Datacircle

Uniserv pricing: email verification API

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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 emailsWe haven't run Uniserv through our email verification API benchmark yet.This plan is free. We rank 4,391 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. See the best free email verification API plan.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. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.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.pingutil, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest Uniserv plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: Free test requests one of Uniserv's 3 plans
Call: POST /email/v2/validate Uniserv's only call for this API
API: Email verification API one of Uniserv's 2 APIs

About this item

  • Live. Uniserv checks the email when you call the API.
  • 2 of the 6 fields on our checklist. Address, Deliverability.
  • Nothing to pay. You get 100 requests once. Calls stop once your requests run out.
  • One call. You send email to POST /email/v2/validate. You can also send _options. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Uniserv: email verification API alternatives

Uniserv alternatives: other email verification API providers by price

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

This planUniserv, freeValidemail.co, free, POST /api/v1/bulkMailTester Ninja, free, No tokenGiggal, free trial, POST /v1/verify-batchEnrich.so, free, POST /email-validationQubitOn, free
$ per 1,000 emails$0.00$0.00$0.00$0.00$0.00$0.00
Completeness33%67%50%67%50%50%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough for100 calls, once50 results300 calls a month1,000 results100 calls, once100 calls a month
Freshnesslivelivelivelivelivelive
Who can get itanyoneanyoneanyone at least 18 years old, or the age of majority in their jurisdictionanyone aged 18 or overanyone 18 or over, on a new account, for an organization, someone with authority to bind itanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

  1. connect.uniserv.com
  2. connect.uniserv.com/registration
  3. docs.uniserv.com/apikey
  4. docs.uniserv.com/services/email/cloud/2.0
  5. docs.uniserv.com/services/email/cloud/2.0/email/billing
  6. docs.uniserv.com/services/email/cloud/2.0/email/data-enrichment
  7. docs.uniserv.com/services/email/cloud/2.0/email/data-model
  8. docs.uniserv.com/services/email/cloud/2.0/general/problems
  9. docs.uniserv.com/services/email/cloud/2.0/openAPI/email
  10. documents.connect.uniserv.com/UniservCloudGeneralTermsConditions_en.pdf
  11. uniserv.com/en/software/email-address-check

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
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Overage
Units caphard
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchWith the E-Mail validation of Uniserv, you check the format and structure of each individual address element. As well as checking syntax, it also confirms the existence of the addressed domain and ensures that the addressee has an E-Mail account in the domain.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano limit
Use dataThe User may use the Application to process their data. [...] In the event of the copyright interests of UNISERV as Provider or Third Party being affected, the User will be granted an uncomplicated, non-transferable right of use limited to the duration of the Contract (simple licence). Granting of sub-licences is not permitted.
Plan
Pay$0
You get100 requests
Enough for100 calls, once
Rate limit
Per second15
Batch1
Speed
Answerin the call
The call
You sendemail. Optional: _options
MethodPOST
Path/email/v2/validate
About the plan
PlanFree test requests
Who can get itanyone
The 11 fields the plan's answer can hold

email, deliverable, reason, freemailer, disposable, accept all, role, full mailbox, disabled, DNS record type, DNS record

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