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1,112 questions

Has recommended answer
0 votes
1 answer
26 views

In Twilio studio, can I use the messaging service, incoming SMS and wait and reply all on the same number?

is it possible to do all of the below in Twilio studio, for the same number. Requirements: Add the number to a messaging service (especially needed due to regulatory compliance for USA) If an sms is ...
Max Pownall's user avatar
Answer

Twilio Evangelist here. Take into account that Studio has the same functionalities with or without a Messaging Service, If you have a 'Send & Wait for Reply' widget active, any incoming messages ...

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SebastianCS's user avatar
-2 votes
1 answer
34 views

Unable to receive messages on whatsapp from Twilio sandbox

I am trying to build a reminder application using Twilio Sandbox, in an order to receive messages you need to send "join dirt-or" to Twilio. It works fine at first but after some time I need ...
AKSHAT KOTHAVADE's user avatar
Answer

In your scenario, the observed behavior is correct due to the WhatsApp 24-hour session policy. Since more than 24 hours have passed between your messages, a new session window must be initiated, which ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
40 views

How can I use webhook in Messaging Services during trial mode?

I'm working on a WhatsApp chatbot and I've created a content template builder and messaging services. During the configuration of the messaging services, I selected "Send a webhook" and ...
SkyEagles's user avatar
Answer

I'm afraid this is the correct behavior. To use a messaging service, you would need to add the sandbox number to the sender pool of the service. However, this is not possible as you don't own the ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
99 views

How to implement WhatsApp Flows with Twilio

Meta has a feature - "WhatsApp Flows"|: https://developers.facebook.com/docs/whatsapp/flows I'm using Twilio for WhatsApp, and looking for an efficient way to work with this feature on ...
Max's user avatar
  • 1,028
Answer

As of now, Twilio is not yet supporting this feature. However, you can use this form to request access to the pilot once available :).

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IObert's user avatar
  • 3,442
0 votes
1 answer
151 views

Use Twilio in Vue 3 to send message on Whatsapp

i looking the best way to send message on Whatsapp using twilio. so here is my code : twilio.js file import { Twilio } from 'twilio'; const accountSid = process.env.TWILIO_ACCOUNT_SID; const ...
Roler's user avatar
  • 11
Answer

It's important to note that Twilio shouldn't be used directly in the frontend for security and architecture reasons. Exposing sensitive information such as your Twilio Account SID and Auth Token in ...

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IObert's user avatar
  • 3,442
-1 votes
1 answer
42 views

How to use SMS API of Australia region for sending SMS with an Australian Number?

I am trying to use Australia Region API for SMS sending, But i am not able to use it i'm getting a 401 error code. Let me know, How can i make Australia region sms sending Api Active by default it's ...
Akarshan's user avatar
Answer

I'm afraid your assumption is right. This service is, as of now, not available in the AU1 region. You can check this resource to check if this feature is available at a later point in time.

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IObert's user avatar
  • 3,442
0 votes
1 answer
83 views

How to Set Up a Webhook for WhatsApp Template Status Updates?

After creating a WhatsApp template, is there a way to set up a webhook to receive the status updates of the template?
SamePop20's user avatar
  • 113
Answer

I'm afraid this feature is, as of now, not available.

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IObert's user avatar
  • 3,442
0 votes
1 answer
45 views

How do I play a custom message in a Twilio function and then return to the Studio Flow?

How do I return to a Studio Flow after playing a custom voice message to a person? Here's the code: if(calledNumber == "+11234567890") { twiml.say("Biden is closed."); }...
Highdel's user avatar
  • 89
Answer

It seems like the behavior you're experiencing is the intended one. The function widget cannot return control back to the original Studio Flow execution once it has been invoked. It can only trigger a ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
79 views

Webhook error on Twilion when trying to communicate with OpenAI

I'm frustrated here, got stuck, can't overcome this :/ I'm trying ChatGPT but it can't correct it. Project My project is to communicate Whatsapp Business with OpenAI using Twilio. Problem Twilio is ...
André Gabriel's user avatar
Answer

It sounds like the issue might stem from the Node.js version mismatch. Twilio received a non-error response HTTP status 404, meaning the URL was not found. Your project specifies Node.js version 20, ...

