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Vapi

Vapi is a developer platform for building voice AI agents that make and receive phone calls and connect to APIs.

Vapi

Vapi lets developers create voice agents using speech-to-text, language models, and text-to-speech. Agents can handle phone calls, web voice conversations, tools, APIs, structured outputs, and transfers between specialized assistants.

It is used for customer support, sales, appointment scheduling, medical triage, and ecommerce workflows. Usage is billed by the minute, with model, voice, transcriber, and telephony costs generally charged separately or passed through. Optional packages add support, capacity, retention, and service-level commitments.

Features

  • Build inbound and outbound phone voice agents
  • Embed real-time voice conversations in web applications
  • Connect assistants to APIs, databases, and business systems
  • Combine speech-to-text, language models, and text-to-speech providers
  • Orchestrate multiple assistants with context-preserving transfers
  • Create and run simulations against assistants or squads
  • Use API keys, REST APIs, server SDKs, and client SDKs
  • Build and manage agents through the Vapi CLI

Use cases

  • Automate inbound customer support calls
  • Qualify sales leads and schedule appointments
  • Handle booking requests and availability checks
  • Route medical triage and scheduling conversations
  • Manage ecommerce order tracking and returns
  • Run outbound calling campaigns

Pros

    Cons

      Pricing

      Starting price
      $29 / month
      Pricing checked
      2026-09-19

      No Success Package

      $0 to start

      • Pre-paid, $0.05/min Vapi hosting
      • $5 free credits to get you started
      • 2 organizations
      • 1 included Vapi phone number
      • 4 concurrent calls
      • 14 days raw data retention
      • Full platform access

      Core

      $29 / month

      • Pre-paid, auto-renew
      • 2 organizations
      • 5 included Vapi phone numbers
      • 10 concurrent calls
      • 30 days raw data retention
      • ZDR included
      • 2 business day response SLA

      Pro

      10% of Vapi hosting fee; $999/mo minimum

      • 10 organizations
      • 10 included Vapi phone numbers
      • 30 concurrent calls
      • 180 days raw data retention
      • RBAC + ZDR
      • Dedicated Slack support
      • 99% uptime SLA

      Premier

      Custom

      • Elevated organizations, concurrency, and data retention
      • Custom number of Vapi phone numbers
      • Priority support
      • Named support team
      • 1 hour for P0 response SLA
      • 99.9% uptime SLA
      • Custom RBAC + ZDR + SSO
      Official website