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# Verify Every New Email Automatically with MillionVerifier and Zapier
- URL: https://www.millionverifier.com/blog/integration-zapier/
- Published: 2026-10-28T14:16:03.000Z
- Updated: 2026-10-28T14:16:03.000Z
- Author: Tamas Ham-Szabo

**Add MillionVerifier's Verify Email action to any Zap and check addresses the moment they're captured, whether they come from forms, CRMs, lead databases, or outreach tools. No code, no CSV exports, no manual list cleaning.**

The MillionVerifier Zapier integration lets you verify email addresses automatically inside any Zap. When a new contact appears in an app like HubSpot, Typeform, Facebook Lead Ads, or Apollo, Zapier sends the address to MillionVerifier, receives a verification result, and passes it to the next step. Valid emails move forward, risky ones get flagged, and invalid ones never reach your CRM or sending tool.

**Key takeaways**

- **What it does:** Adds a Verify Email action to Zapier. You pass in an email address; MillionVerifier returns a verdict you can filter, tag, or route on.
- **Works with:** 9,000+ Zapier apps, including HubSpot, Salesforce, Pipedrive, Apollo, Instantly, lemlist, Mailchimp, Typeform, and Airtable.
- **Best for:** Real-time verification of form signups and inbound leads, plus automated bulk checks of cold email lists before they reach your sequences.
- **Setup:** No code. You need a MillionVerifier API key and a paid Zapier plan (Professional or higher). New Zapier accounts get a free 14-day Professional trial, no credit card required.
- **Also works with AI assistants:** Through Zapier MCP, tools like Claude and ChatGPT can run MillionVerifier's Verify Email action directly.

[**Connect MillionVerifier to Zapier**](https://zapier.com/apps/millionverifier/integrations?ref=millionverifier.com) 

[**Get your API key**](https://app.millionverifier.com/api?ref=millionverifier.com)

*99%+ accuracy · Credits never expire · No charge for catch-all or unknown results by default*

## What is the MillionVerifier Zapier integration?

![](https://www.millionverifier.com/content/images/2026/10/02-what-is-the-integration.png)

The MillionVerifier Zapier integration is a no-code connection that adds email verification as a step inside any Zapier workflow. It runs MillionVerifier's **Verify Email** action: Zapier sends one email address to MillionVerifier, and MillionVerifier returns a result that the next steps of your Zap can act on.

MillionVerifier works as an *action* in Zapier, not a trigger. Another app starts the workflow, and MillionVerifier checks the address in the middle of it. A typical Zap runs in four steps:

1. **Trigger:** Something happens in another app. A form is submitted, a contact is added to your CRM, a lead is saved in Apollo, or a row lands in Google Sheets.
2. **Verify:** MillionVerifier checks the email address from that trigger in real time.
3. **Decide:** Filter by Zapier or Paths by Zapier reads the verification result.
4. **Route:** Good emails continue to your CRM, list, or sequence. Risky ones get tagged. Bad ones are blocked or flagged for review.

Every check returns one of six results. Five describe the email and fall into three quality levels. The sixth, error, means the check itself didn't complete. By default, you only pay credits for definite answers.

| Result     | Quality | What it means                                                                                                                            | What your Zap should do                                  | Costs a credit? |
| ---------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------- | --------------- |
| ok         | Good    | The mailbox exists and is safe to email                                                                                                  | Pass it on to your CRM, list, or sequence                | Yes             |
| catch\_all | Risky   | The domain accepts all mail, so the mailbox couldn't be confirmed                                                                        | Tag it and send carefully, or hold it                    | No, by default  |
| unknown    | Risky   | The server didn't give a clear answer at the time of the check                                                                           | Hold it and re-check later                               | No, by default  |
| invalid    | Bad     | The mailbox doesn't exist and would hard bounce                                                                                          | Block it or delete it                                    | Yes             |
| disposable | Bad     | A temporary, throwaway inbox                                                                                                             | Block it or flag it as low quality                       | Yes             |
| error      | None    | The check failed, not the email. Causes include no credits left, an invalid API key, a blocked IP, a missing email, or an internal error | Send yourself an alert and retry once the cause is fixed | No              |

**Plan for errors.** A Filter set to "ok" quietly stops a lead that returns error, and in a Paths step an error matches no branch, so the lead drops without warning. Add a path for error that alerts you. Running out of credits is one of the most likely causes, and MillionVerifier's auto top-up prevents it.

