
About Twilio
Twilio is a cloud platform of communication APIs for messaging, voice, email and identity checks. Developers use it to add customer conversations to apps and services.
What it does
Twilio offers building blocks for sending and receiving messages across SMS, RCS, WhatsApp and other channels. Voice APIs let apps place and handle calls. The platform also includes email through SendGrid, user verification tools and ways to bring customer data together from different sources.
Key features
- Send and receive SMS, RCS and WhatsApp messages
- Make and handle voice calls through APIs
- Send email through the SendGrid API
- Verify users and look up identity details
- Connect customer data from many sources
Who it's for
Twilio suits developers building customer messaging, verification flows or call features. Support and sales teams that handle many conversations also use it, and the platform is used by both fast-growing startups and large enterprises.
Pricing and good to know
A free trial is offered with no credit card required, and the site lists flexible pricing based on usage. Official server-side SDKs help you send a first message, call or email. Costs depend on the channel and volume you use, so review the rates for each product before you launch.
Highlights
- Send and receive SMS, RCS and WhatsApp messages
- Make and handle voice calls through APIs
- Send email through the SendGrid API
- Verify users and look up identity details
- Connect customer data from many sources












