--- title: mailboxlayer API Reviews meta_title: 'mailboxlayer API Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 11 reviews by the users' company size, role or industry to find out how mailboxlayer API works for a business like yours. aggregate_rating: rating_value: 4.3 review_count: 11 scale: '5' date_modified: '2026-11-11' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity ---

mailboxlayer API Reviews & Product Details

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Pricing

Pricing provided by mailboxlayer API.

Free Plan

Free
Per Month

Gold Plan

$14.99
Per Month

User Insights

Average based on 11 real user reviews.

Perceived Cost

$$$$$

Typical contract price

$0k - $0k

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Per Month

mailboxlayer API Reviews FAQs

Generated using AI

Last updated: Nov 04, 2026

What is mailboxlayer API, and what problem is it built to solve?

mailboxlayer API is used to verify email addresses and identify fake or spam-prone addresses in mailing lists. This helps teams keep their lists usable for email campaigns.

Does mailboxlayer API offer an open API, and what does it integrate with?

mailboxlayer API does not offer an open API.

mailboxlayer API Reviews (11)

Reviews

mailboxlayer API Reviews (11)

4.3
11 reviews

What do users say?

Generated using AI from real user reviews
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AMIT K.
AK
AMIT K.
Manager
Small-Business (50 or fewer emp.)
"Mailboxlayer API is a great application for validating email addresses."
4.5/5
What do you like best about mailboxlayer API?

Mailboxlayer is quite simple to use, and its documentation is useful. If you’re familiar with calling API’s, you shouldn't have issue in using it. It is a good application for identifying spammy and fake email list from the database and helps in removing those list, which finally increases the overall performance of our email marketing campaign. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

I have had no issues while using Mailboxlayer. It is simple and perfect tool for verifying email list. Review collected by and hosted on G2.com.

Mike P.
MP
Mike P.
Director of Digital Strategy
Small-Business (50 or fewer emp.)
"Very easy, free email verification"
4.5/5
What do you like best about mailboxlayer API?

The API is simple to integrate and returns accurate results for my email campaigns. Helps to keep my mail list clean and my bounce rate low. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

Depending on the size of your list and how fast it grows, you may be facing a big price increase between tiers. Keep in mind that the price is worth it if you need quality email data. Review collected by and hosted on G2.com.

SEEMA C.
SC
SEEMA C.
Social Media executive
Small-Business (50 or fewer emp.)
"Simple and Easy to use email verification Application"
4.5/5
What do you like best about mailboxlayer API?

This application is good for the validation of emails to do perfect email marketing, as it helps in removing unnecessary spammy emails from the list. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

The pricing of the application is high for a newbie. Otherwise the application is good for email verification. Review collected by and hosted on G2.com.

POOJA V.
PV
POOJA V.
Small-Business (50 or fewer emp.)
"Its a Very simple as well as efficient tool"
4/5
What do you like best about mailboxlayer API?

The API to utilize is easy and really does what it really you need it to complete with no extras that a lot of other alternatives come with. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

No dislike as of now mailbox layer is a great tool for verification. Review collected by and hosted on G2.com.

JAGDEEP S.
JS
JAGDEEP S.
Small-Business (50 or fewer emp.)
"Excellent software for the verification of emails"
3.5/5
What do you like best about mailboxlayer API?

It's fairly handy to make use of and very essential for all businesses which they can perform along with substantial email lists. This certain software aids us to make sure every single e-mail, in the truly powerful way, bettering the status from the business or maybe the buyer to market our brand name identify The applying is potent and will come with beneficial features that make e-mail validation a breeze. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

With Mailboxlayer, I've experienced no difficulties. All issues are functioning great for me. Review collected by and hosted on G2.com.

SACHIN G.
SG
SACHIN G.
Digital Marketing Consultant
Mid-Market (51-1000 emp.)
"Good application for the validation of emails"
4/5
What do you like best about mailboxlayer API?

It is quite convenient to use and extremely necessary for all companies that they can work together with massive email lists. This specific application helps us to ensure every e-mail, in a really effective way improving the reputation of the company or perhaps customer to promote our brand name The application is powerful and comes with useful functions which makes e-mail validation a breeze. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

With Mailboxlayer, I have had no challenges. All things are working fine for me. Review collected by and hosted on G2.com.

Callum B.
CB
Callum B.
Portfolio Management -Support Engineer
Financial Services
Small-Business (50 or fewer emp.)
"Simple and effective"
5/5
What do you like best about mailboxlayer API?

The API to use it is simple and does what it you need it to do without the frills that most others solutions comes with. Returns just a simple JSON string that you can use how you want. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

Their pricing plan has some huge jumps meaning if you are between their small and medium plans you could be paying a lot more than what you want to. Outside of this there's nothing really to dislike! Review collected by and hosted on G2.com.

Verified User in Accounting
AA
Verified User in Accounting
Enterprise (> 1000 emp.)
"No simplicity"
2/5
What do you like best about mailboxlayer API?

The service ultimately does what it’s intended to do. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

You would think it would be a straightforward email marketing program. Yet important functions such as copying and pasting links, uploading photos, is unreliable as they don’t always reach the customer. Review collected by and hosted on G2.com.

LG
Lilian G.
Marketing Specialist
Small-Business (50 or fewer emp.)
"A Great Tool"
5/5
What do you like best about mailboxlayer API?

The tool is powerful and comes with useful features that makes email verification a breeze. Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

With Mailboxlayer, I have had no issues. Review collected by and hosted on G2.com.

Verified User in Higher Education
UH
Verified User in Higher Education
Enterprise (> 1000 emp.)
"Very easy to use"
5/5
What do you like best about mailboxlayer API?

No ads and easy to navigate around the site Review collected by and hosted on G2.com.

What do you dislike about mailboxlayer API?

Sometimes it’s annoying to get help when I don’t understand how to send out mass emails Review collected by and hosted on G2.com.

Questions about mailboxlayer API? Ask real users or explore answers from the community

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What is mailboxlayer API used for?

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Pricing Options

Pricing provided by mailboxlayer API.

Free Plan

Free
Per Month

Gold Plan

$14.99
Per Month

Diamond Plan

$74.99
Per Month