The same Verify Email action is also available outside classic Zaps. Through Zapier MCP, AI assistants like Claude and ChatGPT can verify an address on request. Developers can call it from code with the Zapier SDK.

## What is Zapier?

![](https://www.millionverifier.com/content/images/2026/10/03-what-is-zapier.png)

Zapier is a no-code automation platform that connects more than 9,000 apps so they can pass data to each other without manual work. Instead of copying a lead from a form into a CRM by hand, you build a workflow once and Zapier runs it every time.

Those workflows are called **Zaps**. Each Zap has one trigger (the event that starts it) and one or more actions (the steps it performs). Zapier bills by **tasks**: every action step that runs counts as one task, while triggers and built-in logic steps such as Filter, Paths, and Formatter don't.

For email verification, three Zapier tools matter most:

- **Filter by Zapier** stops a Zap unless a condition is met, for example "only continue if the result is ok."
- **Paths by Zapier** sends records down different branches, so good, risky, and bad emails each get their own next step.
- **Zapier Tables** stores records inside Zapier, which is useful as a holding area for risky emails you want to re-check later.

**Which Zapier plan do you need?** Zapier's free plan only runs two-step Zaps: one trigger and one action. Multi-step Zaps, Webhooks, and logic steps like Filter and Paths start on the Professional plan. Every workflow in this article has at least four steps (trigger, verify, filter, destination), so you need Professional or higher. New Zapier accounts get a free 14-day Professional trial with no credit card required, which is enough time to build and test your first verification Zap.

## 6 problems you can solve with Zapier and MillionVerifier

![](https://www.millionverifier.com/content/images/2026/10/04-six-problems.png)

Zapier and MillionVerifier together stop bad email addresses at the point of entry, so they never reach your lists, CRM, or sending tools. Each problem below maps to a MillionVerifier feature and a ready-to-build Zap. Every recipe has at least four steps, so it needs a Zapier Professional plan or higher.

| Problem                                              | MillionVerifier feature                                                                                    | Zap in one line                                                     |
| ---------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| Fake and mistyped form signups                       | [Real-time single verification](https://www.millionverifier.com/solutions/verify-new-emails-in-real-time/) | Form → Verify Email → Filter → Email list                           |
| Disposable emails abusing trials and lead magnets    | [Disposable email detection](https://www.millionverifier.com/solutions/block-temporary-emails/)            | Signup → Verify Email → Paths → Onboard or flag                     |
| Cold email lists bouncing and hurting deliverability | [Bulk Email Verifier](https://www.millionverifier.com/services/bulk-email-verifier/) and Bulk API          | New list file → Webhooks → Bulk API → Clean list for your sequencer |
| B2B leads stuck as "risky" catch-alls                | [Catch-All Email Verifier](https://www.millionverifier.com/services/catch-all-email-verifier/)             | Lead → Verify Email → Paths → Send, hold, or re-check               |
| CRM contacts with no verification status             | [Email Verifier API](https://www.millionverifier.com/services/email-verifier-api/) via Zapier              | New contact → Verify Email → Update CRM field                       |
| Old lists too big to run through a Zap               | [Bulk Email Verifier](https://www.millionverifier.com/services/bulk-email-verifier/) and Bulk API          | Schedule → Webhooks → Bulk API → Download results                   |

### 1\. Fake and mistyped emails from your signup forms

**The problem:** Website forms collect typos like gmial.com, made-up addresses, and bot submissions. Every one of them inflates your list, wastes sends, and adds to your bounce rate.

**The solution:** Verify each address the second the form is submitted. MillionVerifier's single verification checks one email in real time, and only addresses marked ok continue to your email platform.

**Zap recipe:** Typeform, Cognito Forms, or Facebook Lead Ads (new entry) → MillionVerifier: Verify Email → Filter by Zapier: result is ok → Mailchimp, Constant Contact, or HubSpot: add subscriber.

### 2\. Disposable emails abusing free trials and lead magnets

**The problem:** Temporary inboxes let people grab your ebook, webinar seat, or free trial without ever becoming a real lead. Some of these inboxes disappear within minutes.

