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IsTempMail pricing: email verification API

IsTempMail's sitellms.txtEmail validation API: 180+ verification providers comparedIsTempMail: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, the best plan from IsTempMail scores 0.0 out of 100. IsTempMail ranks 160th 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 IsTempMail's 6 plans
Call: GET /check/{name} IsTempMail's only call
API: Email verification API IsTempMail's only API

About this item

  • A copy at most 24 hours old. IsTempMail may answer from IsTempMail's stored data instead of asking the mail server.
  • 2 of the 6 key fields we check. Deliverability, Company.
  • Nothing to pay. You get 200 requests a month. Calls stop once your requests run out. Unused limits do not roll over to the next period.
  • One call. You send name to GET /check/{name}. The call returns whether the address takes mail.
  • Who can get it: anyone aged 13 or over (a minor with a parent or guardian's permission). Keep data: no limit. Use data: any.

IsTempMail: email verification API alternatives

IsTempMail alternatives: every email verification API provider ranked

The table starts with IsTempMail's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to IsTempMail's. Each plan in the table gives live data or data at most a day old.

IsTempMail, $20 monthlyBillionVerify, $200 pack, Enterprise, POST /verify/bulkSealch, $240 yearly, Yearly up to 50,000 / mo, POST /api/verifyHeroBounce, $200 monthly, Pro, POST /validation/singleVerimail, $1,000 pack
$ per 1,000 emails$0.40$0.40$0.40$0.40$0.40
Completeness33%67%17%67%50%
Billingmonthlypay firstyearlymonthlypay first
Pay$20$200$240$200$1,000
Enough for50,000 calls a month500,000 results50,000 calls a month500,000 calls a month2,500,000 calls
Freshness24 hourslivelivelivelive
Who can get itanyone aged 13 or over (a minor with a parent or guardian's permission)anyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlyanyoneanyonebusinesses and professionals, not directed at anyone under 18

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. istempmail.com
  2. istempmail.com/docs/api
  3. istempmail.com/legal/terms-of-service
  4. istempmail.com/pricing

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Address, not in the answer
  • Deliverability
  • Confidence, not in the answer
  • Name, not in the answer
  • Place, not in the answer
  • Company
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Repeat freenever
Also pays forfrom the same budget: Report a suspicious domain
Overage
Units caphard
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchIsTempMail is a real-time HTTP API that verifies whether an email address or domain is disposable, temporary, or otherwise unresolvable. It is built for sign-up forms, lead capture, payment flows, and anywhere you accept an email address from a user
Data
Freshness24 hours
What it checksmail servers, disposable domains
Keep datano limit
Use dataany
Plan
Pay$0
You get200 requests a month
Enough for200 calls a month
Expiresunused limits do not roll over to the next period
Rate limit
Concurrentno limit
Batch1
Speed
Answerin the call
The call
You sendname
MethodGET
Path/check/{name}
About the plan
PlanFree
Who can get itanyone aged 13 or over (a minor with a parent or guardian's permission)
The 3 fields the plan's answer can hold

domain, blocked, unresolvable

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