To integrate Klaviyo with Twilio using webhooks in a flow, follow these steps:

1. Set Up Twilio:

   • In Twilio Studio, create a flow that accepts incoming HTTP requests.
   • Configure the flow to send SMS messages using parameters for 'To', 'From', and 'Body'.

2. Configure Klaviyo Webhook:

   • In your Klaviyo flow, add a webhook action.
   • Set the request URL to your Twilio Studio flow's HTTP endpoint.
   • Use the POST method and set the content type to application/json.
   • In the request body, include the necessary parameters:

     json

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     { "To": "+1234567890", "From": "+0987654321", "Body": "Your message here" }

   • Replace the placeholder values with your actual Twilio numbers and desired message content.

3. Authentication:

   • Twilio requires authentication for API requests.
   • In the webhook settings, add an authorization header:
     
     Authorization: Basic base64encoded(TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN)
   • Replace TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN with your actual Twilio credentials.
   • Ensure the credentials are base64 encoded.

4. Testing:

   • Test the setup by triggering the Klaviyo flow and verifying that the SMS is sent via Twilio.
   • Check for any errors in both Klaviyo and Twilio logs to troubleshoot issues.

For detailed guidance, refer to Klaviyo's documentation on understanding webhooks in flows.

Additionally, consider reviewing Twilio's API documentation for specifics on handling incoming HTTP requests and sending SMS messages.

By following these steps, you can successfully set up a webhook in Klaviyo to send SMS messages through Twilio.

Hi there,

Thank you very much for your response.

I am not sure what I am doing wrong here - but I am still having trouble. I am attaching images of my configuration both in Twilio and in Klayvio

Note that I changed the from phone number to 5555555 for the purposes of the screenshot.

I keep getting a 400 error

My Authorization Key is encoded

Sorry reposting these images incase they didn’t come through the first time.

It seems like there might be an issue with either the configuration or the way the request is being made. Here are a few things to check:

1. Double-check API Credentials: Ensure that your Twilio SID and Auth Token are correct and properly encoded.
2. Verify the 'From' Number: While you've changed the 'From' number for the screenshot, make sure that the number you're using is a valid Twilio phone number. A 400 error can occur if the 'From' number isn’t correctly set up in Twilio.
3. Check the Endpoint: Ensure you're sending the request to the correct API endpoint and that the payload is properly formatted according to Twilio’s documentation.
4. Ensure Proper URL Encoding: Sometimes, improper encoding of the URL or parameters can cause issues. Make sure everything is URL-encoded correctly.
5. Authorization: Double-check that the Authorization header is formatted correctly and that it's base64-encoded, if necessary.

If you're still facing issues, feel free to share the specific error message or any additional logs, and I can assist you further.

Thank you Mansir. I have sent you a PM!

haven’t recieved it yet!

You are welcome, Hope you found that helpful?

Sorry Mansir - I just noticed it didn’t send and even now I tried to resend it and it didn’t work. Let me post here:

I have been trying to make the connection in Postman, however I am unable to make a successful connection...I am getting:

{

    "code": 20001,

    "message": "Missing required parameter From in the post body",

    "more_info": "https://www.twilio.com/docs/errors/20001",

    "status": 400

}

The payload I am sending is

{

  "From": "+16045555555", (our number in Twilio).

  "To": "+16045555555", (edited for posting public - but my cell phone)

  "message": "This is a test message."

}

Please Note that our From number IS set up to work on another flow for an autoresponder. When you do text it, you get a response back saying its not monitored. So the number does work / can send SMS.

My headers include

Authorization (and then my encoded accountsid:authtoken)

Content-Type = application/json

As mentioned, within Twilio, I am already using the number on another flow for an autoresponder (so if you text that number, it will tell you its not monitored)

In my flow set up, i have

Message body: {{flow.data.parameters.message}}

from: {{flow.data.parameters.From}}

to: {{flow.data.parameters.To}}

And I am sending this to the REST API endpoint

Does anything jump out as being incorrect?

It’s fine Fastkey!

The error indicates the "From" parameter is missing in the POST body. Based on your payload, here’s a potential fix:

1. Ensure Correct Parameter Name:
   In Twilio, the "From" field is case-sensitive. Double-check that your payload includes "From", not any variation like "from".

2. Update the Endpoint URL:
   Make sure you’re using the correct Twilio REST API endpoint for sending SMS. It should look like:

   arduino

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   https://api.twilio.com/2010-04-01/Accounts/{AccountSID}/Messages.json

3. Payload Format:
   Verify that your payload matches Twilio’s requirements:

   json

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   { "From": "+16045555555", "To": "+16045555555", "Body": "This is a test message." }

   Note: The key should be "Body", not "message".

4. Headers:
   Your headers seem correct, but ensure the Authorization value is properly base64-encoded.

If these adjustments don’t resolve the issue, feel free to reach out to me directly via WhatsApp at +234 9151237531, and I’ll help you troubleshoot further!