Technical integration guide for BrandX Booking. Embedding options: popup widget (JavaScript), inline iframe, REST API custom UI, WordPress plugin, full white-label. Webhook events: appointment.created, appointment.updated, appointment.cancelled, appointment.rescheduled, customer.created. Available integrations: Zapier (5,000+ apps), Make/Integromat, Google Calendar, Outlook/Office 365, Zoom, Google Meet, Stripe, Twilio, Salesforce, HubSpot, Mailchimp, Slack.