Email Verification Pricing Explained: What You Pay per 1,000 Emails

Email verification pricing is easier to decode than most vendors make it look. You buy credits, one credit checks one address, and the price per credit drops as you buy more. What varies is the number: as of September 2026, the ten services we checked charge between about $1.20 and $12.90 per 1,000 emails for a 10,000-address pack, and between $0.45 and $3.20 per 1,000 when you buy a million at once. Most sit in the $2 to $7 range at small volumes.

That spread is not random. Some of it is brand, some is bundled tooling, and some is fine print: credits that expire, or charges for results the vendor couldn’t actually give you. Below: the pricing models, the details that change your real bill, a live price table, a worked example for a 50,000-contact list, and what you should expect for the money.

How we priced this

Every price below was read from the vendors’ own pricing pages on 2 September 2026. A few policy details (expiry rules, what isn’t charged) come from their help docs where the pricing page was silent. Prices change, so treat the table as a snapshot and click through before buying. Where a vendor shows a calculator instead of a fixed list, we entered 10,000, 100,000 and 1,000,000 and recorded what it displayed.

And a disclosure, because it’s the fair thing to do: we build Reoon Email Verifier, which appears in the table alongside its competitors. That is exactly why we’ve stuck to published prices you can check yourself, and why nothing here is a test result or an accuracy ranking. Every accuracy figure in this market, including ours, is self-reported.

The five ways vendors charge

Pay-as-you-go credit packs

The default. You buy a block of credits, use them when you like, and the per-credit price falls as the block grows. Bouncer is a clean example: 1,000 credits for $8, 10,000 for $60, 1,000,000 for $2,000, or $8.00, $6.00 and $2.00 per 1,000. Packs suit anyone who cleans in bursts: before a campaign, after an import, once a quarter.

Monthly subscriptions with a credit allowance

The same credits on a schedule, usually at a discount. Emailable takes 15% off any pack if you subscribe (5,000 credits for $32.30 a month instead of $38); Clearout’s Pro 10K plan is $40 a month for 10,000 credits, or $32 on annual billing. Some plans buy more than credits. ZeroBounce ONE starts at $99 a month with a 10,000-credit minimum and bundles warmup seeds, inbox placement tests, blacklist and DMARC monitors (tools for checking whether your own mail lands in the inbox) and email-finder searches. NeverBounce’s Growth plan, $49 a month for up to 10,000 emails, adds automated CRM syncing and AI scoring.

Subscriptions are the fair deal when your volume is steady. They are a quiet waste when it isn’t.

Daily-credit plans

You get a fixed number of credits every day, and whatever you don’t use disappears at midnight. Verifalia’s plans run from $9 a month for 250 credits a day to $499 a month for 25,000 a day (both billed yearly; monthly billing costs about 10% more); Reoon’s start at $9 a month for 500 a day. This is built for a steady trickle, such as a signup form or an API checking addresses as they arrive. It is a poor fit for someone who verifies 40,000 addresses on one Tuesday every three months.

Per-check API pricing

Most vendors charge the API from the same credit balance as bulk uploads; ZeroBounce and Emailable both state one credit per address whichever route you use. What changes by plan is often the speed limit rather than the price: Clearout’s free plan allows 3 verification requests a minute, its Pro 10K plan 55. If you’re integrating a form, check the rate limit as carefully as the rate.

Enterprise quotes, and verification bundled into something else

Above a threshold the calculator becomes a “contact us” button: over 1,000,000 credits at ZeroBounce, Emailable and Kickbox; NeverBounce steers teams doing 250,000 or more a month to its Enterprise plan, though its pay-as-you-go menu still runs to 2,000,000 credits. Then there is verification sold inside a bigger product. Hunter’s Starter plan is $49 a month for 2,000 credits; a verification costs half a credit, so that is up to 4,000 verifications a month alongside its email finder and outreach tools, with credits usable for 12 months. Good value if you wanted the finder anyway; an odd way to buy verification alone.

What a credit actually buys, and the fine print that moves the price

One credit, one email. Simple, until you read the terms. Five details change what you actually pay.

