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Description:

twilio flutter

Twilio Flutter #
A Dart package for all platforms which helps developers with Twilio API services.
This Dart Package can be integrated into any Flutter application to make use of Twilio API.
Features #

Send SMS programmatically
Get all SMS related to a Twilio account
Get more info on each SMS sent from a Twilio account
Send WhatsApp messages programmatically
Send Scheduled SMS
Cancel Scheduled SMS
Send Scheduled WhatsApp message
Cancel Scheduled WhatsApp Message
Twilio verification supporting multiple channels
Send Messenger Texts

Getting Started #
Check out our comprehensive Example
provided with this plugin.
To use this package :

add the dependency to your pubspec.yaml file.

dependencies:
flutter:
sdk: flutter
twilio_flutter:
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How to use #
Please find the following values from Twilio Console:

Account SID
Twilio Number
Auth Token
Messaging Service SID (Optional, required for features like scheduled messages)
Veridication service SID (Optional, required for Twilio verify feature)

Features and service list #

Service
Feature
Feature info

TwilioFlutter
Send SMS
Send SMS to mobile number using Twilio number

TwilioFlutter
Send WhatsApp message
Send whatsApp message to any number from assigned Twilio number

TwilioFlutter
Get SMS list
Get all SMS from the account

TwilioFlutter
Get SMS details
Get all data related to a single SMS resource

TwilioMessagingService
Send scheduled SMS
Send SMS messages according to a time set, message will be sent from the service pool or send from custom number

TwilioMessagingService
Cancel scheduled SMS
Cancel scheduled SMS message

TwilioMessagingService
Send scheduled whatsapp message
Send WhatsApp message according to a time set, message will be sent from the service pool or send from custom number

TwilioMessagingService
Cancel scheduled whatsapp message
Cancel a scheduled whatsapp message

TwilioMessagingService
Send SMS
Send SMS message using messaging service, message will be sent from the service pool or send from custom number

TwilioMessagingService
Send whatsapp message
Send WhatsApp message, message will be sent from the service pool or send from custom number

TwilioMessenger
Send FB messenger message
Send FB messenger message

TwilioFlutter features #
Create a new TwilioFlutter object and initialize with required values

final TwilioFlutter twilioFlutter = TwilioFlutter(
accountSid: '', // replace with Account SID
authToken: '', // replace with Auth Token
twilioNumber: '' // replace with Twilio Number(With country code)
);
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SMS #
The following are the SMS related features in TwilioFlutter.
Send SMS
twilioFlutter.sendSMS() can be used to send SMS with required message body to any mobile number by providing the number and proper country code.

parameter
type
mandatory
remarks

toNumber
String
Yes
The number to which the message has to sent to, should be a mobile number with country code

messageBody
String
Yes
The body of the SMS message

fromNumber
String
No
A custom fromNumber other than the one configured with TwilioFlutter object.

Use sendSMS with the recipient number and message body using the default twilioNumber.

TwilioResponse response = await twilioFlutter.sendSMS(
toNumber : '',
messageBody : 'hello world');
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Use sendSMS with the recipient number and message body using custom twilioNumber.

TwilioResponse response = await twilioFlutter.sendSMS(
toNumber : '',
messageBody : 'hello world',
fromNumber:''
);
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WhatsApp #
The following are the WhatsApp related features in TwilioFlutter.
Send WhatsApp Message
twilioFlutter.sendWhatsApp() can be used to send WhatsApp message with required message body to any mobile number by providing the number and proper country code.
TwilioResponse response = await twilioFlutter.sendWhatsApp(toNumber : '',// replace with Mobile Number(With country code)
messageBody : 'hello world');
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parameter
type
mandatory
remarks

toNumber
String
Yes
The number to which the message has to sent to, should be a mobile number with country code

messageBody
String
Yes
The body of the message

fromNumber
String
No
A custom fromNumber other than the one configured with TwilioFlutter object. Should be mobile number with country code.

Twilio Verification #
The following are the Twilio verify related features in TwilioFlutter.
Create verification service
Verification service has to be created in order to access all the features. This can be done either through the Twilio console or by using the following by providing a service name:
TwilioResponse response = await twilioFlutter.createVerificationService(serviceName:'service name');
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This method returns TwilioResponse and metadata from TwilioResponse will have the verification service ID in the key: "sid". This sid should be used for the verification.
Send verification code
This method is used to send the verification code to the desired channel.
TwilioResponse response = await twilioFlutter.sendVerificationCode(verificationServiceId:'sid',
recipient: '',
verificationChannel: VerificationChannel.SMS
);
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Currently supported channels are:

SMS
WHATSAPP
CALL

Recipient: can be mobile number, email etc depending on channel.
Verify code
To verify a code use the verify_code() method by passing the code input.
TwilioResponse response = await twilioFlutter.verifyCode(verificationServiceId:'sid',
recipient: '',
code: ''
);
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This method returns TwilioResponse and metadata from TwilioResponse has a
status key, if it is "approved" then the verification is successful.
Common #
The following are the common services provided by TwilioFlutter.
View Messages List
The twilioFlutter.getSmsList() can be used to view all the SMS messages that was sent using the twilio account, an optional pageSize parameter can be passed which defaults to 20.
final TwilioResponse response = await twilioFlutter.getSmsList({String pageSize}); //pageSize defaults to 20
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View Single Message
The twilioFlutter.getSMS() can be used to view the details of a single SMS message resource using the SID of the message. The SID can be found using the twilioFlutter.getSmsList().

