Datacircle

1xAPI pricing: email verification API

1xAPI's siteThis page as plain textEmail validation API: 200+ verification providers compared1xAPI: email verification API alternatives

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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 emailsWe haven't run 1xAPI through our email verification API benchmark yet.This plan is free. We rank 3,960 plans for email verification APIs by price. Half the plans cost $1.998 per 1,000 emails or less. See the best free email verification API plan.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.pingutil, MailTester Ninja and Giggal are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest 1xAPI plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: Basic one of 1xAPI's 4 plans
Call: POST /email-verify/verify 1xAPI's only call
API: Email verification API 1xAPI's only API

About this item

  • Live. 1xAPI checks the email when you call the API.
  • 2 of the 6 fields on our checklist. Deliverability, Confidence.
  • Nothing to pay. You get 500 requests a month.
  • One call. You send email to POST /email-verify/verify. The call returns whether the address takes mail.
  • Who can get it: anyone with a 1xAPI account, the service is not intended for users under 16. Keep data: no limit. Use data: with conditions.

1xAPI: email verification API alternatives

1xAPI alternatives: other email verification API providers by price

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

1xAPI, $49.99 monthlyEmail2Verify, $99 monthlyVerifyAnyEmail, $49.90 monthly, Scale, POST /v1/verifySMTPing, $200 pack, 2M credits, POST /verify/bulkMailsfinder, $19.99 monthly, Growth, POST /email/verifyEmail
$ per 1,000 emails$0.10$0.099$0.10$0.10$0.10
Completeness33%33%67%50%50%
Billingmonthlymonthlymonthlypay firstmonthly
Pay$49.99$99$49.90$200$19.99
Enough for500,000 calls a month1,000,000 calls a month500,000 calls a month2,000,000 results200,000 calls a month
Freshnesslivelivelivelivelive
Who can get itanyone with a 1xAPI account, the service is not intended for users under 16anyoneanyone at least 18 years old, or the age of majority in their jurisdictionanyone at least 18 years oldanyone at least 18 years old with the legal authority to enter the Terms of Service

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

  1. 1xapi.com/
  2. 1xapi.com/hub/
  3. 1xapi.com/hub/1xapi/email-verify/
  4. 1xapi.com/privacy/
  5. 1xapi.com/terms/

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
  • Name, not in the answer
  • Place, not in the answer
  • Company, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchEnterprise-grade email verification API. Validate email addresses in real-time with MX record checks, SMTP verification, disposable email detection, and deliverability scoring.
Data
Freshnesslive
What it checksmail servers, disposable domains, mailbox
Keep datano limit
Use dataWhen using APIs through 1xAPI, you agree to: comply with the usage limits of your subscription tier, not attempt to circumvent rate limiting or authentication, not resell, redistribute, or sublicense API access without permission, not use APIs for any illegal, harmful, or abusive purpose, keep your API keys confidential and not share them publicly
Plan
Pay$0
You get500 requests a month
Enough for500 calls a month
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/email-verify/verify
About the plan
PlanBasic
Who can get itanyone with a 1xAPI account, the service is not intended for users under 16
The 5 fields the plan's answer can hold

valid, deliverability score, disposable, MX record, SMTP check

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