**The solution:** MillionVerifier flags disposable addresses as their own result. With Paths by Zapier, you can treat them differently from genuine signups instead of letting them slip into nurture flows.

**Zap recipe:** New signup in your form, community, or app → MillionVerifier: Verify Email → Paths by Zapier:

- **Path A (ok):** Start the onboarding sequence.
- **Path B (disposable):** Tag the contact as low quality and post an alert to Slack.
- **Path C (invalid):** Stop the Zap.
- **Path D (error):** Send a Slack or email alert with the signup's details, so no real lead is lost while you fix the cause.

### 3\. Cold emails bouncing and damaging sender reputation

**The problem:** Contacts pulled from prospecting databases go stale. People change jobs, and companies change domains. Sending to those addresses produces hard bounces, which hurt your domain reputation and can get sending accounts paused.

**The solution:** Verify every prospect list in bulk before it reaches your sequencer. Cold outreach lists arrive as exports of hundreds or thousands of contacts, so MillionVerifier's [Bulk Email Verifier](https://www.millionverifier.com/services/bulk-email-verifier/) is the right tool. It checks the whole file at once, gives catch-all checks time to finish, and lets you download only the deliverable segment. Sending the same list through a Zap one contact at a time would cost a Zapier task per prospect.

**Zap recipe (two Zaps):**

1. **Send the list:** Google Drive or Dropbox (new file in a "To verify" folder) → Webhooks by Zapier: upload the file to the MillionVerifier Bulk API → Zapier Tables: save the returned file ID as pending.
2. **Collect the clean list:** Schedule by Zapier (every few hours) → Zapier Tables: find pending files → Webhooks by Zapier: check the file's status → Filter by Zapier: the file is finished → Webhooks by Zapier: download the ok report → Google Drive: create a file from the report → Slack: tell the team the clean list is ready to import into Instantly or lemlist → Zapier Tables: mark the file as done.

**Tip:** Use ok results for your main campaign. Download ok plus catch-all only if you run a separate, lower-volume campaign for catch-all addresses.

### 4\. Valuable B2B leads stuck as "risky" catch-all addresses

**The problem:** Many company domains run catch-all servers that accept mail for any address. Most verifiers can't confirm the mailbox behind them, label it risky, and leave you to choose between deleting a good lead or risking a bounce.

**The solution:** MillionVerifier's Catch-All Email Verifier is built into its standard verification engine. It resolves 30% to 40% of catch-all addresses into a clear valid or invalid result at no extra cost. Catch-alls that can't be resolved stay labeled catch\_all, and by default you aren't charged a credit for them.

**Zap recipe:** New lead → MillionVerifier: Verify Email → Paths by Zapier:

- **Path A (ok):** Add to the main campaign. Catch-alls that MillionVerifier resolves as valid come back as ok and land here too.
- **Path B (catch\_all):** Add to a separate low-volume campaign, or store in Zapier Tables for manual review.
- **Path C (unknown):** Save to Zapier Tables, add a Delay of 24 hours, and verify again. By default, the first, inconclusive check costs no credit. The re-check uses one only if it returns a definite result such as ok.
- **Path D (error):** Send an alert to Slack or email and keep the lead in Zapier Tables until the cause, often an empty credit balance, is fixed.

**Tip for catch-all-heavy lists:** Catch-all resolution runs deeper checks than a standard verification, so it can take longer. If most of your leads sit on catch-all domains, run them through the [Bulk Email Verifier](https://www.millionverifier.com/services/bulk-email-verifier/) as a file, where these checks have time to finish.

### 5\. CRM contacts with no verification status

**The problem:** Sales reps can't see which contacts are safe to email. They waste time on dead addresses, and marketing can't segment by data quality.

**The solution:** Write MillionVerifier's result straight back into a CRM field. Zapier passes each new contact to MillionVerifier's API behind the scenes, and the result becomes a property your team can filter, report, and build lists on.

**Zap recipe:** HubSpot, Pipedrive, Salesforce, or Close (new contact) → MillionVerifier: Verify Email → CRM: update contact, setting a custom "Email status" field to ok, catch\_all, unknown, invalid, or disposable.

