Datacircle

HALOWERK pricing: email verification API

HALOWERK's siteThis page as plain textEmail validation API: best verification providers comparedHALOWERK: email verification API alternatives

Is HALOWERK yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

67% complete: 4 of the 6 fields on our checklistSee the 6 fields
$1.00per 1,000 emailsWe haven't run HALOWERK through our email verification API benchmark yet.We rank 4,468 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 67% of the 4,468 plans.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.Validemail.co, pingutil and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest HALOWERK plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 HALOWERK's only plan
Call: POST /v1/email/validate HALOWERK's only call for this API
API: Email verification API one of HALOWERK's 8 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 6 fields on our checklist. Address, Deliverability, Confidence, Company.
  • Nothing to buy first. You pay per call.
  • One call. You call POST /v1/email/validate. Every input is optional: email, emails, smtp_check.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

HALOWERK: email verification API alternatives

HALOWERK alternatives: other email verification API providers by price

We list other providers' plans closest to this plan in price per 1,000 emails.

This planHALOWERK, pay as you goPrime Verifier, $200 pack, Pay-As-You-Go 200,000 credits, POST /v1/verify/singleBillionVerify, $20 pack, Starter, POST /verify/bulkMillionPhones, $100 monthlyDeBounce, top-up from $200, 200K credits, GET /v1/, Single email validation
$ per 1,000 emails$1.00$1.00$1.00$1.00$1.00
Completeness67%50%67%33%50%
Billingpay as you gopay firstpay firstmonthlypay first
Payper call$200$20$100$200
Enough foras many as you pay for200,000 calls20,000 results100,000 calls a month200,000 calls
Freshnessunknownunknownlivelivelive
Who can get itanyoneanyone 18 or older able to form a binding contractanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlyanyone with a work emailanyone over 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 2026-11-10.

  1. halowerk.com
  2. halowerk.com/llms.txt
  3. tools.halowerk.com/.well-known/x402
  4. tools.halowerk.com/llms.txt
  5. tools.halowerk.com/openapi.json
  6. tools.halowerk.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$1.00
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchSyntax, Domain, MX-Einträge, Wegwerf-Anbieter, Rollenkonto, Freemailer, Tippfehler-Vorschlag und Zustellwahrscheinlichkeit. Optional SMTP-Handshake für Postfachprüfung.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano API terms
Use datano API terms
Plan
Payper call
Speed
Answerin the call
The call
You sendnothing required. Optional: email, emails, smtp_check
MethodPOST
Path/v1/email/validate
About the plan
Planx402
Who can get itanyone
The 9 fields the plan's answer can hold

email address, valid syntax, domain, MX record, disposable, role account, free provider, score, verdict

Best GTM APIs