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Integrations

Calendars and booking

Whistle books directly into your own calendar. No scheduling middleman, no extra sub-processor.

Google Workspace Calendar

Live

Direct booking into your team's calendars, with working hours, buffers and per-service routing.

Microsoft 365 / Outlook

Live

Same direct integration for Microsoft practices, authorised on your side with admin consent.

Practice management and CRM

Qualified leads land in the system your team already works in, pushed natively, no automation glue required.

Clio Grow

Live

Every completed lead pushed into your Clio Grow Lead Inbox, with enquiry, priority, answers and source. EU region supported.

HubSpot

Live

Native connector: completed leads created in your HubSpot portal via your own private-app token. EU portals supported.

Pipedrive

Live

Native connector: leads pushed straight into your pipeline with the enquiry summary and priority.

Salesforce

Live

Native connector: qualified enquiries created as Leads in your Salesforce org, connected with your own credentials.

Leap

Coming soon

Native connector on the roadmap. Available today via webhooks and Zapier.

Actionstep

Coming soon

Native connector on the roadmap. Available today via webhooks and Zapier.

Anything else your team runs

Via Zapier / Make

Any CRM that Zapier or Make can reach, fed by Whistle's signed webhooks.

Automation and webhooks

Every completed lead and booking fires a signed event your systems can act on.

Zapier

Live

Trigger zaps from lead.completed, lead.qualified and booking.created events.

Make (Integromat)

Live

The same events, in Make scenarios.

Custom webhooks

Live

HMAC-SHA256 signed payloads to your own endpoint, with retries and an audit trail.

E-signature and engagement letters

Send the engagement or intake paperwork the moment a lead qualifies.

Docusign

Via Zapier / Make

Triggered from the lead.qualified event via Zapier or Make, mapped to your template.

Dropbox Sign

Via Zapier / Make

Same recipe, different provider. Or use the e-sign built into your practice management system.

Payments

Collect a deposit or retainer at intake, with per-service pricing. Card details never touch Whistle, so there is nothing new to secure.

Stripe Payment Links

Live

Your own hosted payment page shown in the widget after booking or qualification, with a different link or price per appointment type.

LawPay and hosted payment pages

Live

Any hosted payment page works the same way, keeping client-account rules entirely on your side.

Messaging and phone

The same AI intake, on the channels your clients actually use.

SMS confirmations and reminders

Add-on

Booking confirmations and reminders by text, via Bird (EU). Consent-gated.

Two-way SMS intake

Add-on

Visitors text your number and the AI qualifies them in the thread, then arranges a callback.

WhatsApp intake

Add-on

Visitors message your WhatsApp number and the same AI qualifies them in the conversation.

Missed-call-to-text

Add-on

Unanswered calls get an instant AI text, so a missed call becomes a qualified lead instead of a lost one.

Aura voice agent

Early access

Your calls answered by AI, on the same GDPR-first engine. Join the pilot.

Email

Built in, not bolted on.

Lead alerts and digests

Live

Instant lead alerts, weekly digests and follow-up emails from your Whistle deployment, sent via Google Workspace.

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