after a gap.

[Explore Realtime webhooks](/docs/guides/realtime/webhooks)
Interactive illustration with fictional records. No account operation is performed.

[Explore Realtime webhooks →](/docs/guides/realtime/webhooks)

[Presence Show the members participating in a live experience. →](/realtime-api/features/presence)

[Cache channels Give a new subscriber the latest published state. →](/docs/guides/realtime/cache-channels)

[Client events Share typing and other transient events between authorized clients. →](/docs/guides/realtime/client-events)

[Explore Realtime →](/realtime-api)

## Scale without  losing control.

Organize teams in workspaces, control API access, and trace changes through audit logs.

Harbor Organization
Workspaces Production Sandbox

### Delivery agent

API key · Customer operations team
Active
Permissions Access
Email Read & write
SMS Read & write
WhatsApp Read Read & write
AL Alex Lee Admin  Permissions updated

### Audit log

Production
 API key updated Alex Lee · 09:42:18 UTC

Workspace
Production

Resource
Delivery agent

WhatsApp
Read Read & write

Succeeded

 [Workspaces](/docs/guides/workspaces)[Team roles](/docs/guides/users-teams-roles)[API authentication](/docs/guides/authentication)
[Explore Enterprise](/enterprise)

## Start with Realtime. Build across channels with Bird.

[Get started](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Frealtime) · [Contact Sales](/demo?product=realtime)

[Email](/email-api) · [SMS](/sms-api) · [WhatsApp](/whatsapp-api) · [Apple Messages](/apple-messages-api) · [Voice](/voice-api)



## Related resources

- [Send your first realtime event](/docs/get-started/send-your-first-realtime-event) (docs)
- [Build your first integration](/learn/paths/integration) (course)

[Get an implementation brief](/learn/workspace?topic=realtime)