# Outbound bots

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Support channels of outreach are **WhatsApp & SMS**.
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Outbound bots are used to run broadcasts to your contacts.

It's most commonly used for sending promotional messages, transactional messages, follow-ups, etc.

### One-off campaign

Runs the broadcast only once for the uploaded contacts.

[Learn more](https://help.wotnot.io/build/outbound-bots/building-one-off-campaign)

### Ongoing campaign

Runs the broadcast everytime a contact is enrolled.

[Learn more](https://help.wotnot.io/build/outbound-bots/building-ongoing-campaign)