CheckMail vs NeverBounce
email verification compared.

Pricing at common volumes

NeverBounce pay-as-you-go rates versus CheckMail credits.

Volume	NeverBounce	CheckMail
1,000	$8 ($0.0080)	$2 ($0.0020)
5,000	~$30 ($0.0060)	$9 ($0.0018)
10,000	$50 ($0.0050)	$14 ($0.0014)
50,000	~$225 ($0.0045)	$50 ($0.0010)
100,000	$400 ($0.0040)	$80 ($0.0008)

NeverBounce prices based on March–April 2026 public rates. NeverBounce credits expire after 12 months. NeverBounce also offers an Essentials subscription at $10/month for 1,000 verifications.

Feature comparison

Feature	NeverBounce	CheckMail
Syntax validation	✓	✓
DNS / MX check	✓	✓
SMTP verification	✓	✓
Disposable detection	✓	✓
Catch-all detection	✓	✓
Role-based detection	✓	✓
Typo suggestions	✗	✓
Free provider detection	✓	✓
Spam trap detection	✗	✗
AI scoring	✗	✗
Activity data	✗	✗
Data enrichment	✗	✗
REST API	✓	✓
Batch API	✓	✓
Credits expire?	After 12 months	Never
Charges for unknowns?	Yes	Yes

NeverBounce and CheckMail offer essentially the same verification checks. NeverBounce has a broader set of third-party integrations (HubSpot, Mailchimp, Salesforce). CheckMail gives you the raw API and lets you wire it up yourself, which is usually what developers want.

The real differences

Price

At 10,000 checks, NeverBounce is $50 versus $14 for CheckMail, roughly 3.6×. At 100,000 checks, it's $400 versus $80, a full 5×. The feature sets are close to identical. You're paying for the brand and the integrations.

Developer experience

Every email verification service, including NeverBounce and CheckMail, works the same way under the hood: syntax check, DNS lookup, SMTP handshake. The technology is commodity. The difference is what you pay for it. CheckMail ships a clean REST API, one JSON response, no SDK to install.

Billing model

This is where NeverBounce's model hurts. Credits expire after 12 months, so if you buy in bulk to save, you can lose what you don't use. NeverBounce also pushes an Essentials subscription at $10/month for 1,000 verifications. CheckMail credits never expire, and there's no subscription, buy once, use whenever.

What NeverBounce has that we don't

Native integrations with HubSpot, Mailchimp, Salesforce, and similar marketing platforms. If you need to verify a list inside one of those tools without writing any code, NeverBounce is more convenient. For everything else, CheckMail's API does the same job for a fraction of the price.

Try it in one line

No SDK. No signup dance. Get an API key and run this.

curl https://api.checkmail.dev/v1/verify \
  -G --data-urlencode "email=john@example.com" \
  -H "Authorization: Bearer $CM_KEY"

{
  "email": "john@example.com",
  "status": "valid",
  "checks": {
    "syntax": true,
    "mx_found": true,
    "smtp_valid": true,
    "catch_all": false,
    "disposable": false,
    "role_based": false,
    "free_provider": false
  },
  "suggestion": null,
  "mx_host": "aspmx.l.google.com",
  "cached": false,
  "ms": 1243
}

Try CheckMail

Start with 100 free credits. $2 for 1,000 checks after that. Credits never expire.