Datacircle

Foundry pricing: email verification API

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50% complete: 3 of the 6 fields on our checklistSee the 6 fields
$1.00per 1,000 emailsWe haven't run Foundry through our email verification API benchmark yet.We rank 4,337 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 4,337 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, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest Foundry plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call Foundry's only plan
Call: POST /v1/email-validate Foundry's only call for this API
API: Email verification API one of Foundry's 7 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 input to POST /v1/email-validate. The call returns whether the address takes mail.
  • Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

Foundry: email verification API alternatives

Foundry alternatives: other email verification API providers by price

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

This planFoundry, 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 validationFiatDock, pay as you go
$ per 1,000 emails$1.00$1.00$1.00$1.00$1.00$1.00
Completeness50%50%67%33%50%50%
Billingpay as you gopay firstpay firstmonthlypay firstpay as you go
Payper call$200$20$100$200per call
Enough foras many as you pay for200,000 calls20,000 results100,000 calls a month200,000 callsas many as you pay for
Freshnessunknownunknownliveliveliveunknown
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API keyanyone 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 18anyone aged 18 or over (or an entity they lawfully represent), with no account or API key, paying each call in USDC on Base or Solana (x402), its terms and footer say it is not available in the restricted jurisdictions they list

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. api.cdp.coinbase.com/platform/v2/x402/discovery/resources
  2. minty-sprout.onrender.com
  3. minty-sprout.onrender.com/.well-known/x402
  4. minty-sprout.onrender.com/llms.txt
  5. minty-sprout.onrender.com/openapi.json

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$1.00
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchEmail validation: syntax, MX records, disposable domain and role account checks. Input: an email address.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Per second0.5
Batch1
Speed
Answerin the call
The call
You sendinput
MethodPOST
Path/v1/email-validate
About the plan
Planx402 pay per call
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API key
The 8 fields the plan's answer can hold

email, domain, syntax valid, has MX records, MX records, disposable, role account, deliverable guess

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