Vapi为大规模构建、测试和部署智能语音代理提供的开发平台。

4.3 (4)

审阅者 Daniel Nikulshyn·更新 2026年5月

Developer Tools Voice AI API Conversational AI Telephony SDK Real-Time

概览

Vapi 是面向开发者的平台，用于创建能够进行自然实时对话的 AI 语音代理。它抽象了将语音转文本、大语言模型和文本转语音串联起来的复杂性，使团队能够专注于代理逻辑和用户体验，而不必处理基础设施。通过其 API 和 SDK，开发者可以配置语音模型、定义对话流程、连接外部工具和 webhook，并通过电话号码或网络渠道路由通话。内置的测试、日志记录和 analytics 功能帮助在推向生产环境前迭代智能体行为。 Vapi 常用于驱动客服热线、预约排程、潜在客户资质筛选等工作流，在这些场景中，对话式语音取代了传统的 IVR 或呼叫中心环节。

主要功能

实时语音代理编排
电话号码配置和 SIP 支持
函数调用和 webhook 集成
可配置的语音识别、语言模型和文本到语音管道
呼叫录制、语音转文本和分析
对主流编程语言的 SDK 实现

价格

模型: Freemium
分类: 聊天機器人
评分: 4.3 / 5 (4)

使用场景

自动化客户支持热线

将 AI 语音代理部署到处理入站支持呼叫，以回答常见问题并将复杂问题转发给人工代理使用电话或 SIP 集成。

预约排程代理

构建声代理以书记、确认和重排预约通过连接到日历和后端系统的 webhooks 和函数调用。

出局资格资格检查

使用语音代理来呼叫销售线索、询问资格问题并将温情销售线索转给销售代表，并提供录制呼叫和语音转文本的回顾。

语音触发应用经历

在 web 或移动应用中嵌入实时对话语音使用 Vapi SDK，将用户的用户与产品通过自然口头对话交互。

优点 & 缺点

优点

通过 API 快速 prototyp 语音代理
灵活选择 LLM、STT 和 TTS 供应商
支持电话、web 和 SIP 集成
内置呼叫日志和调试工具

缺点

需要开发技能来部署
按使用量收费可以快速扩张
声音品质依赖于选用的第三方模型
非技术用户有限 no-code 选项

评测

4.3

4 个评分的平均值。

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Carlos Mendoza

Mar 20, 2026

Compared a few options

Evaluated this against two competitors. Where it wins: configurable STT, LLM, and TTS pipelines and quick to prototype voice agents via API. On balance the feature set — especially phone number provisioning and SIP support — justifies the 5 stars for our use case.

Olga Ivanova

Jan 1, 2026

Does the job

Pretty happy overall. Function calling and webhook integrations just works and flexible choice of LLM, STT, and TTS providers. Voice quality depends on chosen third-party models can be annoying, but no dealbreakers — I'd recommend it to a friend without hesitating.

Elena Rossi

Aug 17, 2025

Compared a few options

Evaluated this against two competitors. Where it wins: configurable STT, LLM, and TTS pipelines and flexible choice of LLM, STT, and TTS providers. Where it lags: voice quality depends on chosen third-party models. On balance the feature set — especially real-time voice agent orchestration — justifies the 4 stars for our use case.

Tomáš Novák

May 28, 2025

Years in this space

I've evaluated a lot of these over the years. What stands out here is real-time voice agent orchestration — handled better than most — and built-in call logging and debugging tools. Requires developer skills to implement is my one real gripe. Worth the time if this is your use case.

问答

What are the limitations of Vapi?

Limitations include requiring developer skills to implement, usage-based pricing that can scale quickly, and limited no-code options for non-technical users.

Asked by Femi Adebayo · Apr 27, 2026

What are the pros of using Vapi?

Pros include quick prototyping via API, flexible choice of LLM, STT, and TTS providers, and built-in call logging and debugging tools.

Asked by Olamide Fashola · Mar 30, 2026

What are the key features of Vapi?

Key features include real-time voice agent orchestration, phone number provisioning, configurable STT, LLM, and TTS pipelines, and built-in testing and analytics.

Asked by Marisol Pena · Feb 3, 2026

What is Vapi used for?

Vapi is used to power customer support lines, appointment scheduling, lead qualification, and other workflows where conversational voice replaces traditional IVR or call center steps.

Asked by Salome Beridze · Jan 7, 2026