MailInput pricing: email verification API

MailInput's site llms.txt Email validation API: 180+ verification providers compared MailInput: email verification API alternatives

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50% complete: 3 of the 6 key fields we checkSee the 6 fields

$0.00per 1,000 emailsWe haven't run MailInput through our email verification API benchmark yet.This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.Disify's $9 monthly plan (/email) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in the Datacircle benchmark.

Plan: Free MailInput's only plan

FreeFree$0.00 per 1,000

Call: GET /api/v1/email-verifier/{email} MailInput's only call

GET /api/v1/email-verifier/{email}Free$0.00 per 1,000

API: Email verification API MailInput's only API

Email verification API

About this item

Live. MailInput checks the email when you call the API.
3 of the 6 key fields we check. Address, Deliverability, Company.
Nothing to pay. You get 6,000 requests a month.
One call. You send email to GET /api/v1/email-verifier/{email}. The call returns whether the address takes mail.
Anyone can get it. Keep data: no API terms. Use data: no API terms.

MailInput: email verification API alternatives

MailInput alternatives: every email verification API provider ranked

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives live data.

	This planMailInput, free	MailTester Ninja, free, No token	Enrich.so, free, POST /email-validation	GetProspect, free, POST /v2/email-verifications	Sealch, free, POST /api/verify	Kitt AI, free
$ per 1,000 emails	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Completeness	50%	50%	50%	50%	17%	17%
Billing	free	free	free	free	free	free
Pay	$0	$0	$0	$0	$0	$0
Enough for	6,000 calls a month	300 calls a month	100 calls, once	100 results a month	200 calls, once	no limit
Freshness	live	live	live	live	live	live
Who can get it	anyone	anyone at least 18 years old, or the age of majority in their jurisdiction	anyone 18 or over, on a new account, for an organization, someone with authority to bind it	anyone 16 or over	anyone	individuals and small businesses 18 or over, one free account each

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

Address
Deliverability
Confidence, not in the answer
Name, not in the answer
Place, not in the answer
Company

Price
$ per 1,000 emails	$0.00
Per	call
Billing	free

Aggregators
Aggregators	none

Charges
Also pays for	from the same budget: Disposable Email API

Not found
$ per 1,000	$0.00

In their words
Their pitch	Prevent bounced emails and low-quality users with FREE professional-grade email verifier API

Data
Freshness	live
What it checks	format, mail servers, disposable domains, mailbox
Keep data	no API terms
Use data	no API terms

Plan
Pay	$0
You get	6,000 requests a month
Enough for	6,000 calls a month

Rate limit
Per day	200
Batch	1

Speed
Answer	in the call

The call
You send	email
Method	GET
Path	/api/v1/email-verifier/{email}

About the plan
Plan	Free
Who can get it	anyone

The 14 fields the plan's answer can hold

email address, deliverable, status, regexp, disposable, catch-all, free email, role, MX records, SMTP server, SMTP check, block, username, domain