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Programmable Chat REST API

The Twilio Conversations API is now Generally Available! We recommend using Conversations to build your chat application to get access to additional channels and even more functionality.

The Programmable Chat REST API allows you to control your Chat applications from the server in much the same way you can from the client, except from a service perspective rather than a 1st person one. You can create channels, send messages, and query the state of your messaging applications using the resources in this REST API.


All URLs in the reference documentation use the following base URL:

All requests to the Programmable Chat REST API are served over HTTPS. Unencrypted HTTP is not supported.


HTTP requests to the REST API are protected with HTTP Basic authentication like other REST APIs provided by Twilio. To learn more about how Twilio handles authentication, please refer to our security documentation. In short, you will use your Twilio account SID as the username and your auth token as the password for HTTP Basic authentication.

curl -G \

You can find your account SID and auth token in the admin console. Alternately, you can also use API keys and secrets to authenticate REST API requests - you can manage API key pairs in the console also.

Twilio Helper Libraries

You can use the Twilio Helper Libraries to interact with the Programmable Chat REST endpoints.

Programmable Chat is available in the Next Gen Release builds of the Twilio Helper Libraries.


Here are the resources you will be interacting with via the REST API:

Resource Description
Binding A push notification subscription for Users within the Service instance
Channel A "chat room" - a container having members, in which messages can be exchanged.
Credential Credentials used by Twilio to integrate with Google Cloud Messaging or Apple Push Notifications Service
Invite Invitations to a Channel
Member Members of a Channel
Message Messages sent to a Channel
Role Define actions users are allowed to take in a Channel or Service scope
Service A service roughly maps to a Chat app. Channels, Users, Credentials, and all the REST (see what I did there?) are scoped to a Service. Can define webhook URLs for events in a Service
User A user with a unique identity within the scope of your Service

Media Messaging

Programmable Chat Multimedia Messaging feature has a REST API available via stand-alone API endpoint. Please refer to the Media Resource documentation for more details.

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