← Twilio

New Incoming SMS from Twilio API

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New Incoming SMS from the Twilio API
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Getting Started

Trigger a workflow on New Incoming SMS with Twilio API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Configure the New Incoming SMS trigger
    1. Connect your Twilio account
    2. Select a Incoming Phone Number
    3. Configure Twilio Auth Token
    4. Optional- Configure SMS Response Message
  2. Add steps to connect to + APIs using code and no-code building blocks
  3. Deploy the workflow
  4. Send a test event to validate your setup
  5. Turn on the trigger

Integrations

Details

This is a pre-built, open source component from Pipedream's GitHub repo. The component is developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

New Incoming SMS on Twilio
Description:Configures a webhook in Twilio, tied to an incoming phone number, and emits an event each time an SMS is sent to that number
Version:0.0.4
Key:twilio-new-incoming-sms

Code

const twilio = require("../../twilio.app.js");
const MessagingResponse = require("twilio").twiml.MessagingResponse;
const twilioClient = require("twilio");

module.exports = {
  key: "twilio-new-incoming-sms",
  name: "New Incoming SMS",
  description:
    "Configures a webhook in Twilio, tied to an incoming phone number, and emits an event each time an SMS is sent to that number",
  version: "0.0.4",
  dedupe: "unique",
  props: {
    twilio,
    incomingPhoneNumber: { propDefinition: [twilio, "incomingPhoneNumber"] },
    authToken: { propDefinition: [twilio, "authToken"] },
    responseMessage: { propDefinition: [twilio, "responseMessage"] },
    http: {
      type: "$.interface.http",
      customResponse: true,
    },
  },
  hooks: {
    async activate() {
      console.log(
        `Creating webhook for phone number ${this.incomingPhoneNumber}`
      );
      const createWebhookResp = await this.twilio.setIncomingSMSWebhookURL(
        this.incomingPhoneNumber,
        this.http.endpoint
      );
      console.log(createWebhookResp);
    },
    async deactivate() {
      console.log(
        `Removing webhook from phone number ${this.incomingPhoneNumber}`
      );
      const deleteWebhookResp = await this.twilio.setIncomingSMSWebhookURL(
        this.incomingPhoneNumber,
        "" // remove the webhook URL
      );
      console.log(deleteWebhookResp);
    },
  },
  async run(event) {
    const { body, headers } = event;
    const twiml = new MessagingResponse();

    // https://support.twilio.com/hc/en-us/articles/223134127-Receive-SMS-and-MMS-Messages-without-Responding
    let responseBody = "<Response></Response>";
    if (this.responseMessage) {
      twiml.message(this.responseMessage);
      responseBody = twiml.toString();
    }

    this.http.respond({
      status: 200,
      headers: { "Content-Type": "text/xml" },
      body: responseBody,
    });

    const twilioSignature = headers["x-twilio-signature"];
    if (!twilioSignature) {
      console.log("No x-twilio-signature header in request. Exiting.");
      return;
    }

    // See https://www.twilio.com/docs/usage/webhooks/webhooks-security
    if (
      !twilioClient.validateRequest(
        this.authToken,
        twilioSignature,
        `${this.http.endpoint}/`, // This must match the incoming URL exactly, which contains a /
        body
      )
    ) {
      throw new Error(
        "Computed Twilio signature doesn't match signature received in header"
      );
    }

    this.$emit(body, {
      summary: body.Body, // the content of the text message
      id: headers["i-twilio-idempotency-token"], // if Twilio retries a message, but we've already emitted, dedupe
    });
  },
};

Configuration

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.
LabelPropTypeDescription
TwiliotwilioappThis component uses the Twilio app.
Incoming Phone NumberincomingPhoneNumberstringSelect a value from the drop down menu.
Twilio Auth TokenauthTokenstring

Your Twilio auth token, found in your Twilio console. Required for validating Twilio events.

SMS Response MessageresponseMessagestring

The message you want to send in response to incoming messages. Leave this blank if you don't need to issue a response.

N/Ahttp$.interface.httpThis component uses $.interface.http to generate a unique URL when the component is first instantiated. Each request to the URL will trigger the run() method of the component.

Authentication

Twilio uses API keys for authentication. When you connect your Twilio account, Pipedream securely stores the keys so you can easily authenticate to Twilio APIs in both code and no-code steps.

In Twilio, create an API key. There are two types of keys: Master and Standard. You'll need a Master key to interact with certain API endpoints, like /Accounts. If you don't need to interact with those endpoints, you can use a Standard key.

Once created, you'll receive an Sid and Secret here that you should enter in the corresponding fields below.

Then, in your Twilio Dashboard, you'll see your Account SID listed near the top. This is required for certain API operations. Enter that in the AccountSid field below.

About Twilio

Cloud communications platform for building SMS, Voice & Messaging applications on an API built for global scale

About Pipedream

Stop writing boilerplate code, struggling with authentication and managing infrastructure. Start connecting APIs with code-level control when you need it — and no code when you don't.

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Queue up to 10,000 events per workfow and manage the concurrency and rate at which workflows are triggered.

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Large file support enables you to trigger workflows with any data (e.g., large JSON files, images and videos) up to 5 terabytes.

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To use any npm package, just require() it -- there's no npm install or package.json required.

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Use $checkpoint to save state in one workflow invocation and read it the next time your workflow runs.

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