# Keyronne, pay as you go: Email verification API

> Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address detection (info@, support@), free-provider flagging, and typo suggestions for popular providers (gmial.com -> gmail.com).

Keyronne's x402 plan for the email verification API costs $0.06 per 1,000 emails. We check each provider's docs for 6 fields. Keyronne's docs list 3: Address, Deliverability, Company.
We haven't run Keyronne through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
We rank 4,391 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 96% of the 4,391 plans.
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/keyronne/pay-as-you-go
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://keyronne.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://keyronne.com/api/email-validate`
- API key: not needed
- Its API docs: https://keyronne.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Keyronne (https://keyronne.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Company: ✓

## Price

- $ per 1,000 emails: $0.06
- Per: result
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address detection (info@, support@), free-provider flagging, and typo suggestions for popular providers (gmial.com -> gmail.com).

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Rate limit

- Batch: 50

## Speed

- Answer: in the call

## The call

- You send: one of email or emails. Optional: skipDns
- Method: POST
- Path: /api/email-validate

## About the plan

- Plan: x402
- Who can get it: anyone

## The 12 fields the plan's answer can hold

email, valid, reason, domain, disposable, role address, free provider, plus tag, did you mean, deliverable, MX records, MX lookup method

## Keyronne's plans (1)

- [Keyronne, pay as you go](https://datacircle.dev/validate-email-apis/keyronne/pay-as-you-go/llms.txt): $0.06 per 1,000, 50% complete

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

- `POST /api/email-validate`: [Keyronne, pay as you go](https://datacircle.dev/validate-email-apis/keyronne/pay-as-you-go/llms.txt)

## Keyronne's APIs (3)

- [Keyronne: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/keyronne/pay-as-you-go/llms.txt)
- [Keyronne: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/keyronne/pay-as-you-go/llms.txt)
- [Keyronne: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/keyronne/pay-as-you-go/llms.txt)

## Keyronne: email verification API alternatives

- [YourAITools, free](https://datacircle.dev/validate-email-apis/youraitools/free/llms.txt): $0.00 per 1,000, 17% complete
- [Antideo, $80 monthly](https://datacircle.dev/validate-email-apis/antideo/80-monthly/llms.txt): $0.056 per 1,000, 33% complete, stored
- [SendSure, $7,116 yearly, Growth Yearly, up to 1,000,000 / month, POST /api/scoring/batch](https://datacircle.dev/validate-email-apis/sendsure/7116-yearly-growth-yearly-up-to-1000000-month-post-api-scoring-batch/llms.txt): $0.059 per 1,000, 50% complete
- [CleanTalk, $1,440 yearly, 2,000,000 checks a month, 12 months (20% off), GET /, email_check](https://datacircle.dev/validate-email-apis/cleantalk/1440-yearly-2000000-checks-a-month-12-months-20-off-get-email-check/llms.txt): $0.06 per 1,000, 33% complete
- [Mailsfinder, $468 yearly, Agency annual, POST /email/verifyEmail](https://datacircle.dev/validate-email-apis/mailsfinder/468-yearly-agency-annual-post-email-verifyemail/llms.txt): $0.065 per 1,000, 50% 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 2026-11-10.

- https://keyronne.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://keyronne.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://keyronne.com/api/email-validate?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://keyronne.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://keyronne.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing