Best for startups

Free Email Verification Tools

Which email verification tools give a startup free checks today, how many and how often, whether they work through the API, whether a card is needed and what paid credits cost, read from each tool's own page.

13email verification tools with a free allowance
4tools with free checks that renew
9tools with free credits

Free allowances read on each provider's own pages, all checked on or after . Email verification tools change their free credits from time to time: confirm the terms on the tool's page before you clean a list with it.

Email verification tools that give free checks today include ZeroBounce (100 validations a month), MailVeri (1,000 free credits on signup), MyEmailVerifier (100 free verifications a day), Emailable (250 free credits on signup), and Verifalia (25 verifications a day). Each of the 13 free allowances below links to the tool's page that states it, with its main limit, whether it works through the API, whether a card is needed and what paid credits cost.

Verifying a list before you send to it protects the sending domain: fewer bounces, fewer spam complaints, better inbox placement. Most email verifiers give free checks to start, enough for a signup form or a first small list.

The headline rarely tells you how far it goes. Some free checks renew every day or every month, others come once at signup, and some cover single checks but not bulk lists or the API. Each tool below shows what is free, its main limit, whether it works through the API, whether a card is needed and what paid credits cost, quoted from the tool's own page with the date we read it.

Which tools we picked and the order they appear in are our editorial choices; the terms are the tools'. Some of these tools pay us a referral commission when someone signs up through our link: those links are labeled, and they play no part in which tools are listed or where.

Free checks that renew

Email verifiers with free checks every day or month

Verifiers whose free verifications renew every day or every month.

  1. 1

    ZeroBounce

    Monthly validations on a standing free plan

    ZeroBounce's Freemium plan gives 100 free monthly validations, and its credits refill every month. Pay as you go starts at $39 USD for 2,000 addresses.

  2. 2

    MyEmailVerifier

    A free allowance that renews every day

    MyEmailVerifier gives 100 complimentary email verifications daily to verified users, and no credit card is required to sign up.

  3. 3

    Verifalia

    Small daily allowance for trying the service

    Verifalia's Free plan lets you verify up to 25 email addresses per day. Its daily free credits expire at the end of each day if they are not used.

  4. 4

    Hunter

    Monthly credits, shared with its lead search

    Hunter's free plan gives 50 credits a month, and the credits reset monthly without rolling over. The same credits are counted when you use its API.

One-time free credits

Email verifiers with free credits to start

Verifiers that give free credits once, or a trial, before you buy credits.

  1. 1

    MailVeri

    The largest one-time grant, and credits never expire

    MailVeri gives 1,000 free credits on signup, and no credit card is required. Its credits never expire, and at 10,000 emails MailVeri costs $9.

    Start free at MailVeriReferral linkTerms read on mailveri.com on MailVeri: the free allowance and how to start
  2. 2

    Emailable

    A quick sample of a list before buying

    Emailable gives every new account 250 free credits to verify a sample of a list. Its credits never expire, and 5,000 credits cost $0.0076 each on pay as you go.

    Start free at EmailableReferral linkTerms read on emailable.com on Emailable: the free allowance and how to start
  3. 3

    MillionVerifier

    100 free checks with no card, credits never expire

    MillionVerifier gives 100 free credits when you create a free account, and no credit card is required. Its credits never expire, and its bulk plans are listed from $39.

  4. 4

    DeBounce

    Checks with API access and no card to start

    DeBounce gives 100 free credits when you sign up, and no credit card is required. Its credits never expire, and the API needs no separate credits to buy.

  5. 5

    Bouncer

    Clean a small list with no card and no expiry

    Bouncer gives 100 free credits to start, and no credit card is required to start. Its credits never expire, and the FAQ says you can start as low as $8 for 1,000 addresses.

    Start free at BouncerReferral linkTerms read on usebouncer.com on Bouncer: the free allowance and how to start
  6. 6

    Kickbox

    A first 100 verifications to test the service

    Kickbox says your first 100 verifications are free. Its pricing table lists 500 verifications for $5.

  7. 7

    Clearout

    100 free credits to test, and they never expire

    Clearout gives a new free account 100 credits, and its credits never expire.

  8. 8

    EmailListVerify

    100 free checks to clean a small list

    EmailListVerify offers 100 free verifications on its pricing page. The page states no card or expiry terms for that allowance, so check them at signup.

    Start free at EmailListVerifyReferral linkTerms read on emaillistverify.com on EmailListVerify: the free allowance and how to start
  9. 9

    NeverBounce

    Free test credits, with no card to start

    NeverBounce offers free test credits to start, and no credit card is needed to verify a first list. Its pay as you go credits cost $8 per 1,000 and expire 12 months after purchase.

Referral offers

Also useful for sales and outreach

Referral links, picked for fit and ordered by fit (70%) and what a signup earns us (30%), at no cost to you. They never change this page's ranking.

Head to head

Compare the top options

Methodology

How this comparison is built

The list covers email verification tools a founder can use for free today without applying to a program. The order and the "best for" notes are our editorial reading of each tool's terms. Every term comes from the tool's own pricing or help page on the date shown, never from a third-party list; follow each link for the full conditions. Whether free checks renew every month or come once, and whether they cover bulk lists or the API, can matter more than the headline, so the comparison quotes them wherever the tool states them. Some of these tools pay StartupPerks a referral commission, and their links are labeled as referral links; that decides neither whether nor where a tool appears, and no tool pays for a placement on this page.

Read the full methodology
Questions

Common questions

What is the best free email verifier?

It depends on whether you check addresses as they come in or clean one list. By the terms each tool states, MyEmailVerifier gives 100 free verifications a day, Verifalia 25 a day, ZeroBounce 100 validations a month and Hunter 50 credits a month, while MailVeri gives 1,000 credits once at signup and Emailable 250.

Is ZeroBounce free?

ZeroBounce's free plan includes 100 validations a month that refill every month, and its real-time API uses the same credits. Pay as you go starts at $39 for 2,000.

Is NeverBounce free?

NeverBounce gives free test credits to start without a card, but its page does not state how many. Paid credits cost $8 per 1,000, pay as you go, and purchased credits expire in 12 months.

Do free email verification credits expire?

It differs. Emailable, MillionVerifier, DeBounce, Bouncer, Clearout and MailVeri say their credits never expire, while daily and monthly allowances such as Verifalia's and Hunter's do not roll over.

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StartupPerks is a comparison tool and is not endorsed by the programs it lists. It is a referral partner of some providers, and those links are labeled where they appear. AITraining.jobs and Founden are run by the same company as StartupPerks: their listings are free, ranked by the same rules as every other program, and labeled "Same owner as StartupPerks" wherever they appear. Values and eligibility are aggregated from each provider's public pages and can change or be incomplete. Always confirm the current terms and your eligibility on the provider's own page before applying.