# VerifNow, free: Email verification API

> Validate email addresses and get normalization and diagnostics.

VerifNow's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 1 of the 6 key fields we check: Deliverability.
We haven't run VerifNow through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
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](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) 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)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/verifnow/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.verifnow.io/api/v1/validate/email`
- API key: with the plan, on https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://docs.verifnow.io/guides/validate-email?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: VerifNow (https://verifnow.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 17%
- Deliverability: ✓

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Validate a phone number · Validate an IBAN · Validate a Canadian Social Insurance Number (NAS/SIN) · Validate a Spanish NIF · Validate a US Social Security Number · Validate a VAT number

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate email addresses and get normalization and diagnostics.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: You agree not to misuse the Service, including but not limited to: attempting to bypass rate limits or quotas, reverse engineering or copying the API, using the Service for illegal, harmful, or fraudulent purposes, reselling or redistributing access without authorization, interfering with or disrupting the Service

## Plan

- Pay: $0
- You get: 250 requests a month
- Enough for: 250 calls a month
- Expires: quotas reset at the start of each billing period

## Rate limit

- Concurrent: 3
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: value. Optional: X-VerifNow-SDK header
- Method: POST
- Path: /api/v1/validate/email

## About the plan

- Plan: Free
- Who can get it: anyone

## The 14 fields the plan's answer can hold

valid, message, normalized value, original value, validation level, syntax valid, MX valid, typo detected, suggested domain, disposable, role address, risk score, deliverability, applied level

## VerifNow's plans (7)

- [VerifNow, free](https://datacircle.dev/validate-email-apis/verifnow/free/llms.txt): $0.00 per 1,000, 17% complete
- [VerifNow, $19 monthly](https://datacircle.dev/validate-email-apis/verifnow/19-monthly/llms.txt): $1.90 per 1,000, 17% complete
- [VerifNow, $49 monthly](https://datacircle.dev/validate-email-apis/verifnow/49-monthly/llms.txt): $0.98 per 1,000, 17% complete
- [VerifNow, $99 monthly](https://datacircle.dev/validate-email-apis/verifnow/99-monthly/llms.txt): $0.66 per 1,000, 17% complete
- [VerifNow, $182 yearly](https://datacircle.dev/validate-email-apis/verifnow/182-yearly/llms.txt): $1.517 per 1,000, 17% complete
- [VerifNow, $470 yearly](https://datacircle.dev/validate-email-apis/verifnow/470-yearly/llms.txt): $0.783 per 1,000, 17% complete
- [VerifNow, $950 yearly](https://datacircle.dev/validate-email-apis/verifnow/950-yearly/llms.txt): $0.528 per 1,000, 17% complete

## VerifNow's calls for this API (1)

- `POST /api/v1/validate/email`: [VerifNow, free](https://datacircle.dev/validate-email-apis/verifnow/free/llms.txt)

## VerifNow's APIs (2)

- [VerifNow: email verification API pricing, 7 plans](https://datacircle.dev/validate-email-apis/verifnow/free/llms.txt)
- [VerifNow: phone validation API pricing, 7 plans](https://datacircle.dev/validate-phone-apis/verifnow/free/llms.txt)

## VerifNow: email verification API alternatives

- [EmailListVerify, top-up from $1,309, 2,500,000 credits, GET /api/verifyEmailDetailed](https://datacircle.dev/validate-email-apis/emaillistverify/top-up-from-1309-2500000-credits-get-api-verifyemaildetailed/llms.txt): $0.524 per 1,000, 50% complete, live
- [MailTester, $79 monthly](https://datacircle.dev/validate-email-apis/mailtester/79-monthly/llms.txt): $0.527 per 1,000, 50% complete, live
- [NexMailPro, $79 monthly, Business, POST /verify/email](https://datacircle.dev/validate-email-apis/nexmailpro/79-monthly-business-post-verify-email/llms.txt): $0.527 per 1,000, 50% complete, stored
- [TryVerifyEmail, $1,899 yearly, Scale (annual), POST /v1/email-verifications](https://datacircle.dev/validate-email-apis/tryverifyemail/1899-yearly-scale-annual-post-v1-email-verifications/llms.txt): $0.527 per 1,000, 67% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://api.verifnow.io/docs.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.verifnow.io/guides/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.verifnow.io/guides/validate-email?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.verifnow.io/guides/validate-phone?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://verifnow.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.verifnow.io/api/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.verifnow.io/en/company/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.verifnow.io/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing