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Corenexis pricing: email verification API, POST /email-validator/v1

Corenexis's sitellms.txtEmail validation API: 180+ verification providers comparedCorenexis: email verification API alternatives

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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Corenexis through our email verification API benchmark yet.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 (/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 the Datacircle benchmark.
Plan: Basic one of Corenexis's 8 plans
Call: POST /email-validator/v1 one of Corenexis's 2 calls
API: Email verification API Corenexis's only API

About this item

  • Live. Corenexis checks the email when you call the API.
  • 3 of the 6 key fields we check. Address, Deliverability, Confidence.
  • Nothing to pay. You get 500 requests a month. Calls stop once your requests run out.
  • One call. You send email to POST /email-validator/v1. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Corenexis: email verification API alternatives

Corenexis alternatives: every email verification API provider ranked

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

Corenexis, $29.99 monthlyMailthentic, $29.99 monthly, Business (monthly), POST /api/verify/bulkBulk Email Checker, $149.95 packVerifySwift, $59.99 packBillionVerify, $120 monthly, Business, POST /verify/bulk
$ per 1,000 emails$0.60$0.60$0.60$0.60$0.60
Completeness50%67%50%50%67%
Billingmonthlymonthlypay firstpay firstmonthly
Pay$29.99$29.99$149.95$59.99$120
Enough for50,000 calls a month50,000 results a month250,000 calls100,000 calls200,000 results a month
Freshnesslivelivelivelivelive
Who can get itanyoneanyone using it for lawful business purposesanyone at least 18 years old, or of the age of legal majorityanyone 18 or olderanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes only

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.

  1. api.corenexis.com
  2. api.corenexis.com/disposable-email-validator/docs
  3. api.corenexis.com/email-validator/docs
  4. api.corenexis.com/mcp
  5. corenexis.com/terms-of-service

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
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchReal-time email verification with a live SMTP handshake, catch-all detection, MX/SPF/DMARC checks, and disposable, role-based & free-provider detection. One request, one direct JSON result — no queue, no waiting.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano limit
Use dataSection 7: "In addition to the content restrictions in Section 5, you agree not to: Systematically retrieve data or content from the Services to create or compile a collection, compilation, database, or directory without written permission from us [...] Resell, sublicense, white-label, or redistribute API access without our prior written agreement, Use our Services to build or train a directly competing product [...]", Section 8: "Corenexis does not claim ownership of [...] the output generated for you", Section 11: "Use of the API platform must comply with all applicable laws and regulations and with the Acceptable Use and Content Policy in Section 5"
Plan
Pay$0
You get500 requests a month
Enough for500 calls a month
Rate limit
Per second0.25
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/email-validator/v1
About the plan
PlanBasic
Who can get itanyone
The 25 fields the plan's answer can hold

success, plan, email address, status, confidence score, syntax valid, domain exists, MX found, SPF found, DMARC found, MX record, SPF record, DMARC record, disposable, role, free, SMTP checked, SMTP deliverable, catch-all, SMTP code, SMTP reason, MX host, remaining validations, rate limit, monthly limit

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