Build once. Message everywhere.
Launch fast, scale globally, and deliver reliably. Twilio SMS combines developer-first APIs with built-in compliance and carrier routing to get the right message to the right person at the right moment (every time).
From first text to global scale with Twilio SMS APIs
Programmable Messaging API
Send transactional MMS, SMS, and
WhatsApp messages with a single API.
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Reach 180+ countries reliably with localized senders, compliance tools, and global guidelines.
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Manage compliance, deliverability, replies, and more with Twilio’s programmable software.
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Monitor and troubleshoot message delivery and engagement with real-time analytics.
Conversations API
Drive two-way engagement with cross-channel messaging for MMS and more using a single API.
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Power commerce and support on SMS, MMS, chat, Facebook Messenger, and WhatsApp.
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Manage participants, archive messages, and orchestrate workflows without additional code.
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Get to market faster with quick-starts, sample apps, and SDKs.
Lasting customer relationships start with SMS
Notifications
Keep customers in the know. Send alerts, reminders, and updates that land on time, every time—appointments, deliveries, and everything in between.
Verifications
Let good users in, keep the bad actors out. Deliver secure one-time passwords instantly for sign-ups, logins, and transactions.
Promotions
Turn messages into momentum. Send marketing campaigns and offers at scale to drive leads, boost sales, and build loyalty.
Conversational care and commerce
Talk with customers (not at them). Support the full customer journey with two-way SMS, WhatsApp, and more from a single API.
The ROI of Twilio Messaging
The Total Economic Impact™ of Twilio Messaging
A commissioned study conducted by Forrester Consulting found Twilio Messaging provided:
- 132% ROI for customers
- 3% increase in messages delivered
- 15% productivity improvement in development teams
Sending 2FA or OTP? Increase conversion rates with Verify
Verify is a purpose-built authentication solution for 2FA, OTP, Passkeys, Silent Network Authentication and more.
Get more users verified with Verify
Verify is a fully managed, multichannel authentication solution that’s optimized for redundancy, low-latency, and global scale.
- Robust security measures built in
- Meet global compliance and regulatory standards
- 100% guaranteed protection from SMS pumping fraud with Twilio Verify Fraud Guard*
- Deliver via SMS or WhatsApp, voice, TOTP, Push, Passkeys, and more
Intuit was using SMS to deliver one-time passcodes until they tried Twilio Verify. Now, they have a verification solution with high deliverability, global compliance, built-in redundancy, and more—and it was implemented in record time.
* Terms and conditions apply
Check out the docs
Kickstart your build for SMS text messaging using our quick-start guides, code snippets, SDKs, and more in our resource library.
Create a message
Scale your SMS. Pay as you go.
Twilio Messaging gives you two APIs on one trusted platform. Our pay-as-you-go pricing grows with you, so you can scale up or down as needed.
SMS messaging FAQs
The Twilio Programmable Messaging API lets you send and receive text and media messages via SMS and MMS programmatically across 180+ countries. It connects directly to Twilio's Super Network to handle carrier complexity, global compliance, and routing, letting you build alerts, verification, and promotional workflows with just a few lines of code.
Twilio supports local 10-digit long codes (A2P 10DLC), toll-free numbers, short codes, and alphanumeric sender IDs. You can provision local numbers for regional trust, toll-free numbers for scalable transactional alerts, or dedicated short codes for high-volume mass marketing campaigns.
Twilio provides built-in compliance tools in the Console and via API to help with A2P 10DLC brand registration, campaign approvals, toll-free verification, and opt-out management.
Twilio uses clear, pay-as-you-go pricing per message segment sent or received, with volume discounts available. US SMS rates start at $0.0083 per segment plus standard carrier passthrough fees with no long-term contracts or credit cards required to start building with a free trial.
One-way SMS through the Programmable Messaging API is ideal for sending transactional messages like alerts, notifications, and authentication codes. Two-way messaging through the Conversations API maintains threaded conversations, preserves message history, and supports multi-channel interactions for customer support and engagement.
Yes. Twilio offers enterprise-grade infrastructure backed by a 99.95%+ monthly API uptime SLA with 99.99% available through Twilio Editions. The Super Network monitors 900 million data signals daily across 1,000+ unique network monitors and 4,800+ carrier connections — detecting 99% of outages and latency before customers do.
Our Traffic Optimization Engine maximizes deliverability and speed for enterprises and platforms that are sending millions to billions of messages by dynamically allocating Messages Per Second capacity across sender types, channels, and destination countries. Features like Messaging Services provide smart sender selection, area code geomatching, automatic fallback routing, and real-time deliverability analytics to keep high-throughput programs running smoothly.
Introducing Twilio Messaging Engagement Suite
Get simpler development, quicker time to market, and higher deliverability rates1. See how Message Scheduling, Link Shortening with Click Tracking, advanced data, and real-time dashboards can benefit your business.
1 In an evaluation of more than 63M messages sent through Twilio with shortened hyperlinks, messages with shortened hyperlinks by 3rd party Link Shorteners were filtered at 1.96% or 28x the rate of Twilio which was filtered at a rate of 0.07%