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Nixflex connects your voice and SMS agents to the tools your business already uses. Integrations are configured per phone number, so each number can connect its own accounts and credentials - one clinic’s calendar, another shop’s CRM, all under one agent.
Integrations are set per phone number, not per agent. This means one shared agent (for example a dental receptionist) can serve many numbers, each booking into its own calendar or posting to its own CRM.

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How integrations work

Every integration runs in one of two ways, and some support both:

During the call (live actions)

The AI calls the tool mid-conversation and waits for the result - for example checking calendar availability, then booking, while the caller is still on the line.

After the call (webhooks)

When the call ends, Nixflex sends the call summary, booking, or extracted data to the destination you choose - a CRM, a Slack channel, or your own webhook.

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Available integrations

Cal.com

Check availability and book, reschedule, or cancel appointments live during a call.

Google Calendar

Book directly into a connected Google Calendar during the call.

Slack

Post call summaries and alerts to a Slack channel after each call.

GoHighLevel

Send the caller’s contact details and a call summary to your GoHighLevel account.

Zapier & Make

Connect to thousands of apps through Zapier or Make using post-call webhooks.

Twilio

Bring your own Twilio account for phone numbers and carrier connectivity.

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Configuring via API

Every integration can be turned on, checked, or removed for a number through the API, so you can automate setup from your own application. See the API reference for the full per-number integration endpoints.