Datacircle

ToolCall pricing: email verification API

ToolCall's siteThis page as plain textEmail validation API: best verification providers comparedToolCall: email verification API alternatives

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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$4.00per 1,000 emailsWe haven't run ToolCall 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 28% 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 ToolCall plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call ToolCall's only plan
Call: GET /t/email/validate ToolCall's only call for this API
API: Email verification API one of ToolCall's 7 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 fields on our checklist. Address, Deliverability.
  • Nothing to buy first. You pay per call.
  • One call. You send email to GET /t/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.

ToolCall: email verification API alternatives

ToolCall alternatives: other email verification API providers by price

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

This planToolCall, pay as you goVerimail, $4 packMailValid, $8 pack, Pay-as-you-go 2,000 credits, POST /api/v1/verify/bulkEasy Email Verification, $200 pack, Pay-as-you-go, 50,000 emails, POST /bulk/uploadQuickEmailVerification, $200 pack, Persistent Credits, 50,000 credits, GET /v1/verifyReply.io, $20 monthly
$ per 1,000 emails$4.00$4.00$4.00$4.00$4.00$4.00
Completeness33%50%67%50%50%0%
Billingpay as you gopay firstpay firstpay firstpay firstmonthly
Payper call$4$8$200$200$20
Enough foras many as you pay for1,000 calls2,000 results50,000 results50,000 calls5,000 results a month
Freshnessunknownlive30 dayslivelivelive
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API keybusinesses and professionals, not directed at anyone under 18anyone at least 18 years oldanyone legally capable of entering into the Terms under Brazilian lawanyone with a work emailAn add-on to a Reply plan (Email Volume, Multichannel, AI SDR or Agency: "Email validation — start from $20/month" under Addons on its pricing page, the API's estimate answers "AddonNotPresent: Required addon is not on the subscription"), "The Services are not intended for individuals under eighteen (18) years old"

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. toolcall.click
  3. toolcall.click/.well-known/x402
  4. toolcall.click/llms.txt
  5. toolcall.click/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, not in the answer
Price
$ per 1,000 emails$4.00
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchEmail verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags. JSON verdict with a bounce/deliverability risk level.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail
MethodGET
Path/t/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 address, syntax valid, MX record, disposable, role, free provider, risk level, reasons

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