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IObert's user avatar
  • 3,442
-2 votes
1 answer
108 views

Send Whatsapp message outside FreeForm hours

I use the following Google Apps Script code to send WhatsApp messages: function sendTrial3WhatsAppMessages() { var accountSid = 'AC43136d9eda4f6c428fe8bf8eXXXX'; // Replace with your Account SID ...
Anushka's user avatar
  • 63
Answer Accepted

It seems you use the wrong parameters to send the message. You use the regular messaging API with the body parameter whereas you need to specific the contentSid and, if needed, contentVariables as ...

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IObert's user avatar
  • 3,442
2 votes
1 answer
216 views

Twilio + webSockets - can't send parameters to webSocket

I am having problems with Twilio, while trying to send parameters to a webSocket that is being called from a webhook. I am using: node.js, express, ws (JS websocket library). The webhook is not the ...
petru tirla's user avatar
Answer Accepted

According to the docs, Twilio sends these values to your WebSocket server in the Start message. So you need to have a part in your code that follows this structure: wss.on('connection', async (ws) =&...

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IObert's user avatar
  • 3,442
0 votes
1 answer
232 views

Develop and integrate whatsapp into my website

I’m developing a custom crm in react and nodejs. I need to integrate a box in which the user/operator can message through whatsapp to the customers. I read that I can’t use the iframe cause there are ...
travis_91's user avatar
  • 173
Answer

I'm afraid this is not possible due to restrictions by Meta/WhatsApp. The WhatsApp Business API only offers to build a custom interface from the "business-side" but not from side of the ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
75 views

Send Whatsapp Typing Indicator to Twilio Conversation using Python

I could not find an example online of how to send Whatsapp indicator to twilio conversation using Python. Does somebody have an example of how to implement this, please? from twilio.rest import Client ...
Rodrigo Celoto's user avatar
Answer Accepted

I'm afraid this feature is, as of now, not available on the WhatsApp API. Therefore, Twilio can't offer such a feature either. You are probably referring to this doc but that one covers Twilio ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
126 views

How did Confirmafy manage to send Whatsapp templates without pre-approval process?

I'm developing an application similar to Confirmafy that uses the WhatsApp Business API to send messages to users. According to WhatsApp's documentation, message templates need to be pre-approved, and ...
PugProvoleta's user avatar
Answer

You mention the old "WhatsApp templates" here. Using them is quite strict and trivial-appearing whitespaces or encodings can turn a valid usage of a template invalid. So I'd suggest using ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
136 views

Interactive message using python

I'm trying to implement a Twilio webhook in my Flask API to send interactive messages to WhatsApp users.. however it creates error in twilio_webhook response.message("Option 1").quick_reply(...
manju's user avatar
  • 3
Answer Accepted

The MessagingResponse has no such functions that you described here. Hence, you get this error. What you can do instead, is using the Content Template API to create a template: curl -X POST 'https://...

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IObert's user avatar
  • 3,442
1 vote
1 answer
74 views

Twilio: Maximum number of Queues per account

Can someone please tell me if there is a limit on maximum number of queues in twilio per account or subaccount. i am developing a phone system where based on several conditions, a call is enqueued in ...
Shyam's user avatar
  • 151
Answer Answer recommended by Twilio

Voice tasks or calls are limited to 100 by default per queue. https://www.twilio.com/docs/taskrouter/twiml-queue-calls

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Leticia Duarte's user avatar
0 votes
1 answer
75 views

How can I dynamically handle a call on Twilio in real time and with Python?

