> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 Pro (current TTS) and Pulse (current
> multilingual STT) — or Pulse 2.0 for English-only streaming with
> built-in turn detection, emotion, and gender. Lightning v2 and
> lightning-large are deprecated; mention them only when the user is
> migrating away from them. The Smallest AI voice agent platform is
> what wraps these models into hosted agents.

# Connected Apps

## Docs

- [Cal.com](https://docs.smallest.ai/integrations/connected-apps/cal-com.md): Connect Cal.com to your Smallest AI voice agents with an API key. Check open slots, book, reschedule and cancel meetings, look up a caller's bookings, and pin timezone and duration.
- [Calendly](https://docs.smallest.ai/integrations/connected-apps/calendly.md): Connect Calendly to your Smallest AI voice agents with a personal access token. Check availability, book and cancel events, list a caller's meetings, and pin timezone, location and UTM tags.
- [Exa](https://docs.smallest.ai/integrations/connected-apps/exa.md): Connect Exa to your Smallest AI voice agents with an API key. Search the web or get a cited answer mid-call.
- [Gmail](https://docs.smallest.ai/integrations/connected-apps/gmail.md): Connect Gmail to your Smallest AI voice agents with Google sign-in. Send email, create drafts, search and read messages, and pin the recipient so the agent only ever emails your team.
- [Google Calendar](https://docs.smallest.ai/integrations/connected-apps/google-calendar.md): Connect Google Calendar to your Smallest AI voice agents with Google sign-in. Check free/busy, book meetings with a Meet link, reschedule, cancel and list events, and pin timezone and duration.
- [HubSpot](https://docs.smallest.ai/integrations/connected-apps/hubspot.md): Connect HubSpot CRM to your Smallest AI voice agents with OAuth. Search and create contacts, read companies and deals, update deal stages, and pin lifecycle stage and owner.
- [Salesforce](https://docs.smallest.ai/integrations/connected-apps/salesforce.md): Connect Salesforce to your Smallest AI voice agents with OAuth. Search and create leads, read accounts, update opportunities, and pin lead source, status and owner.
- [Zoho CRM](https://docs.smallest.ai/integrations/connected-apps/zoho-crm.md): Connect Zoho CRM to your Smallest AI voice agents with OAuth. Pick your data center, search and create leads, read contacts and deals, and pin lead source, status and owner.