Email verification and email finder alternatives
Thirteen side-by-side comparisons with dated vendor prices, including where the other tool is the better choice.
Each page compares one email verification or email finder service with emailvalidation.io: prices for the same volume, free tiers, API, bulk processing, catch-all handling and integrations. Competitor figures come from each vendor’s own pricing page and documentation, with the date we checked them. We make emailvalidation.io, so every page also says where the other tool is the better choice.
The pages for Kickbox, Bouncer, MillionVerifier and Clearout open with each vendor’s prices as we found them in October 2026; BriteVerify doesn’t publish prices, so its page explains how it charges instead. Choosing an API for your own code? The best email validation APIs compares emailvalidation.io, ZeroBounce, NeverBounce and Kickbox on price per email, free tier and API features. To see two vendors against each other rather than against emailvalidation.io, read the email verification comparisons: NeverBounce vs ZeroBounce and NeverBounce vs Kickbox.
For email finders and contact data tools, see the Apollo, Lusha, Snov.io, RocketReach and Hunter.io alternatives; the Clearbit alternatives page explains what replaced each Clearbit tool after the HubSpot acquisition. Two finder comparisons are on the same hub: Apollo vs Lusha and RocketReach vs Apollo.
All comparisons
Apollo alternatives
Apollo’s per-seat plans and credits next to an email finder and verification API priced per account, and when Apollo is worth it.
Bouncer alternatives
Bouncer’s full credit price list from $8 for 1,000, what is free, EU hosting, and when a monthly plan or bigger packs cost less.
BriteVerify alternatives
What BriteVerify’s pricing page does and doesn’t say, its API limits and statuses, and verifiers that publish their prices.
Clearbit alternatives
What HubSpot retired and when, the successor for each free Clearbit tool, and where to find and verify work emails now.
Clearout alternatives
Clearout’s subscription prices and charging rules, API limits and catch-all handling, next to monthly plans and credit packs.
Hunter.io alternatives
Finding and verifying email addresses for less: prices, free plans, credits per search and verification, API and bulk compared.
Kickbox alternatives
Kickbox’s credit prices and result model next to monthly plans and other credit packs, with a field-by-field migration table.
Lusha alternatives
Lusha’s plans and credit costs next to an email finder and LinkedIn extension, with the price per email on each side.
MillionVerifier alternatives
Credit packs from $39 for 10,000 to $449 for 1 million, free catch-all results, the bounce refund, and when a monthly plan costs less.
NeverBounce alternatives
NeverBounce credits expire after 12 months. What other verifiers charge for 5,000, 25,000 and 100,000 checks, plus free tiers, bulk and integrations.
RocketReach alternatives
RocketReach pricing, lookups and free plan compared with an email finder and a LinkedIn extension.
Snov.io alternatives
Snov.io’s credit plans, what a found email and a verification cost, and when a verification API with a finder fits better.
ZeroBounce alternatives
ZeroBounce charges $649 for 100,000 credits. What other verifiers charge for 5,000, 25,000 and 100,000 checks, plus free tiers and catch-all handling.
Email validation API
Validate emails in your app
emailvalidation.io checks syntax, MX records and the mailbox over SMTP, flags disposable, role and free addresses and returns a quality score, in one request.
/v1/info Email validation API Read the documentation
100 free validations every month. No credit card required.
GET https://api.emailvalidation.io/v1/info?
{
"email": "support@emailvalidation.io",
"user": "support",
"tag": "",
"domain": "emailvalidation.io",
"format_valid": true,
"mx_found": true,
"smtp_check": true,
"catch_all": null,
"role": true,
"disposable": false,
"free": false,
"score": 0.64,
"state": "deliverable",
"reason": "low_quality",
"did_you_mean": "",
"catch_all_resolution": null,
"bounce_probability": null,
"status": "valid",
"sub_status": "role_based",
"explanation": "The mailbox exists, but it is a role address (such as info@ or support@), usually read by a team rather than one person.",
"recommended_action": "send_with_caution"
}