# Twilio

Tool · [Standard tools and platforms](https://ecosystem.samcarlton.com/tools)

Also called: Twillio, Twilio SMS

A [cloud](https://ecosystem.samcarlton.com/terms/cloud) service [developers](https://ecosystem.samcarlton.com/software-engineer) use to send and receive text messages, phone calls and email from their apps through an [API](https://ecosystem.samcarlton.com/terms/api).

**For example:** A clinic app uses Twilio to text patients a reminder the day before each appointment.

Official site: <https://www.twilio.com>

## Connects to (5)

- [API](https://ecosystem.samcarlton.com/terms/api): Application programming interface.
- [Usage-based pricing](https://ecosystem.samcarlton.com/usage-based-pricing): A way to charge where the bill follows how much the customer uses, instead of a flat fee.
- [Authentication](https://ecosystem.samcarlton.com/authentication): Checking that a person is who they say they are, usually with a login.
- [Multi-factor authentication](https://ecosystem.samcarlton.com/mfa): A sign-in that asks for more than one kind of proof, drawn from something a person knows, something a person has and something a person is.
- [Genesys](https://ecosystem.samcarlton.com/genesys): A software company whose platform runs customer contact centers: phone, chat and email queues, routing and reporting.

Map view: https://ecosystem.samcarlton.com/twilio