Email Verification API Pricing at 2K, 10K, and 100K Validations (2026)

Email-verification prices are not directly comparable until the volume and billing shape are fixed. A $39 credit pack, a $50 monthly plan, and a bundled deliverability subscription may all be reasonable, but they buy different kinds of capacity.

This price snapshot compares publicly listed USD outlay for 2,000, 10,000, and 100,000 verification attempts. It was checked on October 2, 2026 and uses current first-party sources only. It does not compare accuracy, latency, support quality, or deliverability outcomes.

Direct price comparison

Unknown means the exact first-party value could not be verified from accessible public content. It does not mean the vendor lacks a plan.

What the table assumes

• USD list prices only
• Month-to-month Soryxa plans and PAYG packages for credit vendors
• No annual discounts, taxes, currency conversion, coupons, negotiated contracts, or enterprise pricing
• The smallest explicitly published plan/package that covers the volume, or an exact first-party calculator result whose tier data and formula can be reproduced
• Gross submitted volume, without predicting how many unknown or duplicate results may be free
• No dollar value assigned to policy controls, review queues, deliverability tools, sending features, or engineering time

The calculations are shown below so a buyer can reproduce or replace them.

Scenario 1: 2,000 validations

ZeroBounce's pricing FAQ lists a 2,000-credit minimum at $0.0195 per credit:

2,000 × $0.0195 = $39

MillionVerifier lists its regular minimum package as 10,000 credits for $39. A buyer who needs only 2,000 spends the same $39 but retains 8,000 credits under the vendor's no-expiry policy. MillionVerifier says inactive accounts may be deleted after a year, but remaining credits can be restored through support after ownership verification.

Soryxa Starter costs $50 per month and includes 25,000 validations:

$50 / 2,000 used = $0.025 per used validation for this month

That leaves 23,000 units of monthly capacity unused in the scenario. The public page does not promise rollover, so this comparison does not assume it.

Bouncer publicly lists 1,000 credits for $8 and 5,000 credits for $35, but the exact 2,000-credit calculator output could not be independently verified from the accessible first-party content. This comparison therefore leaves the 2K value as Unknown rather than interpolating between published quantities.

Abstract API Starter costs $19 per month when paid monthly and includes 5,000 email-validation requests. Under this comparison's smallest-plan-covering-volume rule, the listed outlay for 2,000 validations is therefore $19.

Emailable's minimum PAYG purchase is 5,000 credits for $38. A buyer who needs 2,000 validations therefore spends $38 and retains 3,000 credits for later use.

2K conclusion: Abstract API has the lowest exact listed outlay among the verified values in this snapshot at $19 through a monthly Starter plan that covers 5,000 requests. Emailable requires a $38 minimum 5,000-credit purchase. ZeroBounce costs $39 for the stated volume, while MillionVerifier's regular $39 purchase supplies 10,000 non-expiring credits. Soryxa costs $50 and leaves substantial monthly capacity unused at this volume. Bouncer may be competitive at 2K, but its exact 2,000-credit outlay could not be independently verified, so it remains Unknown.

Scenario 2: 10,000 validations

The exact listed outlays are:

• MillionVerifier: $39 for 10,000
• Soryxa: $50 for up to 25,000 in one month
• Bouncer: $60 for 10,000
• Emailable: $60 for 10,000
• MailerCheck: $80 for 10,000
• ZeroBounce PAYG: 10,000 × $0.0129 = $129

10K conclusion: MillionVerifier has the lowest listed outlay among vendors with an exact verified 10K value in this snapshot. Soryxa is $11 more and includes another 15,000 validations of monthly capacity plus documented decision-policy features. The price table does not measure whether either product produces better results for the buyer's data.

Scenario 3: 100,000 validations

The exact listed outlays are:

• Soryxa Growth: $90 for 100,000 in one month
• MillionVerifier: $149 for 100,000 credits
• Bouncer: $400 for 100,000 credits
• ZeroBounce PAYG: 100,000 × $0.00649 = $649
• MailerCheck: $500 for 100,000 credits

100K conclusion: Soryxa has the lowest listed outlay among the exact verified entries in this snapshot. That conclusion applies to price under the stated assumptions, not quality or universal value. Soryxa sells monthly capacity and counts every submitted address. MillionVerifier and Bouncer sell credits without a scheduled credit expiry.

