# WhatsApp numbers

## Two sending paths.  Different responsibilities.

Inspect the number type before choosing the message it can send.

WhatsApp numbers Harbor
 Bird-managed Managed templates   Your business number Connected WhatsApp account

Sending identity

### Start with the managed catalog

Bird selects a managed number for supported catalog templates.

Templates
bird_ catalog

Sender shown
Bird-managed identity

from field
Omitted

Free-form content
Not supported

Use the managed template path

A managed-template send rejects an explicit from value.

[Explore WhatsApp numbers](/docs/guides/whatsapp/phone-number-setup)
Interactive illustration with fictional records. No account operation is performed.

[Explore WhatsApp numbers →](/docs/guides/whatsapp/phone-number-setup)

[Templates Create, approve and send personalized WhatsApp templates. →](/whatsapp-api/features/templates)

[Conversations Keep customer replies connected to their task. →](/whatsapp-api/features/two-way)

[Calling Move an eligible WhatsApp conversation into a call. →](/whatsapp-api/features/calling)

[Explore WhatsApp →](/whatsapp-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 WhatsApp. Build across channels with Bird.

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

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



## Related resources

- [Connecting WhatsApp to Bird: from buying a number to a live channel](/learn/whatsapp/connecting-whatsapp-to-bird) (video)
- [Sending WhatsApp messages](/docs/guides/whatsapp/sending-whatsapp) (docs)
- [What is the 24-hour customer service window on WhatsApp?](/explained/whatsapp/what-is-the-24-hour-customer-service-window) (answer)
- [WhatsApp message builder](/tools/whatsapp-message-builder) (tool)

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