# Contacts and Audiences for Email Campaigns

## The same contact.  A deliberate next step.

Audience membership and permission to send answer different questions.

Harbor members Harbor
 Maya Chen Member · Marketing allowed   Alex Lee Member · Marketing opted out

Contact membership

### Included in the next review

Maya belongs to Harbor members and has an email address available for the campaign.

Email
maya@example.com

Audience
Harbor members

Membership
Present

Marketing preference
Allowed

Eligible for send-time checks

Membership identifies the cohort. Preferences and suppressions are checked when sending begins.

[Explore audiences](/docs/guides/email/audiences)
Interactive illustration with fictional records. No account operation is performed.

[Explore Email audiences →](/docs/guides/email/audiences)

[Broadcasts Personalize, schedule and track an email campaign. →](/email-api/features/broadcasts)

[Templates Create reusable emails that feel personal to each recipient. →](/email-api/features/templates)

[Analytics See where email succeeds and where to investigate. →](/email-api/features/analytics)

[Explore Email →](/email-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 Email. Build across channels with Bird.

[Get Started](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Femail) · [Contact Sales](/demo?product=email)

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



## Related resources

- [Manage your customers: contacts & audiences](/learn/basics/manage-your-customers-contacts-and-audiences) (video)
- [Build your first integration](/learn/paths/integration) (course)

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