I'm building an app that does the following: Make an outbound call. Start streaming when the callee picks it up Transcribe the stream in real time with Vosk Detect a keyword to tell apart two ...
Hyperion's user avatar
  • 158
Answer Accepted

The easiest way would be to use the call sid and update the call's TwiML to instruct the redirect (aka <Dial>) to your personal number: call = client.calls('CAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX') \...

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IObert's user avatar
  • 3,442
0 votes
1 answer
39 views

Twilio Studio - Collecting call handling information

I've completed the development of my IVR using the Twilio platform. Now I have a question: I'm not interested in using Flex to collect this information. Is there any way to collect call duration, ...
Leonardo Rubio's user avatar
Answer Accepted

Unfortunately, collecting call duration, available agents, completed calls, and other detailed information directly through Twilio Studio is not supported. However, you can achieve this by utilizing ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
87 views

Where do I specify the Template message body in a Twilio flow?

I'm building a Twilio Studio Flow. I created a template message and WhatsApp approved it. So I copied the template SID into my 1st widget when receiving a message. But it doesn't work when I try to ...
Pieter le Roux's user avatar
Answer Accepted

To use Content Templates successfully, please ensure that a Messaging Service is configured in your Twilio Studio Flow as it is required for sending messages. This should help resolve the issue you ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
41 views

Twilio Studio - Retrieve Variable Issue

I am trying to use variables for the first time and in my first test this hasn't worked. Can anybody please offer any advice, I'm sure it's something silly on my behalf. Firstly, I ask the user ...
bsh3p's user avatar
  • 13
Answer Accepted

This issue might be caused by the variable name, specifically that it starts with a number. Try using "Child1Name" or "SecondChild1Name" and it should work. From the docs: Liquid ...

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IObert's user avatar
  • 3,442
1 vote
1 answer
177 views

Trying to send SMS to USA

First off I appreciate your time and help if you can give it.. I am reasonably new to Twilio. I am part of a start-up that is using Twilio SMS to deliver questionnaires to selected individual phones (...
Rory Forde's user avatar
Answer Accepted

The problem you are describing is a regulatory one and less a programming-related one. So I try to keep this answer as brief as possible to avoid that it's outdated when regulations of any country ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
166 views

Is it possible to Validate programmatically if Twilio sender phone number belongs to active numbers not using preview api?

I'm working on integration application and I need to know how to programmatically validate Twilio sender phone number. I've already found in the documentation actuve number resource that in preview ...
Eugene's user avatar
  • 401
Answer Accepted

I'd also recommend fetching the incomingPhoneNumber resource. I just double-checked and it doesn't include number that are released. Or is there another reason why you don't want to use this API?

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IObert's user avatar
  • 3,442
1 vote
1 answer
82 views

Receiving Twilio messages from a shortcode in a webhook instead of phone number

I have managed to set up my Twilio account (and a Flask server) and while following along the How to Create a SMS Conversation in Python tutorial I'm receiving the response message from a shortcode ...
Ricardo Chavelas's user avatar
Answer Accepted

Summarizing the comments above as an answer: This is likely related to the messaging route used when sending messages between different country codes. You should try using numbers from the same ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
116 views

Can Twilio bidirectional stream feature works for Speech input in the call?

I am trying to reduce the latency of the custom responses generated and saving it to audio file to play in twilio call but according to docs, I am confused that whether the audio file chunks could be ...
Sajag Agrawal's user avatar
Answer

Yes, it's possible to stream audio files back to Twilio via the WebSockets connection: //Send Audio to Twilio when Generated Audio from Eleven Labs is Complete elevenLabs.on("AudioReceived&...