Expiry. NeverBounce states plainly that credits expire 12 months after purchase; Hunter’s last 12 months. ZeroBounce says credits never expire while you hold an active ONE subscription, and its documentation adds that for accounts created after 1 June 2026 without one, credits expire two years after the last payment or the last day of an active subscription. Bouncer, Clearout, DeBounce, Emailable, MillionVerifier, Verifalia and Reoon all state that purchased credits never expire. Kickbox’s pricing page doesn’t say, so ask before stockpiling. Daily-plan credits expire at the end of the day at both vendors that sell them.

Minimum purchase. Kickbox starts at 500 credits for $5, Bouncer and NeverBounce at 1,000. ZeroBounce’s minimum order is 2,000 credits, Emailable’s 5,000, and MillionVerifier’s smallest regular pack is 10,000 (there is a one-time 2,000-credit trial for $4.90). If you’re cleaning a 1,500-address newsletter list, this line alone rules out half the table.

Unknowns. Every verifier hits mail servers that refuse to answer, and the honest result is “unknown”. ZeroBounce, Bouncer, Kickbox, Emailable, Clearout and Reoon all say unknowns are free or refunded. MillionVerifier goes further and doesn’t charge for any “risky” result, catch-all addresses included, which is generous given how much of a B2B list can sit on catch-all domains. NeverBounce’s pricing page doesn’t state a policy. If your lists are heavy on corporate domains, this line can matter more than the headline rate.

Duplicates. Bouncer, Clearout, DeBounce and Verifalia remove duplicates free; Emailable refunds them after the job; NeverBounce makes them free on its Growth plan. A CRM export with 8% duplicates is 8% of your bill at a vendor that charges for them.

Credits per check. Not every check costs one credit. Verifalia’s standard check is one credit, its High quality level (three passes, longer waits on slow servers) two, and Extreme four. DeBounce charges 10 credits for a dedicated catch-all validation and 20 for data enrichment; Emailable’s inbox reports cost 100 credits; ZeroBounce’s email finder costs 20 per successful query. Read the “how credits work” section before you multiply.

One more line that isn’t on any pricing page: the cost is recurring. People change jobs and abandon inboxes, and a list loses a large share of its addresses every year, so a one-off clean is really the first of several. Price your year, not your first upload.

Email verification pricing snapshot: cost per 1,000 emails (as of September 2026)

Price per 1,000 addresses, with the pack price in brackets, at three pay-as-you-go volumes. Vendors are listed alphabetically.

Vendor	10,000	100,000	1,000,000	Purchased credits expire?	What’s in or around the price
Bouncer	$6.00 ($60)	$4.00 ($400)	$2.00 ($2,000)	Never	Unknowns and duplicates free; deliverability kit sold separately from $25/mo
Clearout	$6.50 ($65)	$4.00 ($400)	$1.40 ($1,400)	Never (deal-priced credits may expire)	One-time prices shown as “onwards”; subscriptions bundle an email finder and prospecting
DeBounce	$2.50 ($25)	$1.35 ($135)	$0.75 ($750)	Never	Duplicates free; catch-all validation costs 10 credits; prices include taxes
Emailable	$6.00 ($60)	$4.20 ($420)	$2.10 ($2,100)	Never	Unknowns and duplicates refunded; 15% off with a subscription; 5,000 minimum
Kickbox	$7.00 ($70)	$5.00 ($500)	$3.00 ($2,999)	Not stated	Unknowns free; SOC 2 and GDPR; support teams in the US and EU
MillionVerifier	$3.90 ($39)	$1.49 ($149)	$0.45 ($449)	Never	Risky results (unknown and catch-all) not charged; refund if hard bounces exceed 4%; 10,000 minimum
NeverBounce	$5.00 ($50)	$4.00 ($400)	$2.50 ($2,500)	12 months	Priced per credit; Growth plan ($49/mo) adds CRM sync, AI scoring and free duplicates
Reoon	$1.19 ($11.90)	$1.16 ($116.40)	$0.96 ($960)	Never	Unknowns free; 20 free credits a day; daily plans from $9/mo
Verifalia	$4.99 ($49.90)	$3.89 ($389)	$1.49 ($1,490)	Never	Standard check = 1 credit, High = 2, Extreme = 4; duplicates free
ZeroBounce	$12.90 ($129)	$6.49 ($649)	$3.20 ($3,199)	Never with an active ONE subscription; otherwise expiry rules apply	Unknowns free; 24/7 support; ONE plan ($99/mo) bundles warmup, inbox tests and monitors

Sources: Bouncer, Clearout, DeBounce, Emailable, Hunter, Kickbox, MillionVerifier, NeverBounce, Reoon, Verifalia, ZeroBounce. All checked 2 September 2026.

