Vapi
Voice AI agents API.
Usage-basedVerified FreeAPI
100 · Fresh2026-07-09
Live preview of https://vapi.ai
TL;DR
Vapi is a developer platform to build low-latency voice agents over the phone; free credits.
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FAQ
Is Vapi free?
Vapi has a machine-verified free tier (no card required).
Does Vapi have an API?
Yes, Vapi offers an API.
What are alternatives to Vapi?
Alternatives include Musicfy, WellSaid Labs, Murf AI.