Identibyte examples

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7 October 2018

Remove disposable emails from Mailchimp with Zapier and Identibyte

by Cody Reichert

Identibyte can help detect email addresses that use a disposable or anonymous provider. These aren’t so bad most of the time, but when they get added to mailing lists like MailChimp, you actually start paying real money for those resources that are never used.

By connecting with Zapier, you can use Identibyte to automatically unsubscribe disposable email addresses when they subscribe to your lists.

How it works

This is completely handled through Zapier, and it takes 3 steps so it requires a paid Zapier account. We’re working on tighter integrations directly with these services so you don’t need to go through Zapier.

If you have the above, let’s jump right in. Start by going in Zapier and opening a blank new Zap template. Then follow these steps:

Step 1 Trigger

Here we configure the MailChimp List to watch.

  1. Select Mailchimp as the first integration: Select MailChimp as step 1 integration

  2. Select New Subscriber as the Mailchimp trigger action: Select New Subscriber as step 1 action

  3. Connect your MailChimp account Connect MailChimp to Zapier

  4. Select the List to watch for subscribers: Choose list to watch for subscribers

  5. Test your Zap and pull in any sample data you need: Test your Zap's step

Step 2 Trigger

In this step, we got a new subscriber and check it with Identibyte

  1. Select Code by Zapier as the action integration: Select Code as the step 2 integration

  2. Select JavaScript as type of code to run: Choose JavaScript as the step 2 code type

  3. Add input variables and code template. This part takes two steps, both are shown in the image below. First, create input variables for emailAddress and apiToken. For emailAddress, select the MailChimp field from the dropdown. For apiToken, copy a token from your Identibyte dashboard and paste it into the field. After that, copy and paste the script in the dropdown below in the Code input in Zapier (No changes are necessary to the code).

    Copy this code

    Enter variables and code template

  4. Test the step and you should see green: Test your code step

Step 3 action

This is the last step, where we remove the subscriber from Mailchimp if the email address is disposable.

  1. Select MailChimp as the action integration: Select MailChimp as the step 3 integration

  2. Choose Unsubscribe Email as the action for this step: Choose Unsubscribe Email as the step 3 action

  3. Select your MailChimp Account (must be the same as Step 1 settings). Connect MailChimp to Zapier

  4. Finalize the action by selecting the List (must be the same as Step 1 above) the subscriber’s email (use the email in the MailChimp dropdown from Step 1). It’s worth noting you can optionally delete the subscriber – right now we’re only unsubscribing them. Unsubscribe disposable email from MailChimp


And that’s about it! Now, when a new subscriber used a disposable email address they will be automatically unsubscribed from your MailChimp account by Identiybte.

Identibyte remove disposable emails from MailChimp

Have any questions or problems setting it up? Let us know - we’re happy to help! Reach out to Identibyte on Twitter or @CodyReichert.

:: Cody Reichert

JS Code Snippet

To save room in the post I moved the snippet here. You will not need to make any edits to this script.

const https = require('https')

/* Get input data from Zapier */
const email = inputData.emailAddress
const token = inputData.apiToken

/* What we give back to Zapier */
const out = {
    disposable: "false",
    freeProvider: "false",

const requestOptions = {
    host: '',
    path: '/check/' + email + "?api_token=" + token,

// Make the API request and wait for the response
https.get(requestOptions, (res) => {
    let body = ''
    res.on('data', chunk => body += chunk)

    // Set `disposable` and `freeProvider` in the output
    res.on('end', () => {
        const response = JSON.parse(body)


        if ( === true) {
            out['disposable'] = "true"

        if ( === true) {
            out['free'] = "true"

        out['body'] = body
        out['emailChecked'] = email

output = out