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InboxVet pricing and alternatives: email verification API, POST /api/validate/batch

InboxVet's sitellms.txtBest email verification API in 2026
33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsThe cheapest of the 1,849 plans we rank by price is treg, top-up from $10. treg asks one provider after another until one answers. treg costs $0.00 per 1,000 emails on average. You pay $26.95 per 1,000 emails when no provider answers.
Plan: 100 free verification credits one of InboxVet's 7 plans
Call: POST /api/validate/batch one of InboxVet's 2 calls
API: Email verification API InboxVet's only API

About this item

  • Live. The call checks the email when you make it.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. You get 100 credits once, enough for 100 results. Credits never expire.
  • One call. You send emails to POST /api/validate/batch. You set the Content-Type header to "application/json". You can also send skipSMTP. The call returns whether each address you send takes mail.
  • Who can get it: anyone aged 18 or over. Keep data: no limit. Use data: with conditions.

InboxVet: email verification API alternatives

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

InboxVet, $300 pack, Unlimited Pack, POST /api/validate/batchBillionVerify, $120 monthly, Business, POST /verify/bulkReoon, $9 monthly, Daily Credits, GET /verifyNullBounce, $300 packQuickEmailVerification, $900 monthly, Per Day Credits, 50,000 credits a day, GET /v1/verify
$ per 1,000 emails$0.60$0.60$0.60$0.60$0.60
Completeness33%67%67%33%50%
Billingpay firstmonthlymonthlypay firstmonthly
Pay$300$120$9$300$900
Enough for500,000 results200,000 results a month500 calls a day500,000 calls50,000 calls a day
Freshnesslivelivelivelivelive
Who can get itanyone aged 18 or overanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlyanyoneanyoneanyone with a work email

Every email verification API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-27.

  1. inboxvet.com
  2. inboxvet.com/docs
  3. inboxvet.com/pricing
  4. inboxvet.com/privacy
  5. inboxvet.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, not in the answer
Price
$ per 1,000 emails$0.00
Perresult
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Validate one email
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchInboxVet's real-time email validation service delivers 99.6% accuracy with sub-100ms response times — so your messages always reach real inboxes. Clean your email list, reduce bounce rates, and improve deliverability starting today.
Data
Freshnesslive
Keep datano limit
Use dataYou agree not to: use the Service for anything illegal, use it to send spam or to support unsolicited communications, verify email addresses you have no lawful right to process, bypass rate limits, credit checks or security measures, or probe the Service for weaknesses, upload malicious code or try to disrupt or compromise the Service, reverse engineer or copy the Service, or use it to build a competing product, resell or redistribute the Service without our written permission. [...] We grant you a limited, non-exclusive, non-transferable licence to use the Service for its intended purpose while these Terms apply to you.
Plan
Pay$0
You get100 credits
Enough for100 results, once
Expiresnever
Rate limit
Batch1,000
Speed
Answerin the call
The call
You sendemails, Content-Type header "application/json". Optional: skipSMTP
MethodPOST
Path/api/validate/batch
About the plan
Plan100 free verification credits
Who can get itanyone aged 18 or over
The 10 fields the plan's answer can hold

success, email address, status, syntax valid, disposable, MX record, catch-all, SMTP valid, reason, credits remaining

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