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View detailsTwilio
Cloud communications platform for building SMS, WhatsApp, and voice chatbots.
Twilio is a cloud communications platform for building SMS, WhatsApp, and voice chatbots. It provides APIs for messaging, voice, video, and verification, so developers can build exactly the chatbot or contact flow they need and connect it to any backend system.
Key Features
- APIs for SMS, WhatsApp, voice, and video
- Studio visual flow builder for simple bots
- Verify for OTP and two-factor authentication
- Global phone numbers and messaging coverage
- Pay-as-you-go pricing with no monthly fee
- 400+ integrations and extensive documentation
Pricing
| Plan | Price | Details |
|---|---|---|
| SMS | $0.0083 per segment | US outbound and inbound SMS per segment. MMS $0.022 per message. |
| $0.005 per message | Per inbound or outbound message, plus Meta's per-template fees. | |
| Voice | $0.014 per minute | Outbound local calls $0.014 per minute; inbound $0.0085 per minute. |
| Verify | $0.05 per check | One-time passcode checks over SMS, WhatsApp, voice, or email. |
Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: No free plan — paid plans only.
Best for: developers who want to build SMS, WhatsApp, and voice chatbots with full API control.
Popular with: Developers, Business Owners
Popular with: Developers, Business Owners
How it works
For chatbots, Twilio offers Programmable Messaging for SMS, MMS, and WhatsApp, Programmable Voice for phone agents, and Studio, a visual flow builder for simple bots. There is no monthly platform fee: you pay only for the messages, minutes, and verifications you use.
Pricing is pay-as-you-go, with US SMS at $0.0083 per segment, WhatsApp at $0.005 per message plus Meta's fees, and outbound voice at $0.014 per minute. Twilio suits development teams that want full control and are comfortable building with APIs.
Pros and Cons
✓ Pros
- Most complete communications API platform
- No monthly fee; pay only for what you use
- Excellent documentation and developer tools
- Global coverage across many channels
✗ Cons
- No free tier for production traffic
- You must build the chatbot logic yourself
- Meta message fees add to the per-message cost
Frequently Asked Questions
Is Twilio free?
No — Twilio has no free plan. Pay as you go; SMS $0.0083/segment (US), WhatsApp $0.005/message
What is Twilio best for?
developers who want to build SMS, WhatsApp, and voice chatbots with full API control.
What kind of tool is Twilio?
Twilio is a AI Chatbots tool on VerlumoAI.
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View detailsLast reviewed: November 2026