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Twilio

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description Twilio Overview

Twilio provides an API-based cloud platform enabling developers to integrate voice, SMS, and programmable messaging into their applications. This tool is notable for its scalability and real-time capabilities, facilitating communication workflows across businesses of all sizes. It’s particularly useful for software developers and companies seeking to automate customer interactions or build innovative communication features.

help Twilio FAQ

Which messaging channels does Twilio Programmable Messaging support?

Twilio's Programmable Messaging API supports SMS, MMS, RCS, and WhatsApp for sending and receiving messages. Developers can use one messaging platform for alerts, replies, and marketing workflows. [Twilio](https://www.twilio.com/en-us/messaging/apis/programmable-messaging-api)

How does an application send SMS through Twilio?

Twilio exposes messaging through a REST API over HTTPS, with the main API base URL at api.twilio.com/2010-04-01. A developer sends authenticated requests to the Messages resource from the application server. [Twilio API overview](https://www.twilio.com/docs/messaging/api)

Does Twilio charge a flat monthly fee for SMS?

No. Twilio uses pay-as-you-go pricing based on message type, destination, volume, and phone number costs, with no general minimum commitment. Its current US pricing page displays SMS rates starting at $0.0083 per message, but the final rate depends on the route. [Twilio pricing](https://www.twilio.com/en-us/pricing/current-rates)

Can Twilio add voice calls as well as text messages?

Yes. Twilio provides separate Programmable Voice tools alongside SMS, MMS, RCS, and WhatsApp messaging APIs. This lets an application combine phone calls, text alerts, and verification flows in one communications platform. [Twilio](https://www.twilio.com/en-us/pricing/current-rates)