final TwilioResponse response = await twilioFlutter.getSMS(String messageSID); //Use message sid from the individual messages.
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Change Twilio Number
The twilioFlutter.changeDefaultTwilioNumber() can be used to update the default Twilio number that was used to initialize the TwilioFlutter object.
twilioFlutter.changeDefaultTwilioNumber(''); // To change the twilio number(With country code)
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TwilioMessagingService features #
Create a new TwilioMessagingService object and initialize with required values

final TwilioMessagingService twilioMessagingService = TwilioMessagingService(
accountSid: '', // replace with Account SID
authToken: '', // replace with Auth Token
messagingServiceSid: '' // replace with messaging service sid from twilio console
);
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SMS #
The following are the SMS related features in TwilioMessagingService.
Send SMS using Messaging service
twilioMessagingService.sendSMS() can be used to send SMS with required message body to any mobile number by providing the number and proper country code. There is two ways to use the function:

Use sendSMS with the recipient number and message body using the default twilioNumber.

TwilioResponse response = await twilioMessagingService.sendSMS(
toNumber : '',// replace with Mobile Number(With country code)
messageBody : 'hello world');
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Use sendSMS with the recipient number and message body using custom fromNumber.

TwilioResponse response = await twilioMessagingService.sendSMS(
toNumber : '',// replace with Mobile Number(With country code)
messageBody : 'hello world',
fromNumber:''// replace with Mobile Number(With country code)
);
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Send Scheduled SMS Message
Scheduled messages can be sent using twilioMessagingService.sendScheduledSms() if the sendAt is at least 15 after the current time.
TwilioResponse response = await twilioMessagingService.sendScheduledSms(
toNumber : '',
messageBody : 'hello world',
sendAt:'2024-02-18T16:18:55Z'
// Datetime has to be in the same format
);
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Cancel Scheduled SMS #
Scheduled SMS can be cancelled using the messageSid with twilioMessagingService.cancelScheduledSms().
TwilioResponse response = await twilioMessagingService.cancelScheduledSms(messageSID:''// replace with message SID);
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WhatsApp #
The following are the WhatsApp related features in TwilioMessagingService.
Send WhatsApp Message
twilioMessagingService.sendWhatsAppMessage() can be used to send WhatsApp message with required message body to any mobile number by providing the number and proper country code.
TwilioResponse response = await twilioMessagingService.sendWhatsAppMessage(toNumber : '',// replace with Mobile Number(With country code)
messageBody : 'hello world');
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Send Scheduled WhatsApp Message
Scheduled messages can be sent using twilioMessagingService.sendScheduledWhatsAppMessage() if the sendAt is at least 15 after the current time.
TwilioResponse response = await twilioMessagingService.sendScheduledWhatsAppMessage(
toNumber : '',
messageBody : 'hello world',
sendAt:'2024-02-18T16:18:55Z'
// Datetime has to be in the same format
);
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Cancel Scheduled WhatsApp Message
Scheduled whatsapp messages can be cancelled using the messageSid with twilioMessagingService.cancelScheduledWhatsAppMessage().
TwilioResponse response = await twilioMessagingService.cancelScheduledWhatsAppMessage(messageSID:''// replace with message SID
);
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TwilioMessenger features (Experimental) #
Create a new TwilioMessenger object and initialize with required values

final TwilioMessenger twilioMessenger = TwilioMessenger(
accountSid: '', // replace with Account SID
authToken: '', // replace with Auth Token
messengerId: '' // replace with FB page ID
);
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Send Messenger text #
Send Messenger text message using the send_messenger() method.
TwilioResponse response = await twilioMessenger.sendMessenger(recipient:'',
messageBody: ''
);
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TwilioResponse #
All the function calls from all the services will return a TwilioResponse Object.
TwilioResponse wraps the response of all the APIs. The fields in TwilioResponse:

responseCode: give the response code of the requests. Possible values: 200,400 etc.
responseState: shows if the request fails or completes properly. Possible values: ResponseState.SUCCESS or ResponseState.FAILED
errorData : Holds the ErrorData object in case of any failures/exceptions.
metadata : Holds all the info from the response of the API as json.

ErrorData object has the details about the errors. The fields are:

code
status
message
more_info

Future Features #

Cancel Scheduled Messages
Send message through Facebook Messenger
Twilio verification
Email Sending Support
Update a Message resource
Delete a Message resource
Alphanumeric Sender IDs in Messaging Services
More Support for Messaging Service

Supported Platforms #

Android
iOS
Web
MacOs
Windows
Linux

Useful articles #

https://www.dhiwise.com/post/twilio-flutter-sdk-for-beginners-enhance-flutter-development
https://levelup.gitconnected.com/twilio-text-messages-with-flutter-fe63f41eebe9https://community.flutterflow.io/c/community-custom-widgets/post/send-an-sms-with-twilio-4ihPgc6fW0FwWtC

Issues #
Please file any issues, bugs or feature requests as an issue on
our GitHub page.
Want to contribute #
If you would like to contribute to the plugin (e.g. by improving the documentation, solving a bug or adding a cool new
feature), please carefully review our contribution guide and send us your pull request.
Author #
This Twilio Flutter plugin for Flutter is developed by Adarsh Balachandran.