### 6\. Old lists and big imports that are too large for a Zap

**The problem:** Zapier works record by record, and each verification step counts as a Zapier task. Re-checking a 200,000-contact database one Zap run at a time is slow and expensive.

**The solution:** Use Zapier for new contacts and MillionVerifier's [Bulk Email Verifier](https://www.millionverifier.com/services/bulk-email-verifier/) for existing lists. Upload a CSV, TXT, or XLSX file in the MillionVerifier dashboard, then download only the segment you need, such as ok or ok plus catch-all.

Teams that want the bulk step automated too can call MillionVerifier's Bulk API from Webhooks by Zapier:

1. **Schedule by Zapier** starts the Zap every month.
2. **Webhooks by Zapier** uploads your exported list file to the Bulk API.
3. A second Zap checks the file status and, when it's finished, downloads the filtered report.
4. The clean file goes back to your CRM, Google Sheets, or email platform.

**Rule of thumb:** If records arrive one at a time, verify them in a Zap. If they arrive as a file, verify them in bulk.

## How to connect MillionVerifier to Zapier in 8 steps

![](https://www.millionverifier.com/content/images/2026/10/05-connect-in-8-steps.png)

You can build your first verification Zap in about 10 minutes, with no code. You need a MillionVerifier account with credits and a paid Zapier plan (Professional or higher). New Zapier accounts get a free 14-day Professional trial, no credit card required.

1. **Copy your MillionVerifier API key.** Log in to MillionVerifier and open the [API page](https://app.millionverifier.com/api?ref=millionverifier.com) in your dashboard.
2. **Create a new Zap.** In Zapier, click Create, then Zaps.
3. **Set up the trigger.** Choose the app where new emails arrive, such as Typeform, HubSpot, or Apollo, and pick the event, such as "New Entry" or "New Contact." Test it to pull in a sample record.
4. **Add MillionVerifier as an action.** Search for MillionVerifier and select the **Verify Email** action.
5. **Connect your account.** Paste your API key when Zapier asks for it. You only do this once.
6. **Map the email field.** Choose the email address from your trigger step, then test the action. You'll see the verification result returned for your sample email.
7. **Add a Filter or Paths step.** Use the result field to decide what happens next. A Filter set to "result exactly matches ok" is the simplest starting point. If you use Paths, add a path for error so a failed check alerts you instead of dropping the lead.
8. **Add your final action and publish.** Send verified contacts to your CRM, email platform, or sequencer, test the whole Zap, and switch it on.

**Tip:** Zapier's AI Copilot can draft this Zap from a sentence such as "When someone fills out my Typeform, verify their email with MillionVerifier and add only valid ones to Mailchimp." Review each step before publishing.

**Good to know:** By default, each verification costs one MillionVerifier credit only when the result is ok, invalid, or disposable. On the Zapier side, each action step that runs counts as one task. Filters and Paths don't count as tasks, so putting the Filter right after the Verify Email step keeps your Zapier usage low.

## Why use MillionVerifier inside your Zaps

![](https://www.millionverifier.com/content/images/2026/10/06-why-use-millionverifier.png)

MillionVerifier is built for high-volume verification at a low cost per email, which suits automations that run hundreds or thousands of times a month.

- **99%+ accuracy, backed by a money-back guarantee.** MillionVerifier stands behind its results with a 100% money-back guarantee, not just a credit refund.
- **No charge for uncertain answers, by default.** Credits used on catch-all and unknown results are returned automatically, so you only pay for ok, invalid, and disposable results. See the [risky email credit policy](https://help.millionverifier.com/payments-credits/refund-for-risky-emails?ref=millionverifier.com) for details.
- **Catch-all resolution is included.** The built-in Catch-All Email Verifier resolves 30% to 40% of catch-alls into valid or invalid results for the cost of one standard credit.
- **Credits never expire.** Buy once and use them whenever your Zaps run, with no monthly subscription to keep alive.
- **Auto top-up keeps Zaps running.** When your balance runs out, the verification step returns an error instead of a result. Turn on automatic credit purchases so a busy month never stalls your workflows.
- **Reliable API.** The Email Verifier API that powers the Zapier action runs with 99.9% uptime.
- **Simple, low pricing.** 10,000 credits cost $39, and larger credit packs lower the price per email.

