Datacircle

QuantAgentShop pricing: email verification API

QuantAgentShop's siteThis page as plain textEmail validation API: best verification providers comparedQuantAgentShop: email verification API alternatives

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50% complete: 3 of the 6 fields on our checklistSee the 6 fields
$9.90per 1,000 emailsWe haven't run QuantAgentShop through our email verification API benchmark yet.We rank 4,207 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 11% of the 4,207 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.pingutil, looot and MailTester Ninja are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest QuantAgentShop plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: Pay per call with x402 QuantAgentShop's only plan
Call: POST /v1/email-check QuantAgentShop's only call for this API
API: Email verification API one of QuantAgentShop's 6 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 6 fields on our checklist. Address, Deliverability, Company.
  • Nothing to buy first. You pay per call.
  • One call. You send email to POST /v1/email-check. The call returns whether the address takes mail.
  • Who can get it: anyone, with no account or API key, paying each call in USDC on Base (x402). Keep data: no limit. Use data: with conditions.

QuantAgentShop: email verification API alternatives

QuantAgentShop alternatives: other email verification API providers by price

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

This planQuantAgentShop, pay as you goGetProspect, $99 monthly, Growth 5k, POST /v2/email-verificationsZeroBounce, $99 monthly, ZeroBounce ONE, 10,000 credits a month, POST /v2/validatebatchFindLeadEmails, $99 packDatabar, $495 monthly
$ per 1,000 emails$9.90$9.90$9.90$9.90$9.90
Completeness50%50%83%33%67%
Billingpay as you gomonthlymonthlypay firstmonthly
Payper call$99$99$99$495
Enough foras many as you pay for10,000 results a month10,000 results a month10,000 calls50,000 calls a month
Freshnessunknownlivelivelivelive
Who can get itanyone, with no account or API key, paying each call in USDC on Base (x402)anyone 16 or overanyone, for their internal business purposes only, not a resident of a country the US OFAC sanctions or on its restricted listsanyone at least 18 and not barred from receiving services under applicable lawbusinesses, universities and other organizations, not consumers

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. quantagentshop.com
  2. quantagentshop.com/llms.txt
  3. quantagentshop.com/openapi.json
  4. quantagentshop.com/policies

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
Price
$ per 1,000 emails$9.90
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchEmail address check without sending mail. Returns syntax validity, the normalised address, whether the domain accepts mail (MX, null MX or address fallback), and flags for disposable, role (info@, support@) and free webmail addresses, with a verdict.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataWhat this shop makes from your input (PDFs, QR codes, summaries, extractions, grades, scores, hashes and the layout of every result) is yours to use, store and redistribute freely. Data that comes from a third party stays under that source's terms, linked below, where a licence asks for credit, the result carries an attribution line to keep with it. [...] Do not use the service for anything unlawful. [...] Results are provided as they come from public sources and providers, without warranty.
Plan
Payper call
Rate limit
Concurrent1
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/v1/email-check
About the plan
PlanPay per call with x402
Who can get itanyone, with no account or API key, paying each call in USDC on Base (x402)
The 14 fields the plan's answer can hold

email, normalized email, syntax valid, domain, MX records, null MX, accepts mail, disposable, role account, free provider, verdict, reason, notice, checked at

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