Mailcheck.co pricing: email verification API, POST / v1/ singleEmail: check
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- Free tierFree Tier$0.00 per 1,000
- $10 monthly, ProPro$10.00 per 1,000
- $30 monthly, AgencyAgency$6.00 per 1,000
- $90 monthly, EnterpriseEnterprise$4.50 per 1,000
- Contact us, CustomCustom
POST / v1/ singleEmail: check one of Mailcheck.co's 2 callsAbout this item
- Live. Mailcheck.co checks the email when you call the API.
- 2 of the 6 key fields we check. Address, Deliverability.
- Nothing to pay. You get 100 results, enough for 100 calls.
- One call. You send
emailtoPOST /. The call returns whether the address takes mail.v1/ singleEmail: check - Who can get it: with conditions. Keep data: no limit. Use data: with conditions.
Mailcheck.co: email verification API alternatives
Mailcheck.co alternatives: every email verification API provider ranked
The table starts with Mailcheck.co's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Mailcheck.co's. Each plan in the table gives live data.
| Mailcheck.co, $90 monthly, Enterprise, POST /v1/singleEmail:check | BetterEnrich, $900 pack, One-time Payment, 40K credits, POST /api/v1/verify-catch-all-email | WhoisXML API, $540 yearly, Yearly subscription 10,000 Queries, GET /api/v3 | MailRambo, $9 pack | Heybounce, $225 pack, Pay As You Go 50,000 credits, GET /validate | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $4.50 | $4.50 | $4.50 | $4.50 | $4.50 |
| Completeness | 33% | 17% | 50% | 50% | 50% |
| Billing | monthly | pay first | yearly | pay first | pay first |
| Pay | $90 | $900 | $540 | $9 | $225 |
| Enough for | 20,000 calls a month | 200,000 calls | 10,000 calls a month | 2,000 calls | 50,000 calls |
| Freshness | live | live | live | live | live |
| Who can get it | anyone 18 or over (a minor needs a parent's or guardian's permission) | anyone, for lawful business purposes only | anyone, for internal business purposes | anyone | anyone of age: “Heybounce is not marketed and should not be used by persons under the age of 18” |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Address
- Deliverability
- Confidence, not in the answer
- Name, not in the answer
- Place, not in the answer
- Company, not in the answer
| $ per 1,000 emails | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | from the same budget: Create a batch check operation |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Get assured your mailing list contains only real emails addresses, get rid of bots and inactive users |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, disposable domains, mailbox |
| Keep data | no limit |
| Use data | You may not access or use the Site for any purpose other than that for which we make the Site available. The Site may not be used in connection with any commercial endeavors except those that are specifically endorsed or approved by us. As a user of the Site, you agree not to: [...] Systematically retrieve data or other content from the Site to create or compile, directly or indirectly, a collection, compilation, database, or directory without written permission from us. [...] Engage in any automated use of the system, such as using scripts to send comments or messages, or using any data mining, robots, or similar data gathering and extraction tools. [...] Use any information obtained from the Site in order to harass, abuse, or harm another person. Use the Site as part of any effort to compete with us or otherwise use the Site and/or the Content for any revenue-generating endeavor or commercial enterprise. [...] Use the Site in a manner inconsistent with any applicable laws or regulations. |
| Pay | $0 |
|---|---|
| You get | 100 results |
| Enough for | 100 calls |
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | |
|---|---|
| Method | POST |
| Path | /v1/singleEmail:check |
| Plan | Free Tier |
|---|---|
| Who can get it | anyone 18 or over (a minor needs a parent's or guardian's permission), 10 emails without a payment method, 100 once billing information is verified |
The 17 fields the plan's answer can hold
email address, trust rate, MX record exists, SMTP exists, not SMTP catch-all, not disposable, Gravatar profile URL, Gravatar preferred username, Gravatar account domain, Gravatar account shortname, Gravatar account username, Gravatar account user ID, Gravatar account URL, Gravatar account verified, GitHub username, Facebook ID, Facebook name