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EmailZeno pricing: email verification API, POST /v1/verify

EmailZeno's sitellms.txtBest email verification API in 2026: providers comparedEmailZeno: email verification API alternatives

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67% complete: 4 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe rank 3,227 plans by price. 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 (/email) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in our benchmark.
Plan: Free one of EmailZeno's 10 plans
Call: POST /v1/verify one of EmailZeno's 2 calls
API: Email verification API EmailZeno's only API

About this item

  • Live. EmailZeno checks the email when you call the API.
  • 4 of the 6 key fields we check. Address, Deliverability, Confidence, Company.
  • Nothing to pay. You get 1,000 credits a month, enough for 1,000 calls. Calls stop once your credits run out. Unused credits expire at the end of each month, free-tier credits do not roll over.
  • One call. You send email to POST /v1/verify. You set the Content-Type header to "application/json". You can also send deep_probe. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

EmailZeno: email verification API alternatives

EmailZeno alternatives: every email verification API provider ranked

The table starts with EmailZeno's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to EmailZeno's. Each plan in the table gives live data.

EmailZeno, $420 yearly, Unlimited, POST /v1/verifytreg, top-up from $200YepAPI, freeMailTester Ninja, $23.99 monthlyGMass, $59.95 monthlyLeadloadz, $29 monthly
$ per 1,000 emails$0.023$0.00$0.00$0.008$0.017$0.034
Completeness67%33%50%50%33%50%
Billingyearlypay firstfreemonthlymonthlymonthly
Pay$420$200$0$23.99$59.95$29
Enough for1,500,000 calls a monthnot published500 calls, once3,000,000 calls a month3,600,000 calls a month864,000 calls a month
Freshnesslivelivelivelivelivelive
Who can get itanyoneanyone 16 or over, topping up by hand (automatic top-ups earn no bonus)anyoneanyone at least 18 years old, or the age of majority in their jurisdictionanyone with a Google account that subscribesanyone

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.

  1. emailzeno.com
  2. emailzeno.com/api
  3. emailzeno.com/legal/terms
  4. emailzeno.com/openapi.yaml
  5. emailzeno.com/pricing

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
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Verify a batch (up to 1,000)
Overage
Units caphard
Not found
$ per 1,000$0.00
Bounce
Bounce refundthe credit, automatically, when an address marked deliverable hard-bounces within 7 days of verification
In their words
Their pitchDon't burn your sender reputation. Catch dead, invalid, and risky addresses before your ESP starts throttling you.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano limit
Use dataYou agree not to: use the service to verify addresses you do not have a legitimate business reason to contact, use the service to support unsolicited bulk email (spam) campaigns, resell raw API access without prior written consent, probe addresses to harvest, enumerate, or guess valid mailboxes, reverse engineer, scrape, or attempt to overload the service
Plan
Pay$0
You get1,000 credits a month
Enough for1,000 calls a month
Expiresat the end of each month, free-tier credits do not roll over
Rate limit
Per second1
Batch1
Speed
Answerin the call
Median0.24 s
The call
You sendemail, Content-Type header "application/json". Optional: deep_probe
MethodPOST
Path/v1/verify
About the plan
PlanFree
Who can get itanyone
The 23 fields the plan's answer can hold

email address, status, flags, SMTP code, SMTP message, MX record, duration, quality score, quality band, SMTP provider, free, signals, credit charged, credit skip reason, state, reason, role, disposable, catch-all, mailbox full, did you mean, domain, account

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