Vapi
Vapi is a developer-first platform for building, deploying, and operating voice AI agents that can make and receive phone and web calls. It handles the underlying infrastructure and orchestration so engineering teams can focus on agent behavior and integrations. The platform exposes APIs, SDKs, a CLI, and a web console for configuring channels, sessions, and workflows.
- Voice agent orchestration — Configure agents that handle phone calls and web calls, manage sessions, and route interactions across channels.
- Streaming and session management — Support for streaming and non-streaming flows and session lifecycle controls to maintain conversational state.
- Channels: phone, web, SMS, SIP — Enable phone calls, web calls, SMS/chat and custom SIP integration for telephony connectivity.
- Workflows and webhooks — Build automated call/chat flows and integrate external systems via webhooks and workflow definitions.
- Developer tools (API, SDKs, CLI) — Use the API reference, MCPSDKs, and CLI quickstart to programmatically create agents, manage sessions, and deploy at scale.
- Security & compliance options — Enterprise features such as SSO, RBAC, SOC2 support and a HIPAA Zero Data Retention add-on.
Get started by reviewing the documentation, installing the CLI or SDK for your environment, provisioning channels (phone number or SIP), and creating a workflow that attaches to a voice agent. Use webhooks or OpenAI-compatible integrations where needed, and upgrade to enterprise plans for SLA, dedicated support, and compliance add-ons.
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Pricing and Plans
Pay As You Go
Usage-based plan with per-minute/per-message Vapi hosting, plus STT/LLM/TTS billed at cost. Includes 10 concurrent lines; additional concurrency is billed per line per month.
- Start with $10 free credit
- Call minutes: usage based
- Call concurrency: 10 included + $10 / line / mo
- Vapi hosting (calls): $0.05 / min
- Vapi hosting (SMS/Chat): $0.005 / msg
- Model provider cost (STT, LLM, TTS) for calls: at cost
- Model provider cost (STT, LLM, TTS) for SMS/Chat: at cost
- Channels: Calls + SMS/Chat
- Data retention: call history 14 days, chat history 30 days
- Support: Community Discord, Email
- HIPAA Zero Data Retention available as add-on ($1000/mo)
Enterprise
Custom enterprise plan (annual contract) with volume-based pricing, included model provider costs, enterprise security/compliance, custom retention, and SLA-backed support.
- Annual contract (contact sales)
- Call minutes: custom
- Call concurrency: custom
- Vapi hosting (calls, SMS/Chat): volume based
- Model provider cost (STT, LLM, TTS) for calls: included
- Model provider cost (STT, LLM, TTS) for SMS/Chat: included
- Channels: Calls + SMS/Chat + Custom SIP
- Data retention: custom
- Security & compliance: SSO, RBAC, SOC2
- HIPAA Zero Data Retention included
- Infra SLA: Enterprise Grade, 99.99%
- Support SLA: Custom Support SLA
- Named Support Engineer, Account Manager, Priority Support
- Support: Private Slack, Email
HIPAA Zero Data Retention
Pay As You Go add-on that enforces zero data retention for HIPAA workloads (included with Enterprise).
Part of vapi- Zero data retention option for HIPAA compliance