What is an email list verifier?

An email list verifier checks each address before you send. Verify flags syntax errors, disposable inboxes, spam traps, catch-all domains, and hard bounces so your campaign reaches real people.

What does a phone number validator check?

A phone number validator confirms whether a number can be dialed or texted. Verify returns country, line type, carrier when available, and whether the number looks like a mobile, landline, VoIP, or invalid line.

What is a phone number checker?

A phone number checker gives context beyond the digits: serving carrier, location signals, and line type. Knowing mobile versus landline or VoIP helps you decide if the contact is worth an SMS credit.

How do I verify a list with Verify by Zindua?

Upload a CSV or paste emails and phone numbers. Verify scores each row, then you export only the contacts that can receive. The same checks are available from the API in Node, Python, Java, and ASP.NET.

Is Verify free to try?

Yes. Start free with 50 emails and 10 phone checks. No credit card required.

Email verifier · Phone validator

Verify your list.Send to real people.

Import emails or phone numbers, one contact or a full list. We check each row: the real mobiles you can text, the real inboxes that can receive. You download a clean file with only the good contacts.

Start verifying free

50 emails · 10 numbers. No card.

Campaign check

Q3 outreach list

Completed

Emails

0checked

Deliverable0
Undeliverable0
Risky0

Phones

0checked

Valid mobile0
Invalid0
Landline / VoIP0

ada.martin@acme.be

Can receive

Deliverable

+32 470 12 34 56

Belgium · 0470 12 34 56

Valid mobile

bounce@mailinator.com

Don't send

Undeliverable

+38,000 requests verified every day across email and phone checks.

We check if a number is a real mobile, or if an inbox can receive. The same engine as your lists.

Enter a contact
A mobile number, with the country.
We verify it
Please wait. This is a live check, not a mock.
See if you should send
Deliverable, risky, or don’t send.
Keep going with an account
Lists, API, and more checks after this trial.

What you can do now

Check a mobile before you burn SMS credits.

What you can do next

Create a free account

Upload a list, keep the trial going, and use the API on the same credits.

Live demo

Check a number or an email before you send.

A few free tries. Then create an account to keep verifying.

Step by step

Three steps. Then the clean file.

Import a list of emails or phones. We verify each contact one by one, then hand you a clean file: only numbers you can message and inboxes that can receive.

Import emails or phones in one go.
Paste, CSV, or Excel. One contact or thousands. We take the list as it is.
PasteCSV.xlsx
lea.dupont@atelier.fr
Emails
+33 6 12 34 56 78
Phones
We verify every row, one by one.
Real mobile or not. Inbox that can receive or not. Clear score on each contact.
Scoring
79%
lea.dupont@atelier.fr
Deliverable
+33 6 12 34 56 78
Valid
Export only the contacts worth sending to.
Download the clean file. Drop bounces and bad numbers before you send.
clean-list.xlsx
Ready to send
Emails kept
2,480
Mobiles kept
710

Your CRM stays clean

Connect HubSpot, Notion, Zapier or Make in minutes. Verify checks each email or mobile before it enters your pipeline.

1
Connect in the dashboard and copy your webhook URL.
2
On new contact, POST the email or phone to that URL.
3
Keep deliverable. Drop hard bounces and bad mobiles.

Connect a CRM See the guides

Also via API

Node.js

Python

PHP

Java

cURL

HubSpot

Webhook on contact create

Salesforce

Lead & contact hygiene

Zoho

CRM + marketing lists

Pipedrive

Pipeline-ready deals

Odoo

Contacts & CRM apps

Notion

Free plan · database webhook

Zapier

Free plan · any app

Make

Free plan · scenarios

Product

Email and phone. One desk.

You have a number: is it really good to text? An email: can it really receive? Import the list. We verify. You leave with a clean file.

One workspace for list checks and the API. Same credits, same verdicts, ready for your next campaign or signup flow.

Try it free

Email lists that deliver

Phone numbers worldwide

Live check preview

ada.mbala@acme.com

Emails

KeepCan receiveDeliverable

Paste or Excel

Guided, not dumped

Verify your list.Send to real people.

Check a number or an email before you send.

Three steps. Then the clean file.

Import emails or phones in one go.

We verify every row, one by one.

Export only the contacts worth sending to.

Your CRM stays clean

Email and phone. One desk.