Alerts and notifications

Inform, engage, and drive customers to take action. Reduce your operational burden and build stronger customer relationships with personalized, multichannel notifications that are reliably delivered through Twilio.

Inform, engage, and drive customers to take action with Twilio alerts and notifications

How to build a notification system

Create the exact solution you need. No limitations. No need for multiple vendors.

Diagram of how to build alerts and notifications messages

What are alerts and notifications?

Deliver important information on the channels your customers prefer.

  • Chat bubble with clock
    Appointment reminders

    Set up time-based appointment reminder emails or text notifications to reduce no-shows.

  • Mobile notification
    Security alerts

    Notify customers with real-time account alerts about large withdrawals or suspicious activity.

  • Package with heart
    Purchase confirmation

    Send receipts and automated order updates such as delivery notifications.

  • Mobile phone with user and heart symbol
    Lead alerts

    Set up text alerts or triggered emails to deliver a notification when a new lead comes in.

  • Chat Bubble
    Product notifications

    Guide customers through your product with messages that are triggered by a specific interaction.

  • Earth with a chat bubble icon
    Mass notifications

    Send bulk messages, like flight notifications or terms of service changes, to alert customers at scale.

Twilio products for alerts and notifications

Here are the communications products we recommend to start building alerts and notifications use cases.


Programmable Messaging API

SendGrid Email API

Voice API

Free trial
No credit card required


SMS, WhatsApp, Push, MMS



Real-time delivery

75 second traffic re-route cycle and +3% in messages delivered*

12% greater email deliverability rate vs. industry avg**

3 redundant regions, 8 low-latency edge locations


157B+ messages sent per year

1.7T+ emails sent per year

34B+ voice calls per year

Easy to build

Send a text with a few lines of code

Integrate in minutes

Make an outbound call in minutes


Insights dashboard

Deliverability Insights, Searchable Email Activity***

Voice Intelligence


Content API to send rich content across channels

HTML Editor with support for Dynamic Content

IVR virtual agents trained on customer data

Phone number selection

A2P 10DLC, short codes, toll-free

A2P 10DLC, short codes, toll-free

Security and trust

Enhanced verification with Trust Hub

Sender Authentication (SPF, DKIM, rDNS)

Verified calling with Trust Hub

Learn more

The Twilio difference

Dependable delivery for alerts and notifications at any scale, anywhere in the world.

Engaging customers globally with no limitations through preferred channels with Twilio

Send your first notifications in minutes

Sign up for a free Twilio account to start building alerts and notifications today. Use our quickstarts, up-to-date docs, the Twilio CLI, and Code Exchange to build a prototype quickly.

//Send a SMS message using Twilio with Python
import os 
from import Client

account_sid = os.environ['TWILIO_ACCOUNT_SID'] 
auth_token = os.environ['TWILIO_AUTH_TOKEN']
client = Client(account_sid, auth_token)

message = client.messages \
    .create( body="Join Earth's mightiest heroes. Like Kevin Bacon.", 

Send your first text notifications

Watch the quickstart to learn how to send your first text notifications with Twilio Programmable Messaging. 


Send your first email notifications

Set up your SendGrid account to start sending transactional emails with our onboarding guide. 


Make your first notification call

Start making outbound calls through the Voice APIs with our docs and quickstarts in 7+ languages. 

Low-code and no-code

Set up your notifications quickly—without a lot of (or any) code. Use Twilio’s visual editor, Studio, to design a custom alerts and notifications solution.

visually manage communication workflows

Professional services

Need more help? Work with Twilio Professional Services to build the notification emails and text alerts you need.

Alerts and notifications webinar

See how nonprofits deliver personalized timely information and how you can build your first SMS notification app.

Step-by-step example

Walk through the process of building a sample “Curbside text notification” app with Twilio Studio.

Build customer relationships with each interaction

Get started on a proof-of-concept that you can scale to production for all your alerts and notifications. There are no subscriptions and you only pay for what you use.

* The Total Economic Impact™ of Twilio Messaging, a commissioned study conducted by Forrester Consulting, April 2023. Results are for a composite organization representative of interviewed customers.

** 2023 Email Deliverability Guide, Twilio SendGrid, 2023.

*** Only available for some Email packages.