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IObert's user avatar
  • 3,442
-1 votes
1 answer
137 views

Trying to test Apps Script code that needs to send WhatsApp message with Twilio

I'm trying to test a simple Apps Script code to send a WhatsApp message with Twilio. I'm sending the message to a verified number. It's not a US verified number though, as the Twilio page just says: ...
Pieter le Roux's user avatar
Answer

Please note that you won't be able to use the WhatsApp Business API until you upgraded your account, purchased a phone number and enabled it for WhatsApp communication. However, our WhatsApp Sandbox ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
51 views

Twilio Studio - Issues with clearing variables

I'm developing an IVR using the Twilio platform. Currently, I'm facing some issues with clearing a specific variable. To better understand, I'll detail the flow path for clarity. Flow: Widget Gather ...
Leonardo Rubio's user avatar
Answer Accepted

I think I see what's wrong. In "widget [set_variables_2]" you try to set the key {{widget.Inicio.Digits}}. However, you cannot set properties of other widgets. Instead you need to set the ...

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IObert's user avatar
  • 3,442
-1 votes
1 answer
120 views

Has anyone been successful in sending group messaging on Whatsapp using Twilio

I am building for a use case that create and sends messages to a Whatsapp Group. It appears that Whatsapp does not support this natively, though i found this from Twilio that claims to be enabling ...
user1865306's user avatar
Answer

Thank you for reaching out about your issue with sending group messages on WhatsApp via Twilio. It is important to clarify that the feature in question does not facilitate the creation of native ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
31 views

Playing twilio asset from http parameter

I have an automated call using a twilio twilml bin <Response> <Say>This is reminder day number {{day}}</Say> <Pause length="1"></Pause> <Play loop=&...
Dman's user avatar
  • 573
Answer

I assume you run into this problem because you didn't URL-encode the audio query parameter. The link above will explain the detailed rules but it basically failed because you had a (audio) URL as the ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
48 views

TwilioStudio - What is the best way to clear a variable in my flow?

I'm facing an issue where I need the variable to have a clean value. Right now, I'm developing an IVR, and at certain points, I need to validate the user's document. If they input incorrect ...
Leonardo Rubio's user avatar
Answer Accepted

From what you've described, it sounds like you're on the right track but facing a common challenge. Unfortunately, you can't directly clear properties of other widgets' variables in the Studio. ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
91 views

Twilio check received WhatsApp messages on behalf of user

I'm trying to sketch the design for an app that will let users automate some actions based on received WhatsApp messages, like updating their appointment calendar. To eliminate complexity irrelevant ...
rwallace's user avatar
  • 32.7k
Answer Accepted

Your idea for automating actions based on specific keywords received in WhatsApp messages sounds interesting. However, there are some significant limitations imposed by the way the WhatsApp API ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
59 views

Twilio Studio Flow run via command line

I have a Twilio Studio Flow that runs a few widgets / serverless functions. It works properly when I call my Twilio number (which is setup to run this flow). However, I'd like be able to run the flow ...
Vasseurth's user avatar
  • 6,456
Answer Accepted

When you initiate a Twilio Studio Flow using the command twilio api:studio:v2:flows:executions:create, you're indeed creating a new execution via the REST API. This command starts the flow, but it ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
93 views

Twilio serverless update asset without redeploy

I have a Twilio Service where the function loads a private text asset and returns a value based on the contents of that file. // Read memo_assets from assets const memo_assets_path = Runtime.getAssets(...
Vasseurth's user avatar
  • 6,456
Answer Accepted

The solution you're looking for may not be possible in the exact way you've described. Once you deploy a Twilio function with a particular asset, the function will not perceive changes in the content ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
70 views

Twilio Functions - Validate CPF and CNPJ and format them according to standard

I'm new here and I would like to ask a question regarding the creation of functions in Twilio. Just to understand the context of my situation, I'm developing an IVR (Interactive Voice Response), and ...
Leonardo Rubio's user avatar
Answer Accepted

Since you set the function parameter to event in the Function widget, you can use that parameter name in the code as well. In your code above, you use a variable name that is only available within the ...

