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ValidKit pricing: email verification API, POST /v1/verify/batch

ValidKit's sitellms.txtEmail validation API: 180+ verification providers comparedValidKit: email verification API alternatives

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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, the best plan from ValidKit scores 0.0 out of 100. ValidKit ranks 180th of 181 providers.This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.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.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.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in the Datacircle benchmark.
Plan: Free one of ValidKit's 4 plans
Call: POST /v1/verify/batch one of ValidKit's 2 calls
API: Email verification API ValidKit's only API

About this item

  • Stored. ValidKit may answer from ValidKit's stored data instead of asking the mail server. ValidKit doesn't say how old the data is.
  • 3 of the 6 key fields we check. Address, Deliverability, Company.
  • Nothing to pay. You get 1,000 requests a month, enough for 1,000 results. Calls stop once your requests run out.
  • One call. You send emails to POST /v1/verify/batch. You can also send share_signals and debug. The call returns whether each address you send takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

ValidKit: email verification API alternatives

ValidKit alternatives: every email verification API provider ranked

The table starts with ValidKit's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to ValidKit's. Each plan in the table gives stored data.

ValidKit, $50 monthly, Growth, POST /v1/verify/batchOneShot, pay as you goEmailit, top-up from $20, Pay as you go, POST /email-verifications, Verify an addressapipick, $5 packElastic Email, $1,500 monthly, Email Marketing Pro (300,000 contacts), POST /verifications/files
$ per 1,000 emails$1.00$1.00$1.00$1.00$1.00
Completeness50%33%67%50%50%
Billingmonthlypay as you gopay firstpay firstmonthly
Pay$50per call$20$5$1,500
Enough for50,000 results a monthas many as you pay for20,000 calls5,000 calls1,500,000 results a month
Freshnessstoredstoredstored (has MX records: live)storedstored
Who can get itanyoneanyone, consumer or business, not in a country under a U.S. government embargo or on a U.S. restricted-party list, paying each call from a wallet on Base in USDC or ETHentrepreneurs acting in the course of their businessanyoneanyone at least the age of majority in their jurisdiction, with a registered account

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. api.validkit.com
  2. api.validkit.com/api/v1/openapi.json
  3. docs.validkit.com/?section=api-reference
  4. docs.validkit.com/?section=quickstart
  5. docs.validkit.com/?section=rate-limiting
  6. validkit.com
  7. validkit.com/pricing
  8. validkit.com/roi-calculator
  9. validkit.com/sla
  10. validkit.com/terms

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$0.00
Perresult
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Verify a single email address
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchCatch typos, disposable emails, and broken domains at signup before they become junk accounts, failed confirmations, or wasted onboarding steps.
Data
Freshnessstored
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataYou agree NOT to use the Service to: Validate email addresses for spam or unsolicited communications, Violate any applicable laws or regulations, Infringe on the privacy rights of individuals, Attempt to reverse engineer or compromise our Service, Exceed your rate limits through distributed requests, Share or resell access to the Service without permission, Use the Service for any illegal or harmful purposes
Plan
Pay$0
You get1,000 requests a month
Enough for1,000 results a month
Rate limit
Per second1
Batch1,000
Speed
Answerin the call
The call
You sendemails. Optional: share_signals, debug
MethodPOST
Path/v1/verify/batch
About the plan
PlanFree
Who can get itanyone
The 25 fields the plan's answer can hold

email address, valid, status, reason, known valid fallback, DNS fallback, reserved domain, syntax valid, DNS valid, MX valid, disposable, role, free, from pool, pool confidence, pool validations, credits earned, unique contribution, domain, email provider, did you mean, total emails, valid emails, invalid emails, unknown emails

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