Say goodbye to bounces, duplicates, spamtraps, invalid and low-quality data...

Captain Verify is the best solution to Verify the validity of your emails & mobile numbers very easily.
Captain Verify Service

More than 15,000 companies trust us, why not you?

More than 15,000 companies trust us, why not you?

Check the validity of your emails quickly

With Captain Verify, check & clean your lists mailings quickly. Say goodbye to the invalid addresses, badly seized/spelled, Hardbounces and others spamtraps, honeyPots. Simple, fast and secure service to improve your deliverability.
Avoid losing conversions by keeping your invalid emails. Refine your data as quickly as possible in order to better segment your lists mailings. Captain VERIFY allows you to optimize your marketing campaigns and boost your king.
Check a single email address with our Mail Test, import your email list or validate new emails in real time with our API.
We checked more than 80 million emails last year. We can also clean your list.
Check the validity of your emails
Check your mobile phone numbers

HLR Lookup: Check your mobile phone numbers

Check the availability of mobile phone numbers before contacting them. Captain Verify controls the validity of your numbers to operators (even in the event of portability) by sending a type of type HLR lookup on the mobile network.
For a successful marketing SMS campaign, it is essential to target good contacts. Thus, before sending SMS, we advise you to check the validity of the numbers and make sure that your message will be well received by your audience.
Analyze your database

Our mission: Analyze your database

Captain Verify helps you improve the quality of your database thanks to a specific statistical report. We analyze email addresses to determine if they are valid, invalid, unknown, free, risky, or disposable. In addition, we also examine the mobile numbers to verify their accuracy.
Secure verification in accordance with the GDPR

Secure verification in accordance with the GDPR

We strive to secure the privacy of our customers and their data (in accordance with GDPR) and to use the latest security standards. Our servers are located in France 🇫🇷 and ISO 27001 certified and all the information transmitted is encrypted.

Customer Reviews

This is what our customers think of CaptainVerify.

Meelo is a service company fighting against fraud and unpaids in the banking, automotive, distribution, etc. Our problem is to be able to certify the existence and reliability of a telephone number, as well as to use information such as the telephone operator, portability information, etc. in our various scoring algorithms, allowing the end recommend the acceptance or refusal of the financing file. We use the Captain Verify API in production currently for one of our large accounts carrying out thousands of files / months. We are widely satisfied with the results obtained.

Benjamin of Meelo
Benjamin of Meelo

Co-manager of a web agency, we have been using CaptainVerify services for several years and there is no need to say it is essential and above all the tool is great! The ergonomics and simplicity of the platform are a real plus, and we have no more concern for deliverability. This allows us to wash the basics of our customers (emails and mobile numbers) and thanks to this more mass sending accounts blocked due to poor deliverability. An essential if we use the email and sms channel!

Clotilde of Jadéclo
Clotilde of Jadéclo

Marketing Manager in a company specializing in entertainment on the web. Our company had collected hundreds of thousands of email addresses that had not been operated. I had to find a solution to clean this immense mail base before I could launch my email marketing campaign. I found a simple and very effective online solution: I was able to start with confidence in the campaigns and the results were very good.

Karine R
Karine R

Manager of a web agency, it is very important to have a good deliverability. It is essential to do a clean up of its mailling list to optimize its email marketing strategy. I recommend Captain to all my clients, it is an indispensable service.

Gregory P.

I regularly use large databases to promote the activity of my clients. The quality of the bases is not always at the rendezvous, the penalties of mail servers, arrive quickly. So we looked for a solution to make the bases cleaner. We used Captain Verify which in use proved to be a reliable and great tool we recommend!

Laurent S.

Thanks to Captain Verify, I was able to segment my marketing base. I have a small ecommerce website, emails are often used for commercial purposes and I was able to lower my bounce rate and remove my duplicates quite easily.

Géraldine E.

To check the validity of your data. register now
100 free email credits