Email validation API

Kitt AI, top-up, Pay As You Go, past 1M verifications a month

$0.40per 1,000 emailsThe median plan costs $5.24 per 1,000. This plan costs less than 95% of the 519 priced plans.

Plan: Pay As You Go, past 1M verifications a month one of Kitt AI's 3 plans

FreeFREE Forever$0.00 per 1,000
Top-up, Pay As You Go, first 1M verifications a monthPay As You Go, first 1M verifications a month$1.50 per 1,000
Top-up, Pay As You Go, past 1M verifications a monthPay As You Go, past 1M verifications a month$0.40 per 1,000

Call: POST /job/verify_email Kitt AI's only call

POST /job/verify_emailTop-up, Pay As You Go, past 1M verifications a month$0.40 per 1,000

About this item

Live. The call checks the email when you make it.
You buy a pack of credits, then spend them on calls. You get from the 1,000,001st call a month.
One call. You send email, realtime, callbackURL, customData, treatAliasesAsValid to POST /job/verify_email. You choose in the request: the answer in the response, or sent to a URL you give.
Who can get it: anyone 18 or over. Keep data: with conditions. Use data: with conditions.

Other providers' plans with the closest prices per 1,000. Like this plan, each is live.

	This planKitt AI, top-up, Pay As You Go, past 1M verifications a month	GetProspect, $369 pack	EmailListVerify, $1,980 monthly, 5,000,000 credits, GET /api/verifyEmailDetailed	MyEmailVerifier, $219 monthly, Monthly Subscription, 500,000 emails + 25,000 bonus, POST /verifier/upload_file	Enrich.so, $49 monthly
$ per 1,000	$0.40	$0.369	$0.396	$0.417	$0.49
Billing	pay first	pay first	monthly	monthly	monthly
Pay	any amount	$369	$1,980	$219	$49
Enough for	as many as you pay for	1,000,000 calls	5,000,000 calls a month	525,000 results a month	100,000 calls a month
Freshness	live	live	live	live	live
Who can get it	anyone 18 or over	anyone 16 or over	anyone 16 or over, or 13 to 15 with verifiable parental consent, after a demo request	anyone	anyone 18 or over, for an organization, someone with authority to bind it

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-17.

We list each column of this plan's row on the sheet that has a value.

Price
$ per 1,000	$0.40
Billing	pay first

Charges
Per	call

Not found
$ per 1,000	$0.40

Catch-all
$ per 1,000	$0.40

Bounce
Bounce refund	the money back, up to $20, after a support ticket with the addresses and a new check, if still unsatisfied

In their words
Their pitch	Verify virtually any Google, Microsoft or other B2B email for FREE

Data
Freshness	live
Keep data	no limit, but no collection, compilation, database or directory compiled from it without Kitt AI's written permission
Use data	contacting prospects only for business services and with their permission or consent, within GDPR, CCPA and CAN-SPAM, commercial endeavors only as Kitt AI endorses or approves them, never to compete with it or clone its service at a similar or lower price (value-added resale welcome), not to harass, abuse or harm a person

Plan
You get	from the 1,000,001st call a month

Rate limit
Concurrent	15
Batch	1

Speed
Answer	in the call or by webhook

The call
You send	email, realtime, callbackURL, customData, treatAliasesAsValid
Method	POST
Path	/job/verify_email

About the plan
Plan	Pay As You Go, past 1M verifications a month
Who can get it	anyone 18 or over

The 3 fields in the plan's answer

valid, SMTP verified, identity verified