Email validation API

Hunter, free

Hunter's site llms.txt

$0.00per 1,000 emails

Plan: Free one of Hunter's 126 plans

Call: GET /email-verifier Hunter's only call

GET /email-verifierFree$0.00 per 1,000

About this item

A copy at most 1 month old. You get emails from Hunter's database.
Nothing to pay. You get 50 credits a month, enough for 100 calls a month. Unused credits expire: at the monthly reset, credits don't roll over.
One call. You send email, domain_metadata to GET /email-verifier. The call returns the answer if it's ready in time, or a job that another call reads.
Who can get it: anyone 18 or over. Keep data: with conditions. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000. Like this plan, each is live or a copy at most a month old.

	This planHunter, free	Anymail Finder, free	Clearout, free	Dropcontact, free	EmailListVerify, free, 100 free verifications, POST /api/verifyApiFile
$ per 1,000	$0.00	$0.00	$0.00	$0.00	$0.00
Billing	free	free	free	free	free
Pay	$0	$0	$0	$0	$0
Enough for	100 calls a month	500 calls, once	100 calls, once	50 results	100 results, once
Freshness	1 month	live	live	live	live
Who can get it	anyone 18 or over	businesses only, once per person, on picking a monthly plan with a card checked but not charged, subject to fraud checks	anyone	professionals acting within their activity (a natural person with the power to commit, or a legal person)	anyone 16 or over, or 13 to 15 with verifiable parental consent

Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-16.

Product details

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

Price
$ per 1,000	$0.00
Billing	free

Charges
Repeat free	the same billing month
Per	call

Not found
$ per 1,000	$0.00

Catch-all
$ per 1,000	$0.00

In their words
Their pitch	Verify any email address with a simple API call.

Data
Freshness	1 month
Keep data	Data minimization: not storing data beyond what is needed for the stated purpose.
Use data	B2B outreach and prospecting: identifying and contacting relevant professional contacts at target companies for legitimate business purposes, sales, marketing, partnership, or recruitment, where the individual is being contacted in their professional capacity. [...] CRM enrichment: verifying or enriching a company’s existing B2B contact database, where the individuals are professional contacts with whom a business relationship is sought or maintained. [...] Internal research and analysis: internal analysis of company-level contact patterns for legitimate business intelligence purposes. This does not extend to bulk export of individual-level personal data for redistribution, resale, or use outside the permitted purposes in this section. [...] API integration and testing: technical integration and testing of the API using test accounts and non-production data environments. [...] Prohibited: Sending unsolicited bulk commercial email using Hunter data, in violation of CAN-SPAM, CASL, the EU ePrivacy Directive, or equivalent applicable law. [...] Contacting individuals in a harassing, threatening, or abusive manner, facilitating stalking, doxing, or targeted harassment campaigns, sharing Hunter data in contexts designed to expose individuals to harm, ridicule, or unwanted public attention. [...] Processing Hunter data in violation of applicable data protection law, combining Hunter data with special category data to build legally non-compliant profiles, sharing or reselling Hunter data to third parties without prior written authorization from Hunter. [...] Using Hunter data for political campaigning, voter outreach, or micro-targeting based on inferred political opinions. [...] Using Hunter-sourced email addresses for credential stuffing, phishing, account compromise, or social engineering attacks. [...] Contacting individuals as private consumers rather than in a professional B2B context. Hunter’s database is limited to professional contact data and must not be used for B2C marketing. [...] Using Hunter data as the sole input to automated mass outreach sequences with no individualized relevance or genuine business purpose, i.e. spam with a company name attached. [...] Under this license you may not: Build a similar or competitive service without Hunter’s prior written consent.

Plan
Pay	$0
You get	50 credits a month
Enough for	100 calls a month
Expires	at the monthly reset, credits don't roll over

Rate limit
Per second	5
Batch	1

Speed
Answer	in the call or by polling

The call
You send	email, domain_metadata
Method	GET
Path	/email-verifier

About the plan
Plan	Free
Who can get it	anyone 18 or over

The 27 fields in the plan's answer

status, result, score, email, syntax valid, gibberish, disposable, free email, MX found, SMTP server reachable, SMTP check passed, catch-all, SMTP check blocked, verification ID, verification date, verification status, source ID, source domain, source URL, source first seen date, source last seen date, source still on page, deprecation notice, domain, company name, following domain, search parameters