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QubitOn pricing: email verification API

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50% complete: 3 of the 6 key fields we checkSee the 6 fields

$0.00per 1,000 emailsWe ran QubitOn in our email verification API benchmark. We didn't score any QubitOn plan.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: Free one of QubitOn's 2 plans
Call: POST /api/email/validate QubitOn's only call for this API
API: Email verification API one of QubitOn's 5 APIs

About this item

  • Live. QubitOn 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 requests a month.
  • One call. You send emailAddress and requestedByClient to POST /api/email/validate. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

QubitOn: email verification API alternatives

QubitOn alternatives: every email verification API provider ranked

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives live data.

This planQubitOn, freeMailTester Ninja, free, No tokenEnrich.so, free, POST /email-validationGetProspect, free, POST /v2/email-verificationsSealch, free, POST /api/verifyMailInput, free
$ per 1,000 emails$0.00$0.00$0.00$0.00$0.00$0.00
Completeness50%50%50%50%17%50%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough for100 calls a month300 calls a month100 calls, once100 results a month200 calls, once6,000 calls a month
Freshnesslivelivelivelivelivelive
Who can get itanyoneanyone at least 18 years old, or the age of majority in their jurisdictionanyone 18 or over, on a new account, for an organization, someone with authority to bind itanyone 16 or overanyoneanyone

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. qubiton.com/api/portal/openapi.json
  2. qubiton.com/capabilities.md
  3. qubiton.com/docs.md
  4. qubiton.com/pricing
  5. qubiton.com/pricing.md
  6. qubiton.com/products/email-verification

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
Overage
$ per 1,000 emails$1,500.00
Not found
$ per 1,000$0.00
In their words
Their pitchVerify email deliverability and detect fraud in real time
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get100 requests a month
Enough for100 calls a month
Rate limit
Per second0.17
Batch1
Speed
Answerin the call
The call
You sendemailAddress, requestedByClient. Optional: sourceUniqueId, qubitOnUniqueId, requestedByApplication, requestedByApplicationUrl, requestedByIPAddress, emailType
MethodPOST
Path/api/email/validate
About the plan
PlanFree
Who can get itanyone
The 14 fields the plan's answer can hold

source unique ID, QubitOn unique ID, score, validation result code, source result code, validation pass, validation description, validation date, validation type, validation sub-type, additional info, email type, email address, fraud score

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