Welcome to the Twilio IAM API documentation!

Twilio is a complete toolbox for customer engagement. With Twilio API, you can easily verify new users, send periodic or instant notifications via call or messages, and fulfil other communication-related objectives within your app. Twilio communication APIs are used by top companies to add identity verification and management to their apps, manage communication with their audience through alert and notifications, a dedicated service center powered by the Calls API, and for creating multichannel marketing campaigns.
Twilio API top use cases.
The Twilio API is commonly used to add the following features to your applications:
- Messaging: Send messages to customers across preferred channels like SMS, MMS, and WhatsApp with one API.
- Voice calls: With Twilio, you can quickly make and receive voice calls in your application.
- Engagement center: Flex is a digital engagement center for sales and customer support teams that gives companies control over how they communicate with customers and prospects across all channels, and at every stage of the customer journey.