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IObert's user avatar
  • 3,442
1 vote
2 answers
216 views

Twilio - WhatsApp error 63018 "Rate limit exceeded for Channel"

Using Twilio API to send WhatsApp messages using Python. Sending rate is about 1 message per second. Have a confirmed business account with Meta/WhatsApp and the phone number is approved for 1,000 ...
Bryan's user avatar
  • 11
Answer

It sounds like you're running into a limitation of the WhatsApp Sender’s Throughput, which is not to be confused with the WhatsApp Messaging Limits. But I agree, the naming is confusing... Note: A ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
125 views

How to add context to chat-gpt twilio customer service bot?

I want to implement langchain to this call-gpt repo so that I can get a twilio phone number to answer company specific questions. How would I go about this? https://www.twilio.com/en-us/blog/call-gpt-...
randomname's user avatar
Answer

You can add more context when you modify the completions.create call in /src/functions/prompt.protected: const completion = await openai.chat.completions.create({ model: 'gpt-3.5-turbo', ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
66 views

Why does Twilio Studio insert line breaks around variables in my text and json?

I am building on the Twilio Rest Api v2 and Twilio Studio. For the purposes of my prototype/ demo, I have set up quick loop that is triggered by my Rest call. It asks the user for input 3 times, ...
ScumSprocket's user avatar
Answer Accepted

The additional line breaks you encountered might have been caused by an accidental addition of line breaks when you defined the Attempts variable. It is crucial to be aware of extra whitespaces or ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
239 views

How to stream audio of <Dial> to websocket?

I am trying to transcribe Twilio voice call in real-time with WebSockets. Twilio has multiple examples for this. I am following this one: https://www.twilio.com/en-us/blog/live-transcribing-phone-...
Pritam Barhate's user avatar
Answer

Twilio Support Engineer here. In order for your WebSocket server to recieve both the inbound audio track as well as the outbound audio track (the child call), you need to specify the track attribute ...

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Daniel O.'s user avatar
  • 728
0 votes
2 answers
229 views

Cann't send back data using websocket for Twilio call

I've been working on Twilio project and have set up everything like in this tutorial: link. I receive bytes using "ws.receive()", but I have trouble on the stage of sending bytes of voice ...
Bohdan Shylo's user avatar
Answer

Twilio Support Engineer here. It's possible to send data back if the stream is setup as a bi-directional media stream using the noun. For example: <?xml version="1.0" encoding="UTF-...

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Daniel O.'s user avatar
  • 728
0 votes
1 answer
91 views

How to hide preheader text in sendgrid for all email application

How to hide red box(that highlights in the image) preheader, for all applications like Gmail, outlook, etc. I have tried adding an initial blank space and applying CSS to hide it in the mail body. ...
jayesh desai's user avatar
Answer

I'd recommend using the following snippet from this blog post: <span class="preheader" style="color: transparent; display: none; height: 0; max-height: 0; max-width: 0; opacity: 0; ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
80 views

Migrating from whatsApp Template to Content Builder

I am migrating Twilio's WhatsApp template to their Content Builder, and after moving all the templates to the Content Template. I am not able to receive the Call to Action buttons. For example, This ...
Amit Pal's user avatar
  • 10.9k
Answer Accepted

I believe you may be facing difficulties due to misunderstandings about the Content API's capabilities. Notably, the Content API does not support a body parameter. This could be the cause for not ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
50 views

Wrong status callback event in Twilio Programmable Voice

I am using Twilio Node.js SDK and Nest.js to develop my application. Currently facing an issue that Twilio programmable voice status callback is firing a wrong status. I need to handle an answered (in-...
Narek's user avatar
  • 251
Answer

Twilio Support Engineer here. Most likely what is happening is that the ringback tone coming from the callee side is being played after call answer. This is common when calling PBX systems or ...

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Daniel O.'s user avatar
  • 728
0 votes
1 answer
151 views

Unable to send whatsapp templated message using Twilio

I'm using Twillio to send whatsapp messages to my customers for updates regarding services they are using, but I'm unable to send the message at all. I'm using v5.0.1 of the twilio SDK for NodeJS What ...
chumberjosh's user avatar
Answer Accepted

You are mixing two different approaches here. The first one you mentioned is using the Content Template Builder. In there, you can submit another template to Meta and from then on, reference the ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
53 views

Twilio function works for inbound calls but not outbound calls?

