--- title: "Campaigns" slug: "campaigns" type: "index" canonical: "docs.voiso.com/campaigns" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.voiso.com/llms.txt > Use this file to discover all available pages before exploring further. # Campaigns 4 articles ## [Overview](https://docs.voiso.com/apidocs/campaigns-overview.md) Published on 2024-10-25 The Campaigns API enables you to manage your Voiso Dialer campaigns and integrate Voiso dialer configuration and attributes with external applications using REST API. What you can achieve with... ## [List campaigns](https://docs.voiso.com/apidocs/docs-list-campaigns.md) Updated on 2024-10-25 | Published on 2024-10-25 The List Campaigns API is part of Voiso's Campaigns APIs. Use it to obtain a list of all campaign names, IDs, and other metadata. The API description is here . Prerequisites You must have at least one... ## [Add contacts](https://docs.voiso.com/apidocs/docs-add-contacts.md) Updated on 2024-10-25 | Published on 2024-10-25 The Add Contacts API is part of Voiso's Campaigns APIs. Use it to add new contacts/leads to an existing live Dialer campaign . The API endpoint description is here . Prerequisites The Dialer campaign... ## [Update contacts](https://docs.voiso.com/apidocs/docs-update-contacts.md) Updated on 2024-10-25 | Published on 2024-10-25 Use the Update Contacts API to update existing contacts/leads in a live Dialer campaign . Contacts are identified by their phone number. You can only update the contact name, source, URL, active...