Developer / enterprise platform · Developer voice AI platform

Vapi

Last checked against official pages: 2026-10-21

Warm transfer

yes

Assistant-based warm transfer: caller on hold while a transfer assistant briefs the destination; blind transfer is the default mode. Requires configuration.

Booking

yes

Build-it-yourself: Google Calendar and GoHighLevel tools can check availability and book during a call.

Free trial

$5 free credits

Partner / affiliate program

https://vapi.ai/partnerships

Pricing as published

Usage-based: provider pass-through + Vapi hosting (pre-paid $0.05/min hosting on no-success-package tier; $5 free credits). Success packages Core/Pro/Premier; Pro from 10% of hosting fee with $999/mo minimum.

Best-fit verticals

developers, product teams building custom voice agents

Key integrations

telephony / SIP, LLM/TTS providers, webhooks

Notes

Infrastructure layer, not turnkey SMB receptionist.

Sources

Official vendor pages behind this listing. Blank fields mean we could not confirm them there.

Pricing, Free trial: https://vapi.ai/pricing
Warm transfer: https://docs.vapi.ai/calls/assistant-based-warm-transfer
Booking: https://docs.vapi.ai/tools/google-calendar
Partner program: https://vapi.ai/partnerships