Vapi — Developer platform, based in United States. Plans start at $29/mo. A free trial is available.
Visit website ↗| Plan | Entry price | Included | Notes |
|---|---|---|---|
| No Success Package (pay-as-you-go) | 0.05 USD / minute | $5 free credits; 1 phone number; 4 concurrent calls; 14-day data retention | $0.05/min Vapi hosting fee, pre-paid. Provider costs passed through at cost on top: STT (Deepgram ~$0.0095-0.0099/min), LLM (OpenAI ~$0.0077-0.0452/min), TTS (ElevenLabs ~$0.0146-0.0238/min); transport: Vapi telephony/SIP/WebSocket/WebRTC free, Twilio $0.008 in / $0.014 out per min, Vonage $0.00814/min, Telnyx $0.0055/min (charged by provider). Calculator example 1,000 min = ~$82-129/mo. |
| Core | 29 USD / month | 5 phone numbers; 10 concurrent calls; 30-day retention; ZDR | Pre-paid, auto-renew; usage still billed per minute ($0.05/min hosting + providers). |
| Pro | 999 USD / month | 10 phone numbers; 30 concurrent calls; 180-day retention; RBAC; Slack support; 99% uptime SLA | Priced as 10% of Vapi hosting fee with a $999/month minimum. |
| Premier | Contact sales | custom | Contact sales; 99.9% SLA, SSO, dedicated SIP. |
Not stated · Polish confirmed
Language support depends on chosen STT/TTS provider (e.g. Google STT 125+, Azure TTS 140+, ElevenLabs 30+). Polish (pl) explicitly listed for Deepgram Nova 3/Nova 2 transcriber; search snippets also show Polish for Cartesia, PlayHT, LMNT, OpenAI, Speechmatics, Google, ElevenLabs.
Free Vapi numbers are US area codes, inbound only. International (incl. Poland/EU) requires importing numbers from Twilio, Telnyx, Vonage, DIDWW or BYO SIP.
Self-service AI receptionist built in Poland: answers 24/7, books appointments into Google or Outlook calendars, takes orders, sends SMS follow-ups, transfers to staff and gives you a transcript of every call.
AI phone receptionist for growing teams: the same 24/7 answering, booking, SMS and call transfers, plus a live Pulse dashboard and call-quality analytics across assistants and locations.
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https://www.callagentindex.com/en/tools/vapi