Zapier isn't the only way to connect. MillionVerifier also offers 40+ ready-to-use integrations with email platforms and CRMs, so you can combine native list cleaning with Zapier workflows for the apps that aren't covered natively.

## Frequently asked questions

#### Does MillionVerifier integrate with Zapier?

Yes. MillionVerifier has an official Zapier app with a Verify Email action. It connects MillionVerifier to more than 9,000 apps, including HubSpot, Salesforce, Pipedrive, Apollo, Instantly, Mailchimp, and Typeform.

#### Is MillionVerifier a trigger or an action in Zapier?

MillionVerifier is an action. Another app triggers the Zap, for example a new form entry or a new CRM contact, and MillionVerifier verifies the email address as one of the steps.

#### Can I use the MillionVerifier integration on Zapier's free plan?

Not for a practical workflow. Zapier's free plan only runs two-step Zaps, while a useful verification workflow needs at least four steps: trigger, verify, filter, and destination. You need the Professional plan or higher, and new Zapier accounts get a free 14-day Professional trial with no credit card required.

#### How much does it cost to verify emails with Zapier and MillionVerifier?

You pay for two things. On the MillionVerifier side, by default you only pay credits for ok, invalid, and disposable results, because credits for catch-all and unknown results are returned automatically ([details](https://help.millionverifier.com/payments-credits/refund-for-risky-emails?ref=millionverifier.com)). On the Zapier side, each action step that runs counts as one task, and you need the Professional plan or higher because these workflows have more than two steps.

#### Can I verify an entire email list in bulk with Zapier?

Zapier verifies emails one at a time as records arrive, which is ideal for new contacts. For existing lists, use MillionVerifier's Bulk Email Verifier in the dashboard. You can also automate bulk jobs by calling the MillionVerifier Bulk API from Webhooks by Zapier.

#### How does the integration handle catch-all emails?

Catch-all resolution is built into MillionVerifier's standard verification. It resolves 30% to 40% of catch-all addresses into valid or invalid results. By default, the rest return as catch\_all at no credit cost, and you can route them with Paths by Zapier. For lists that are mostly catch-all domains, the Bulk Email Verifier gives these deeper checks the most time to finish.

#### Do I need to know how to code?

No. You set up the whole workflow in Zapier's visual editor by choosing apps, mapping the email field, and adding a Filter or Paths step. Developers who prefer code can use the Zapier SDK or MillionVerifier's API directly.

#### Can AI assistants verify emails with MillionVerifier through Zapier?

Yes. With Zapier MCP, AI assistants such as Claude, ChatGPT, and Cursor can run MillionVerifier's Verify Email action on request. You control which actions the assistant can use, and your API key is never exposed to it.

#### What should I do with emails that return "unknown"?

Hold them and verify again later. Unknown usually means the receiving server didn't answer clearly at that moment. Store them in Zapier Tables, add a Delay step, and re-run the Verify Email action. By default, the first unknown result costs no credit, and the re-check uses one only if it comes back with a definite result such as ok.

#### What does an "error" result mean?

It means the check failed, not the email. Common causes are an empty credit balance, an invalid API key, a blocked IP, or a missing email field. Add an error path that alerts you, and turn on auto top-up to avoid credit-related errors.

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Why Choose Millionverifier

![99%+ Accuracy Rate](https://www.millionverifier.com/content/images/2026/06/accuracy_rate_hero-1.webp)

We have kept improving our email verification software for over six years now, and we are incredibly proud of our outstanding 99%+ email verification accuracy.

[99%+ Accuracy Rate](https://www.millionverifier.com/why-millionverifier/accuracy-rate)

![Best Email Verification Prices](https://www.millionverifier.com/content/images/2026/06/best_email_verification_prices_hero-1.webp)

We have created MillionVerifier to provide the best email verification service possible for email marketers with higher email verification needs.

[Best Email Verification Prices](https://www.millionverifier.com/why-millionverifier/best-email-verification-prices)

![Excellent Verification Service](https://www.millionverifier.com/content/images/2026/06/excellent_email_verification_service_hero--2-.webp)

Our customers love what we do. We work hard to deliver the best results and user experience for our customers.

[Excellent Verification Service](https://www.millionverifier.com/why-millionverifier/excellent-email-verification-service)