Email validation API

NeverBounce, $499 monthly, Growth, up to 500,000, GET /single/check

NeverBounce's site llms.txt

$0.998per 1,000 emailsThe median plan costs $4.82 per 1,000. This plan costs less than 86% of the 660 priced plans.

Plan: Growth, up to 500,000 one of NeverBounce's 18 plans

Call: GET /single/check one of NeverBounce's 2 calls

About this item

Live. The call checks the email when you make it.
A subscription billed every month. You pay $499 for 500,000 credits a month, enough for 500,000 calls a month.
One call. You send email, address_info, credits_info, timeout to GET /single/check. The call returns whether the address takes mail.
Who can get it: business use only, 18 or over. Keep data: no limit. Use data: with conditions.

Compare with similar plans

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

	This planNeverBounce, $499 monthly, Growth, up to 500,000, GET /single/check	Anymail Finder, $4,990 pack	Clearout, $10,000 pack	Gamalogic, $1,000 pack, Pay As You Go, 1,000,000 Credits, POST /batchemailvrf	Voila Norbert, pay as you go, Verify pay-as-you-go, above 500k emails
$ per 1,000	$0.998	$0.998	$1.00	$1.00	$1.00
Billing	monthly	pay first	pay first	pay first	pay as you go
Pay	$499	$4,990	$10,000	$1,000	per call
Enough for	500,000 calls a month	5,000,000 calls	10,000,000 calls	1,000,000 results	as many as you pay for
Freshness	live	live	live	live	live
Who can get it	business use only, 18 or over	businesses only	not new users	anyone 18 or over, with authority to bind their organization when using it for one	anyone 18 or over

Sources

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

Product details

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

Price
$ per 1,000	$0.998
Billing	monthly
$ a month	$499

Charges
Per	call

Not found
$ per 1,000	$0.998

Catch-all
$ per 1,000	$0.998

In their words
Their pitch	Our verification API allows you to create Custom Integrations to add email verification to any part of your software. We offer solutions for verifying individual emails as well as lists containing thousands or even millions of emails.

Data
Freshness	live
Keep data	no limit
Use data	You agree not to violate Applicable Laws or the rights of any person when using the Services. [...] You agree not to give the information you get through NeverBounce to unauthorized third parties. [...] You agree not to use the Services or the results thereof for any purpose except for your business-to-business sales, marketing, recruiting, or business development activities. [...] By using the Site and the Services, you agree that you will not: Violate any Applicable Laws, including but not limited to using any data provided through the Services in a manner that violates the U.S. CAN-SPAM Act of 2003, as such statute may be amended from time to time, or any other law regarding electronic communications, [...] Use the Services to verify email addresses that you have obtained unlawfully or that you are not authorized to possess or process, [...] Engage in any activities through or in connection with the Services that [...] (iv) are otherwise objectionable to NeverBounce (including, without limitation, for purposes of sending unsolicited advertising or distributing email messages in violation of Applicable Laws), [...] Harvest or otherwise collect or store any information through the Site (including email addresses or other personal data), other than Uploaded Data submitted in connection with your authorized use of the Services. [...] 16.2 Marketing: You hereby authorize us to use your company name and logo for our marketing efforts unless and until such authorization is revoked by you in writing.

Plan
Pay	$499
You get	500,000 credits a month
Enough for	500,000 calls a month

Rate limit
Batch	1

Speed
Answer	in the call

The call
You send	email, address_info, credits_info, timeout
Method	GET
Path	/single/check

About the plan
Plan	Growth, up to 500,000
Who can get it	business use only, 18 or over

The 38 fields in the plan's answer

success, error message, status, did you mean, execution time, retry token, DNS found, MX found, syntax valid, free email, profanity, role address, disposable, government address, academic address, military address, international domain, squatter domain, spelling mistake, bad DNS, temporary DNS error, SMTP server reachable, catch-all, address tag, subdomain, spam trap, historical result, email, normalized email, local part, domain, fully qualified domain name, domain without TLD, top-level domain, paid credits used, free credits used, paid credits remaining, free credits remaining