A few things the table can’t show. ZeroBounce’s rate funds 24/7 support, a long list of security certifications, and a subscription bundling tools that Bouncer sells as a separate kit; if you’d buy those anyway, the gap narrows. Verifalia’s figure assumes standard checks; a deep clean at Extreme quality costs four times that. MillionVerifier’s rate looks better still once you remember that risky results are free. Compare the whole row, not one cell.

A worked example: 50,000 contacts, cleaned quarterly

Say you have a 50,000-contact list. You verify it now and re-verify the whole thing every quarter, a reasonable cadence for a list that gets regular sends. That is four runs in a year, or 200,000 verifications. Taking three points from the 100,000 column, since you’d buy in that range:

• At $1.49 per 1,000 (MillionVerifier’s 100,000 pack): about $298 a year.
• At $4.00 per 1,000 (Bouncer, Clearout or NeverBounce at 100,000): $800 a year.
• At $6.49 per 1,000 (ZeroBounce at 100,000): about $1,298 a year.

Three things push the real figure lower: unknowns being free (if, say, 5% of a corporate list comes back unknown, that is 5% off the bill at the vendors that don’t charge for them), re-checking only addresses older than 90 days, and non-expiring credits that let you buy one larger pack and spread it across the year. One thing pushes it higher: buying 50,000 at a time from a vendor whose credits expire in 12 months, then letting a pack lapse. Set any of these numbers against what a 5% bounce rate does to your sender reputation, plus what your email platform charges to store dead contacts, and verification is almost always the smaller bill.

What you should get for the money

Compare price last. Two services at $4 per 1,000 can deliver very different results, and the differences sit in the hard cases. Our guide to choosing an email verification service covers the full criteria; the short version, framed as what the price should include:

• Catch-all handling. Catch-all domains accept mail for any address, so a basic check learns nothing. A verifier that digs deeper (retries, waits out greylisting, the “try again later” reply some mail servers give on first contact, and scores the domain) costs more to run, and that is worth paying for. One that dumps them as “unknown” is doing less work than its price implies, especially if it charges for those unknowns.
• Disposable and spam-trap detection. Temporary inboxes and trap addresses are where reputation damage lives. Ask how disposable domains are detected (a static list goes stale within weeks) and whether spam-trap flags are included at every tier.
• Speed that fits your workflow. Bulk turnaround for campaign prep, sub-second latency for a signup form. Look up the rate limit on the plan you’d actually be on; the headline speed claim rarely applies to the entry tier.
• Data handling. Your upload is other people’s addresses. Encryption, a stated retention period and a data processing agreement (the contract that says what the vendor may do with the addresses you upload) should already be on the website. If you have to ask for them, that tells you something.
• Support. When a 200,000-row job stalls the night before a send, a 24/7 chat is worth real money. Some vendors fund it through the rate; know which.

Only after those are settled does structure matter: non-expiring credits if you clean in bursts, a subscription if your flow is steady, no charge for unknowns if your list is corporate, an API that isn’t locked behind a higher tier. And because every accuracy figure in this market is self-reported (ZeroBounce advertises 99.6%, MillionVerifier 99%+, Reoon 99%+), the only number worth trusting is the one you measure. We’ve published a one-hour method for testing verifier accuracy on your own list; it works on any vendor in the table. For the two biggest names side by side, see our ZeroBounce vs NeverBounce comparison.

Where Reoon fits

Reoon is one row in that table, so here is our pitch, held to the same rules as everything above. The capability is the premium kind: bulk and real-time verification, deeper SMTP-level checks in Power Mode, including catch-all detection, disposable and spam-trap detection, and an advertised 99%+ accuracy. The rate is affordable rather than premium: $11.90 for 10,000 credits, $116.40 for 100,000, with the full list on the product page linked under the table. Purchased credits never expire and unknown results are never charged.

What we’d point to first, though, is the free tier: 20 credits every day for the life of the account plus 100 instant credits at signup, up to 600 free verifications a month, with no credit card. That is enough to run the accuracy test above on a real sample of your own list before you pay anyone, including us. You can create a free account and have a first sample checked within the hour. If the results hold up against a known-good and known-bad set, you’ll know what you’re buying. If they don’t, you’ve lost an hour and nothing else.

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