I have created a function in Twilio that essentially allows for a back-and-forth conversation with a voice chatbot using OpenAI. It basically listens to each response, transcribes it, passes it to ...
Jeff Winkle's user avatar
Answer

From the information you provided, it seems you are trying to invoke the same function in Twilio Studio for outbound calls that you are using for inbound calls. However, it's crucial to note that the ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
33 views

How is dependency resolution for "services/functions" supposed to work? My package.json is not being parsed

I have a twilio function that I authored using the twilio cli's twilio serverless init command. I then added a couple of dependencies via npm install and implemented it to make a REST call to an ...
lamont's user avatar
  • 448
Answer

It's strange that you ran into this issue. I just tried to reproduce it (create a new Functions project -> deploy -> add dependencies with npm i -> redeploy) and it works all fine. Can you ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
121 views

How to validate an incoming webhook GET request from the Twilio API using Node.js

I have figured out how to validate incoming POST webhook requests from the Twilio API in Node. Now I am trying to do the same with a GET request. It keeps failing the validation. I have found very ...
dmikester1's user avatar
  • 1,540
Answer

It should work the same way as for POST. Maybe your not parsing the parameters the right way. I'd recommend using the twilio.webhook() middleware as it avoids bugs and also makes the code easier to ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
78 views

Failed API Request 82007 unsupported runtime: node16

following the steps from: https://www.twilio.com/en-us/blog/call-gpt-twilio#Deploy-functions after i put in: npm run deploy this error popped up: ERROR Failed API Request 82007 │ │ unsupported runtime:...
randomname's user avatar
Answer Accepted

You can specify the used Node version in these places: To use Node 18 locally, you can edit the .nvmrc file. 16 This won't fix the issue but it will ensure you use the same version for deployment ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
175 views

Error sending message with Twilio and WhatsApp using template: "Failed to send freeform message..."

I'm encountering an error when trying to send a message using Twilio and WhatsApp. I'm following the guidelines for using message templates, but I receive the following error: Failed to send freeform ...
William Carriello's user avatar
Answer

You are getting this error because your message doesn't exactly match the template string. This could be due to whitespaces or related to the image attachment you want to send. I'd recommend using the ...

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IObert's user avatar
  • 3,442
-2 votes
1 answer
107 views

Want to create a place where people can admin there clients thru whatsapp, like whaticket but with oficial api, am I in the right place with Twilio?

I intent to create a website for my clients, called eg: xxxx.com where they will login into that website, and will be able to read a whatsapp QRCODE and connect to there whatsapps numbers and ...
Demian's user avatar
  • 11
Answer

Your project sounds exciting and complex. However, I'm not sure the WhatsApp API can help you to solve that problem (if I understand it right). WhatsApp Business API is designed to allow medium and ...

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IObert's user avatar
  • 3,442
2 votes
1 answer
46 views

Not able to call Response.Say during live streaming of call twilio websocket python

In the if AcceptWaveform where print statement is taking place I want to call a sample message at bottom which will be spoken during the call. But there is no message call. But during start of calling,...
Rohan Choudhary's user avatar
Answer

It seems you are trying to return a TwiML response to the incoming steam data. This won't work, as this is just the stream of the call. Instead, try to modify the original call that is in progress. // ...

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IObert's user avatar
  • 3,442
0 votes
1 answer
60 views

Twilio call hangs up after hangs up after playing response

I am trying to build this simple example using twilio C# api: string accountSid = Environment.GetEnvironmentVariable("TWILIO_ACCOUNT_SID"); string authToken = Environment....
shrekDeep's user avatar
  • 2,308
Answer

That is the intended behavior. If you want to keep the call "alive", you can add a <Pause> tag. The <Pause> verb waits silently for a specific number of seconds. <?xml version=...

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IObert's user avatar
  • 3,442


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