Head to head

Kickbox vs ZeroBounce

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Kickbox

$5/500 verifications Free tier

Email verification sold as pay-as-you-go packs, with 100 free checks to start. The smallest paid pack is $5 for 500 verifications.

Where Kickbox fits

Senders who want 100 free checks with no card
Small teams that start with a $5 pack
Developers verifying emails at signup via the API
Teams syncing lists from HubSpot or Mailchimp

ZeroBounce

$39/2,000 credits Free tier

Email validation and scoring. Free 100 credits; ZeroBounce ONE starts at $99/mo for 10,000 validations.

Where ZeroBounce fits

Recruiting and sales teams cleaning lists before send
Ops that want validation as an API
Desks that need scoring, not only deliverable/undeliverable
Buyers who want a no-commitment free 100 credits

At a glance

Detail	Kickbox	ZeroBounce
Starting price	$5/500 verifications	$39/2,000 credits
Free tier	✓Yes	✓Yes
MCP server	–No	✓Yes
Public API	✓Yes	✓Yes
Listed under	Verification	Verification
Capterra	Not enough reviews	4.8 from 591 reviews

Where they pull apart

Kickbox

Stands out: Unknown results are refunded as credits, so you do not pay for a check that returns no clear answer.

Watch out: Packs are paid upfront, not billed monthly. Very large volumes move to custom pricing through sales.

Not the right fit for

Buyers who want a flat monthly subscription
Teams that need lead search and verification together

ZeroBounce

Stands out: Validation plus quality scoring on one meter, with a real free 100-credit allowance and a public $99/month subscription.

Watch out: Pay-as-you-go starts at $39 for 2,000 validations if you do not want a subscription. Heavy lists will burn the 10,000-credit ONE cap.

Not the right fit for

Teams that needed a finder, not a verifier
High-volume senders who will outgrow 10k/month immediately

Pros and cons

Kickbox

100 free verifications, no card
Paid packs from $5 for 500
Unknown results refunded

Upfront packs, no monthly plan
Top volumes need a custom quote
Verification only, no lead finder

ZeroBounce

Public $99/mo ONE plan for 10k validations
100 free credits, no trial needed
API plus MCP

ONE's 10k cap is easy to blow on a big agency list
Does not find emails, only validates them
Pay-as-you-go $39 pack is easy to miss if you only look at $99

What each one costs

Kickbox

$5/500 verifications

Pay-as-you-go packs: 500 verifications for $5, 1,000 for $10 and 2,500 for $25, with larger packs up to 1 million and custom pricing above that. The first 100 verifications are free, and unknown results are refunded. Confirm current terms on the vendor site.

Checked 19 Sep 2026

ZeroBounce

$39/2,000 credits

Business domain sign-ups get 100 free validations a month. Pay as you go starts at $39 for 2,000 email validations, the minimum purchase. The ZeroBounce ONE subscription is $99 per month, and unused credits roll over. Confirm current terms on the vendor site.

Checked 20 Sep 2026

Common questions

Is Kickbox cheaper than ZeroBounce?

Kickbox starts lower, at $5/500 verifications against $39/2,000 credits for ZeroBounce. That is the entry plan on each side, so the real number depends on seats and the tier you land on.

Can you try Kickbox or ZeroBounce for free?

Kickbox and ZeroBounce carry a free tier on our listing.

Does Kickbox or ZeroBounce have an MCP server?

ZeroBounce ships a first party MCP server, so an AI assistant can work the product directly.

Not the pair you wanted?

All Kickbox alternatives All ZeroBounce alternatives Every Verification tool

Editorial listings, never paid rankings. Prices checked 19 Sep 2026. Confirm current terms on the vendor site. Spot an error?