Twilio
The customer engagement platform trusted by 335,000+ businesses
About Twilio
Twilio is a cloud communications platform that provides APIs for messaging, voice, video, email, and authentication. It enables developers to programmatically send and receive SMS, make phone calls, verify users, and build omnichannel customer engagement workflows using pay-as-you-go pricing.
Pros & Cons
Pros
- Extremely flexible APIs with support for virtually every communication channel
- True pay-as-you-go pricing with no upfront commitments or contracts
- Excellent developer documentation and SDKs for 7+ programming languages
- Massive global infrastructure with reliability at scale
- Highly composable — mix and match only the products you need
Cons
- Costs can escalate quickly at high volume without negotiated enterprise pricing
- Steep learning curve for non-developers due to API-first approach
- Pricing structure is complex with different rates per product, channel, and country
- Customer support can be slow on lower-tier plans
Key Features
SMS & MMS API
Send and receive text messages globally with support for SMS, MMS, and RCS protocols.
Voice API
Make and receive phone calls, build IVR systems, and add voice capabilities to applications.
WhatsApp Business API
Send notifications, alerts, and conversational messages through WhatsApp.
Email API (SendGrid)
Transactional and marketing email delivery with SMTP relay and dedicated IP options.
Video API
Embed programmable video conferencing and real-time communication into applications.
Twilio Verify
User authentication via SMS, voice, email, and push notification one-time passcodes.
Twilio Flex
Fully programmable cloud contact center platform with omnichannel routing.
Segment CDP
Customer data platform that unifies user profiles and enables audience targeting.
Twilio Studio
Visual workflow builder for designing communication flows without code.
Pricing
- Outbound and inbound SMS
- MMS and RCS support
- Global reach to 180+ countries
- Delivery receipts and analytics
- Inbound and outbound calls
- SIP trunking
- IVR and call routing
- Call recording and transcription
- 100 emails per day
- APIs and SMTP relay
- Delivery optimization
- Ticket-based support
- Up to 100,000 emails per month
- APIs and SMTP relay
- Dedicated IP available
- Ticket and chat support
- 5,000 free hours included
- Omnichannel contact center
- Programmable UI
- Real-time reporting
- Unlimited hours per user
- Omnichannel contact center
- Programmable UI
- Real-time reporting
Best For
Two-Factor Authentication
Add SMS, voice, or email verification to login flows and sensitive transactions using Twilio Verify.
Customer Notifications
Send transactional alerts, order updates, appointment reminders, and shipping notifications via SMS or WhatsApp.
Cloud Contact Center
Build a fully customizable omnichannel contact center with Twilio Flex for support and sales teams.
Marketing Campaigns
Run email and SMS marketing campaigns with audience segmentation powered by Segment CDP.
In-App Communication
Embed voice calling, video conferencing, or chat directly into web and mobile applications.
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