Vapi
Developer platform for voice AI agents.
SMB, 2-19 reps · Mid-market, 20-200 reps · Enterprise, 200+ repsInbound
Sponsors never affect verdicts. A sponsored card is labelled, and it does not change the proof or the verdict.
Best for
Not listed.
Not for
Not listed.
Pricing
You can start with $5 in free credits, then pay for minutes. The no-success-package plan lists prepaid Vapi hosting at $0.05 per minute. The Pro success package lists a $999 per month minimum. Tier: Paid.
Integrations
Not listed.
Last verified
Oct 15, 2026
Source
vapi.ai/pricingCRM
Not listed.
Rollout effort
Not listed.
Security
Not listed.
Where it helps
- Business teams can edit flows (SVG)
The tradeoff
- Needs engineering
Proof
- Vendor-claimedHomer Kay, VP Data Science, Spring Venture Group
Transfer-to-close +25%, revenue +20%, cost -85%; four engineers built it in five days
- Vendor-claimedKavak
Conversion rates +30%, +200% revenue growth
- Vendor-claimedVoice AI pre-qualification before transfer
Transfer-to-close +25%; cost -85%
Alternatives
These share a need in the guide.
- Qualified (Piper AI SDR)
Best-proven AI SDR for inbound.
- Default
Chili Piper alternative.
- Retell AI
Good for instant inbound callbacks.
Stacks that use it
- Homer Kay, Spring Venture Group
VP of Data Science
Further reading: vapi.ai/customers/spring-venture-group
Page URL for citation: https://revstackai.co/tools/vapi