All fields are required

Voice API | SignalWire

Increase Customer Engagement with Programmable Voice

SignalWire’s Voice API transforms the way businesses interact with their customers by providing advanced features like dynamic call routing, real-time analytics, and AI-driven voice interactions. Integrate these capabilities seamlessly into your applications to boost engagement, automate responses, and personalize communication across multiple platforms.

SignalWire is Trusted by Industry Leaders

Deutsche Telekom

Select Quote

Sprinklr

Why SignalWire?

Build Your Own
AI Voice Agent

SignalWire’s full-stack Voice Agent SDK replaces legacy IVRs and CPaaS glue with a single, real-time AI runtime. With accurate language recognition, live voice control, and deep API integration, developers can design, test, and deploy advanced voice agents—without managing telephony or stitching together services.

Infinite Customization

Infinite Customization

Extend voice capabilities with features like multi-language support, advanced IVR, click-to-call, and seamless integration, transforming how you connect with customers around the world.

Learn About Call Fabric

Scalability and Speed

Scalability and Speed

Enable instant, seamless interactions with our low-latency Voice API. Designed to handle high volumes efficiently, our system automatically scales as you grow.

Rapid Development

Rapid Development

Built for easy integration, our modular API stack allows for quick addition of voice functionalities to your applications, backed by comprehensive developer support and robust documentation.

View Developer Docs

Explore All Use Cases

AI Agents

Build intelligent voice assistants

Call Routing

Customize your IVR systems

Contact Center

Build your own call center

Speech to Text

Speech to Text

Real-time call transcription

Masked Numbers

Masked Numbers

Secure user data

Call Recording

Call Recording

Training and compliance

Auto Dialer

Auto Dialer

Increase lead conversion

International

International

230+ international area codes

Surveys

Real-time transcription

Transcribe live calls and record them

Receptionist

Real-time voice translation

Translate phone calls in real time

Click-to-Call

Click-to-Call

Embed instant call buttons

feature

Get Started In Minutes

Learn how to get started in minutes with SignalWire’s real-time Voice API.

START IN MINUTES

Product Features

Live Transcription

Live transcription and translation increase clarity and accessibility.

Human-Like AI

Deliver natural and engaging voice experiences across multiple languages and dialects.

Smart Call Routing

Optimize call flows with intelligent routing, reducing wait times and improving service efficiency.

Secure and Compliant

Meets rigorous compliance and security standards, including GDPR, HIPAA, and SOC 2.

Advanced SIP Capabilities

Enhance call control, compatibility, and flexibility across your communication infrastructure.

Click-to-Call

Embed WebRTC-powered call buttons for instant voice, video, or AI connections. No coding—just copy, paste, and connect directly from your site.

Resources

Build an IVR

Use our intuitive visual builder to build an IVR in minutes with no code using Call Flow Builder.

Temperature Bot

Build a temperature and humidity bot.

Automate Reminders

Send automated voice reminders from any application, such as your CRM or scheduling tool.

Transcribe Calls

Use live_translate in tandem with live_transcribe to to transcribe in one language and translate to another in real time.

Sentiment Analysis

Guide on how to identify the sentiment or emotion of a call.

Create SIP Credentials

Create a SIP credential manually or using SignalWire’s API.

With affordable, pay-as-you-go pricing, you can quickly scale up as your needs grow.

Connect with SignalWire Experts

Get in touch with our team of experts to learn more about our industry-leading solutions.