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Twilio

No-code APIs for SMS, voice, email, and customer engagement

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What is Twilio?

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Twilio provides conversational AI and communication APIs to help you build customer experiences across SMS, RCS, email, and voice. You can create AI-powered engagement and trusted interactions with identity verification, while also scaling calling and messaging globally. Twilio also supports voice features like branded calling and programmable voice tools for building custom call flows.

What does Twilio do for customer engagement?

Twilio helps you build customer experiences using APIs for SMS, RCS, email, and voice, plus conversational AI for smarter engagement. It’s designed to support trusted interactions through identity verification and to unify communications across teams like marketing, sales, customer service, and operations.

Is Twilio no-code friendly, or is it mainly for developers?

Twilio is primarily API-driven for building communications and engagement experiences. It also offers Studio, a visual workflow builder, which lets you create workflows with a more visual approach on Twilio’s serverless architecture.

Which voice capabilities can you build with Twilio?

With Twilio’s programmable voice tools, you can create custom voice applications such as interactive IVR-style call experiences and voice conferences embedded in web and mobile apps. You can also use features like Twilio Branded Calling to display a verified business identity, logos, and call reasons.

How does Twilio handle identity verification and trust?

Twilio includes identity verification, including a turnkey passwordless authentication approach via the Verify API. It’s positioned to help reduce fraud and optimize delivery rates, while also supporting verified identity signals for more trustworthy customer interactions.

Can Twilio route voice and connect phone infrastructure without a full PBX?

Twilio supports connecting VoIP phones and clients to Twilio Programmable Voice using SIP Registration without requiring a PBX. It also offers BYOC trunking to connect an existing PSTN carrier to Twilio, and SIP Interface to add cloud voice capabilities to existing VoIP infrastructure.

What kind of AI does Twilio offer for conversations?

Twilio provides conversational AI for smarter engagement and voice AI that gets smarter every call. You can use these capabilities to enhance customer interactions, including voice experiences and support-style flows.

Last updated
Sep 21, 2026
Date listed
Apr 13, 2026