CheckMail1 pricing: email verification API, POST /
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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, the best plan from CheckMail1 scores 0.0 out of 100. CheckMail1 ranks 142nd of 181 providers.This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.Disify's $9 monthly plan (/
Plan: Free one of CheckMail1's 7 plans
- FreeFree$0.00 per 1,000
- $1 pack, TrialTrial$10.00 per 1,000
- $5 pack, StarterStarter$5.00 per 1,000
- $12 pack, BasicBasic$4.00 per 1,000
- $29 pack, ProPro$2.90 per 1,000
- $69 pack, BusinessBusiness$2.30 per 1,000
- $169 pack, EnterpriseEnterprise$1.69 per 1,000
Call:
POST / one of CheckMail1's 2 callsAPI: Email verification API CheckMail1's only API
About this item
- Live. CheckMail1 checks the email when you call the API.
- 3 of the 6 key fields we check. Address, Deliverability, Confidence.
- Nothing to pay. You get 100 credits, enough for 100 results. Calls stop once your credits run out. Credits never expire.
- One call. You send
emailstoPOST /. The call returns whether each address you send takes mail.verify/ batch - Anyone can get it. Keep data: no limit. Use data: with conditions.
CheckMail1: email verification API alternatives
CheckMail1 alternatives: every email verification API provider ranked
The table starts with CheckMail1's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to CheckMail1's. Each plan in the table gives live data.
| CheckMail1, $169 pack, Enterprise, POST /verify/batch | mailfloss, $3,540 yearly, Pro 175,000 credits/month, billed annually, GET /v1/verify | OxiBounce, €1,499 pack, 1 000 000 vérifications, POST /list | Mailthentic, $169 pack, Bulk (pay as you go), POST /api/verify/bulk | Piloterr, $10,788 yearly | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $1.69 | $1.686 | $1.687 | $1.69 | $1.696 |
| Completeness | 50% | 50% | 50% | 67% | 33% |
| Billing | pay first | yearly | pay first | pay first | yearly |
| Pay | $169 | $3,540 | €1,499 | $169 | $10,788 |
| Enough for | 100,000 results | 175,000 calls a month | 1,000,000 results | 100,000 results | 530,000 calls a month |
| Freshness | live | live | live | live | live |
| Who can get it | anyone | anyone of the legal age of majority, for their own internal business use, with a supported email service provider | anyone | anyone using it for lawful business purposes | professional use only: the service is offered for professional use, to a person 18 or over and able to contract who orders it for a trade, business, craft, or profession |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Address
- Deliverability
- Confidence
- Name, not in the answer
- Place, not in the answer
- Company, not in the answer
| $ per 1,000 emails | $0.00 |
|---|---|
| Per | result |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | from the same budget: Single Email Verification |
|---|
| Units cap | hard |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Verify any email instantly — Gmail, iCloud, QQ, Yahoo and 50+ providers. Powered by direct API checks, not SMTP guessing. |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, disposable domains, mailbox |
| Keep data | no limit |
| Use data | You agree to use the Service only for lawful purposes. You must not: Use the Service to send spam or unsolicited communications, Attempt to reverse-engineer or scrape our systems, Resell access to the Service without written permission, Use the Service to verify emails for malicious purposes, Violate any applicable laws or regulations, Attempt to circumvent rate limits or security measures |
| Pay | $0 |
|---|---|
| You get | 100 credits |
| Enough for | 100 results |
| Expires | never |
| Per second | 1 |
|---|---|
| Concurrent | 10 |
| Answer | in the call |
|---|
| You send | emails |
|---|---|
| Method | POST |
| Path | /verify/batch |
| Plan | Free |
|---|---|
| Who can get it | anyone |
The 6 fields the plan's answer can hold
email address, status, valid, score, count, credits remaining