A module for using the Twilio REST API and generating valid TwiML. Click here to read the full documentation.

Code Quality Rank: L5
Monthly Downloads: 1,449,847
Programming language: Ruby
License: MIT License
Tags: Third-party APIs    
Latest version: v5.73.4

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Tests Gem Version Learn with TwilioQuest


The documentation for the Twilio API can be found here.

The Ruby library documentation can be found here and individual releases here.


twilio-ruby uses a modified version of Semantic Versioning for all changes. [See this document](VERSIONS.md) for details.

Supported Ruby Versions

This library supports the following Ruby implementations:

  • Ruby 2.4
  • Ruby 2.5
  • Ruby 2.6
  • Ruby 2.7
  • Ruby 3.0
  • Ruby 3.1

Migrating from 4.x

Upgrade Guide


To install using Bundler grab the latest stable version:

gem 'twilio-ruby', '~> 5.73.4'

To manually install twilio-ruby via Rubygems simply gem install:

gem install twilio-ruby -v 5.73.4

To build and install the development branch yourself from the latest source:

git clone [email protected]:twilio/twilio-ruby.git
cd twilio-ruby
make install

Getting Started

Setup Work

require 'twilio-ruby'

# put your own credentials here
account_sid = 'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
auth_token = 'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy'

# set up a client to talk to the Twilio REST API
@client = Twilio::REST::Client.new account_sid, auth_token

Use An API Key

require 'twilio-ruby'

# put your own credentials here
account_sid = 'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
api_key_sid = 'zzzzzzzzzzzzzzzzzzzzzz'
api_key_secret = 'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy'

# set up a client to talk to the Twilio REST API using an API Key
@client = Twilio::REST::Client.new api_key_sid, api_key_secret, account_sid

Specify a Region and/or Edge

To take advantage of Twilio's Global Infrastructure, specify the target Region and/or Edge for the client:

# set up a client to talk to the Twilio REST API over a specific region and edge
@client = Twilio::REST::Client.new account_sid, auth_token, nil, 'au1'
@client.edge = 'sydney'

# you may also specify the region and/or edge after client creation
@client = Twilio::REST::Client.new account_sid, auth_token
@client.region = 'au1'
@client.edge = 'sydney'

This will result in the hostname transforming from api.twilio.com to api.sydney.au1.twilio.com.

Enable Debug logging

In order to enable debug logging, pass in a 'logger' instance to the client with the level set to at least 'DEBUG'

@client = Twilio::REST::Client.new account_sid, auth_token
myLogger = Logger.new(STDOUT)
myLogger.level = Logger::DEBUG
@client.logger = myLogger

@client = Twilio::REST::Client.new account_sid, auth_token
myLogger = Logger.new('my_log.log')
myLogger.level = Logger::DEBUG
@client.logger = myLogger

Make a Call

  from: '+14159341234',
  to: '+16105557069',
  url: 'http://example.com'

Send an SMS

  from: '+14159341234',
  to: '+16105557069',
  body: 'Hey there!'

List your SMS Messages

@client.messages.list(limit: 20)

Fetch a single SMS message by Sid

# put the message sid you want to retrieve here:
message_sid = 'SMxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

Customizing your HTTP Client

twilio-ruby uses Faraday to make HTTP requests. You can tell Twilio::REST::Client to use any of the Faraday adapters like so:

@client.http_client.adapter = :typhoeus

To use a custom HTTP client with this helper library, please see the Twilio documentation.

To apply customizations such as middleware, you can use the configure_connection method like so:

@client.http_client.configure_connection do |faraday|
  faraday.use SomeMiddleware

Handling Errors

  messages = @client.messages.list(limit: 20)
rescue Twilio::REST::RestError => e
  puts e.message

For more descriptive exception types, please see the Twilio documentation.

Getting Started With Client Capability Tokens

If you just need to generate a Capability Token for use with Twilio Client, you can do this:

require 'twilio-ruby'

# put your own account credentials here:
account_sid = 'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
auth_token = 'yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy'

# set up
capability = Twilio::JWT::ClientCapability.new account_sid, auth_token

# allow outgoing calls to an application
outgoing_scope = Twilio::JWT::ClientCapability::OutgoingClientScope.new 'AP11111111111111111111111111111111'

# allow incoming calls to 'andrew'
incoming_scope = Twilio::JWT::ClientCapability::IncomingClientScope.new 'andrew'

# generate the token string
@token = capability.to_s

There is a slightly more detailed document in the Capability section of the wiki.

Generating TwiML

To control phone calls, your application needs to output TwiML.

You can construct a TwiML response like this:

require 'twilio-ruby'

response = Twilio::TwiML::VoiceResponse.new do |r|
  r.say(message: 'hello there', voice: 'alice')
  r.dial(caller_id: '+14159992222') do |d|
    d.client 'jenny'

# print the result
puts response.to_s

This will print the following (except for the whitespace):

<?xml version="1.0" encoding="UTF-8"?>
  <Say voice="alice">hello there</Say>
  <Dial callerId="+14159992222">

Docker Image

The Dockerfile present in this repository and its respective twilio/twilio-ruby Docker image are currently used by Twilio for testing purposes only.

Getting help

If you need help installing or using the library, please check the Twilio Support Help Center first, and file a support ticket if you don't find an answer to your question.

If you've instead found a bug in the library or would like new features added, go ahead and open issues or pull requests against this repo!