Credit expiry changes the value of unused capacity

Credit durability matters when verification is irregular:

• Bouncer says purchased email-verification credits never expire.
• MillionVerifier says purchased verification credits never expire. Its account-deletion guide says inactive accounts may be deleted after a year, but remaining credits can be restored after ownership verification.
• Emailable says credits do not expire, including unused subscription credits that roll over.
• Soryxa sells monthly validation capacity; its public pricing page does not state rollover.

ZeroBounce distinguishes credit expiry by account age. Its current FAQ and Terms say that credits for accounts created on or before June 1, 2026 do not expire. For customers registering after June 1, 2026, purchased credits expire two years after the most recent credit purchase. Credits remain valid during an active ZeroBounce ONE subscription, with the documented two-year post-subscription period applying afterward.

For a purchasing decision, use the Terms that apply to the actual account rather than relying on the shortest marketing summary.

Unknown-result billing can change effective cost

The table uses gross submitted volume because no result distribution is known. Actual credit usage may differ:

• Soryxa says one submitted address counts as one validation.
• ZeroBounce says unknown and duplicate results are not charged.
• Bouncer says it does not charge for duplicate or unknown results.
• Emailable says Unknown results and same-list duplicates are refunded back to the credit balance after list verification.
• MillionVerifier says Risky results (Unknown and Catch-all) receive goodwill credits back across its verification methods by default, including API verification. Accounts classified as misuse may lose that eligibility. Its current Terms classify these as promotional goodwill credits and do not guarantee the benefit as a permanent service feature.

That means a list with many unknowns may consume fewer credits at some vendors. It does not mean the vendor is cheaper until the actual result mix is measured.

Why several prices remain Unknown

A reproducible dataset matters more than a full-looking table built from estimates.

• Bouncer publishes $8 for 1,000 credits and $35 for 5,000 credits, but the exact 2,000-credit calculator output was not independently available in the accessible first-party content, so the 2K cell remains Unknown.
• Emailable's accessible first-party pricing confirms a $38 minimum PAYG purchase for 5,000 credits and a current first-party comparison page states $60 for 10,000 credits. The exact 100K PAYG output was not available in the accessible pricing content.
• MailerCheck publishes $80 for 10,000 credits and $500 for 100,000 credits in its first-party comparison content. The exact 2K calculator output was not available in the accessible pricing content.
• Abstract API publishes a $19 month-to-month Starter plan covering 5,000 email-validation requests. The accessible page did not expose the exact month-to-month prices for the 10K and 100K volumes used here.
• NeverBounce's developer documentation was accessible, but its current official pricing page was not.
• Kickbox's current first-party pricing could not be independently verified from accessible public content.

No aggregator or competitor-authored price has been used to fill those gaps.

Price is not the whole cost model

The listed outlay is only one decision input. Before buying, record:

• whether the check runs during signup or in a background batch;
• whether unknown, catch-all, role, or disposable results require review under application policy;
• the expected retry rate;
• the number of downstream records prevented or held;
• the time needed to translate vendor results into application policy;
• the cost of unused monthly capacity or expiring credits;
• the value of bundled deliverability, sending, or outreach tools.

Do not convert “less glue code” or “better workflow fit” into dollar savings without measuring implementation and operations time.

Scenario summary

• At 2K, Abstract API has the lowest exact listed outlay in the verified dataset at $19. Emailable requires a $38 minimum 5K-credit purchase, and ZeroBounce costs $39 for exactly 2K. MillionVerifier's regular $39 purchase supplies 10K non-expiring credits. Bouncer's exact 2K outlay remains Unknown.
• At 10K, MillionVerifier has the lowest exact listed outlay in the verified dataset.
• At 100K recurring monthly volume, Soryxa has the lowest exact listed outlay in the verified dataset.
• Bouncer remains a relevant credit-based comparison at 10K and 100K, with documented non-expiring credits and free unknown/duplicate results.
• Any vendor with an Unknown cell must be checked directly before a final purchase or publication claim.

Recheck every source on the day this article is published. A dated pricing comparison is valuable only while the inputs, assumptions, and calculations remain visible.