Subresources

Subresources are specific actions that each Twilio resource can be used for. Twilio resources such as Accounts, Phone Numbers, are objects or entities that represents different aspects of the Twilio API.

Twilio Accounts have the following subresources. Click on a link to learn how to access or modify each resource:

Phone resources

• Search for Phone Numbers
• Purchase Phone Numbers
• Update Phone Number Properties
• Addresses

Usage

• View Usage Data for an Account
• Set Triggers for Usage Thresholds

Accounts

• Accounts
• Subaccounts

Applications

• Applications
• Connect Apps
• Authorized Connect Apps

Make calls with Twilio

Twilio's Voice API enables you to make, retrieve, control and monitor calls. You can make outgoing calls, modify calls in progress, and query related properties about calls using the API. See the Voice API Documentation for guides, REST resources, and troubleshooting tips.

Connect with SIP

Programmable Voice SIP lets you route your voice calls with global reach to any landline phone, mobile phone, browser, mobile app, or any other SIP endpoint. Check out Twilio's SIP Resources for Voice including SIP Domains, IP Access Control Lists, and Credential Lists.

Send messages with Twilio

With Twilio's Messaging API, you can send and receive SMS and MMS messages. You can also query related properties about text messages such as delivery status, associated media, and leverage tools like Messaging Services to manage your messages globally at scale. Check out our Messaging API Documentation for guides, REST resources, and debugging tips.