Byteplant Email Validator vs mailboxlayer (2026): which should you pick?
As of Nov 13, 2026, Byteplant Email Validator grades higher than mailboxlayer: 2.0 against 1.8 out of 4.0.
Checked Nov 12, 2026 and Nov 13, 2026 · graded Nov 12, 2026 and Nov 13, 2026 by ToolGPA
Byteplant Email Validator grades higher on features and ease of use. mailboxlayer grades higher on value for money. They get the same grade on the free plan and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
Byteplant Email Validator
Email address validation by bulk list or real-time API
mailboxlayer
Email validation API that returns a JSON quality score
Which one is for you
Pick Byteplant Email Validator if
- Fits if you want catch-all and greylisting tests on a big list
- Works for teams that want data deleted after checking
Look elsewhere if
- Pricey if you check small lists, since the page starts its calculator at 50,000 credits
- Watch out: the page showed euros from India and dollars weren't confirmed
- Watch out: a monthly subscription exists but its prices weren't read
- Skip it if you want integrations, as only Zapier is listed
Pick mailboxlayer if
- Fits if you are a developer who wants to check addresses at sign-up
- Works for side projects that stay under 100 requests a month
Look elsewhere if
- Not for you if you want to upload a list, because there is only an API
- Tight if you stay free, with 100 non-commercial requests
- Pricey if you want bulk: it starts at $74.99 a month
- Watch out: the homepage text mentions 1,000 free requests and $9.99 plans that the pricing page does not show
- Watch out: every address counts as one request
How we grade them
| 2.0GPAByteplant Email ValidatorFair | 1.8GPAmailboxlayerWeak | |
|---|---|---|
| Value for money | D€499.50 for 50,000 credits, about €0.00999 each, when other checkers sell 10,000 for $10 to $30. We graded it on the euro price shown. | CBasic is $14.99 a month for 5,000 requests, between the $10 cheaper quarter and the $17.99 middle. Professional Plus is $74.99 and Enterprise Plus $249.99, all billed monthly with yearly at a discount. |
| Free plan and trial | C1,000 free checks with no card, once. No free plan. | CFree is 100 API requests, non-commercial, with no support and no catch-all detection. Commercial use needs Basic. |
| Features | BEnd-to-end checks, catch-all and greylisting tests, disposable and misspelled domains, API, de-duplication and data deletion. The listing names no gap. | CSyntax, SMTP, disposable and role checks with a score. No list upload exists, and catch-all detection and bulk need paid plans. |
| Ease of use | CNo store rating on record. You upload lists or call the API. | DNo store rating on record. It is an API only, so you need code to use it. |
| Platforms and integrations | CWeb and API with only Zapier listed. No apps. | CWeb API only. No apps and no integrations are listed. |
| Best for | thorough list checks with catch-all and greylisting tests | an email check API for developers |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Byteplant Email Validator and mailboxlayer. How we grade
Where they differ
At a glance
| Byteplant Email Validator | mailboxlayer | |
|---|---|---|
| Pricing | Free trial | Free plan |
| Starts at | €0.00999 per credit at 50,000 credits (€499.50), shown in euros | $14.99 per month for 5,000 requests |
| Free plan | None | 100 API requests, for non-commercial use only. |
| Free trial | 1,000 free email address checks, no credit card required | None listed |
| Web | ||
| Made by | Byteplant GmbH | APILayer |
| Price read from | byteplant.com | mailboxlayer.com |
| Checked | Nov 13, 2026 | Nov 12, 2026 |
Worth knowing
Byteplant Email Validator
- The pricing page loads its prices with a calculator and showed euros from India; US dollars were not confirmed.
- A monthly subscription option exists, but its prices were not read.
- A 30-day money-back guarantee is stated for orders.
- Orders over the largest tier shown are quoted individually by email.
mailboxlayer
- An API only: there is no list upload or bulk cleaning page, and the bulk endpoint starts at Professional Plus.
- The free plan is 100 requests and non-commercial; the homepage text mentions 1,000 free monthly requests and subscriptions from $9.99, which the pricing page does not show.
- Each address checked counts as one API request; overage is listed as a per-request charge on the pricing page.
- Yearly billing is discounted by 10% to 15% depending on the plan.
Key features
Byteplant Email Validator
- End-to-end deliverability check
- Checks run from syntax and DNS or MX lookup through to SMTP mailbox existence checking.
- Catch-all and greylisting tests
- Identifies domains that accept all mail and detects greylisting and temporary unavailability.
- Disposable and misspelled domains
- Detects disposable email addresses and misspelled domains, including typosquatting.
- Real-time API
- Live checks are available around the clock, with typical API responses within 750ms and a stated 99.9% availability.
- List cleaning and de-duplication
- Cleans CRMs and databases in bulk and removes duplicates; Zapier is listed for integration.
- Data deletion
- Says it deletes personally identifiable end-user information within 14 days after the data is provided.
mailboxlayer
- Syntax and typo check
- Validates format and returns a did-you-mean suggestion for common typos.
- Real-time SMTP check
- Pings the address's mail server and tests it for catch-all configuration; catch-all detection is not in the free plan.
- Free and disposable filters
- A daily-updated provider database flags addresses at free providers such as Gmail and at disposable ones such as Mailinator.
- Role detection
- Flags role addresses that map to a function instead of a person.
- Quality score
- Each response includes a numeric score for the address's quality and deliverability.
- Usage statistics
- Daily and monthly request counts, with notifications when a plan's allowance runs low.
Plans
Byteplant Email Validator
Pay As You Go€499.50
one-time for 50,000 credits, used as you go
Shown in euros; €0.00999 a credit falls to €0.00899 above 160,000 credits. Credits never expire.
mailboxlayer
Free$0
100 API requests, non-commercial use, no support, no catch-all detection.
Basic$14.99
per month for 5,000 requests, billed monthly
Commercial use, standard support and catch-all detection. Yearly billing is $161.99.
Professional Plus$74.99
per month for 50,000 requests, billed monthly
Adds a bulk endpoint that takes 25 emails at a time. Yearly billing is $787.99.
Enterprise Plus$249.99
per month for 250,000 requests, billed monthly
Bulk endpoint of 100 emails per call. Yearly billing is $2,549.99.
CustomCustom
Unlimited requests and dedicated support, quoted by the vendor.
Ways to pay less
Byteplant Email Validator
No public discounts listed.
mailboxlayer
- Annual discount
Save 10% to 15% with yearly billing
The pricing page shows yearly totals with discounts of 10% (Basic), 12.5% (Professional Plus) and 15% (Enterprise Plus).
Common questions
Which is cheaper, Byteplant Email Validator or mailboxlayer?
As of Nov 13, 2026, Byteplant Email Validator starts at €0.00999 per credit at 50,000 credits (€499.50), shown in euros, and mailboxlayer starts at $14.99 per month for 5,000 requests.
Which has a free plan, Byteplant Email Validator or mailboxlayer?
As of Nov 13, 2026, only mailboxlayer has a free plan. Byteplant Email Validator does not, though it has a free trial.
More comparisons
How this page was made
- The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
- The grades are our own, from each tool’s review or report card. The GPA is their average.
- Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
- The differences and the answers to the questions are worked out from those listings.