# x402node, pay as you go: Email verification API

> Validate any email address format and optionally check MX records via DNS to verify the domain accepts mail.

x402node's x402 pay per call plan for the email verification API costs $2.20 per 1,000 emails. We check each provider's docs for 6 fields. x402node's docs list 2: Address, Deliverability.
We haven't run x402node through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
We rank 4,337 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 47% of the 4,337 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/x402node/pay-as-you-go
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://x402node.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://api.x402node.dev/validate/email`
- API key: not needed
- Its API docs: https://api.x402node.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#/paths/~1validate~1email
- Sold by: x402node (https://x402node.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

- $ per 1,000 emails: $2.20
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Validate any email address format and optionally check MX records via DNS to verify the domain accepts mail.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: checkMx
- Method: GET
- Path: /validate/email

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with a wallet paying USDC on Base or Solana (x402), no account or API key

## The 4 fields the plan's answer can hold

email, syntax valid, MX found, disposable

## x402node's plans (1)

- [x402node, pay as you go](https://datacircle.dev/validate-email-apis/x402node/pay-as-you-go/llms.txt): $2.20 per 1,000, 33% complete

## x402node's calls for this API (1)

- `GET /validate/email`: [x402node, pay as you go](https://datacircle.dev/validate-email-apis/x402node/pay-as-you-go/llms.txt)

## x402node's APIs (12)

- [x402node: Amazon product API pricing, 1 plan](https://datacircle.dev/amazon-product-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: Amazon search API pricing, 1 plan](https://datacircle.dev/amazon-search-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: Google Shopping search API pricing, 1 plan](https://datacircle.dev/google-shopping-search-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: Hacker News search API pricing, 1 plan](https://datacircle.dev/hacker-news-search-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: image search API pricing, 1 plan](https://datacircle.dev/image-search-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: local business search API pricing, 1 plan](https://datacircle.dev/local-business-search-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: news API pricing, 1 plan, GET /serp/news](https://datacircle.dev/news-apis/x402node/pay-as-you-go-x402-pay-per-call-get-serp-news/llms.txt)
- [x402node: news API pricing, 1 plan, GET /serp/cn-news](https://datacircle.dev/news-apis/x402node/pay-as-you-go-x402-pay-per-call-get-serp-cn-news/llms.txt)
- [x402node: news API pricing, 1 plan, GET /search/news](https://datacircle.dev/news-apis/x402node/pay-as-you-go-x402-pay-per-call-get-search-news/llms.txt)
- [x402node: reverse email lookup API pricing, 1 plan](https://datacircle.dev/reverse-email-lookup-apis/x402node/pay-as-you-go/llms.txt)
- [x402node: SERP API pricing, 1 plan, GET /serp/geo](https://datacircle.dev/serp-apis/x402node/pay-as-you-go-x402-pay-per-call-get-serp-geo/llms.txt)
- [x402node: SERP API pricing, 1 plan, GET /serp/cn](https://datacircle.dev/serp-apis/x402node/pay-as-you-go-x402-pay-per-call-get-serp-cn/llms.txt)
- [x402node: SERP API pricing, 1 plan, GET /serp/web](https://datacircle.dev/serp-apis/x402node/pay-as-you-go-x402-pay-per-call-get-serp-web/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /web/batch](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-web-batch/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /r](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-r/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /web/read](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-web-read/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /reader](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-reader/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /reader/clean](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-reader-clean/llms.txt)
- [x402node: web scraping API pricing, 1 plan, GET /web/extract](https://datacircle.dev/web-scraping-apis/x402node/pay-as-you-go-x402-pay-per-call-get-web-extract/llms.txt)

## x402node: email verification API alternatives

- [PickusMail, $22 pack, Starter, POST /v1/verify](https://datacircle.dev/validate-email-apis/pickusmail/22-pack-starter-post-v1-verify/llms.txt): $2.20 per 1,000, 50% complete
- [ExactVerify, $220 pack, Pay-As-You-Go from 100,000 emails, GET /v1/single](https://datacircle.dev/validate-email-apis/exactverify/220-pack-pay-as-you-go-from-100000-emails-get-v1-single/llms.txt): $2.20 per 1,000, 33% complete, live
- [Invalid Bounce, $33 monthly](https://datacircle.dev/validate-email-apis/invalid-bounce/33-monthly/llms.txt): $2.20 per 1,000, 17% complete, live
- [SendPulse, $2,640 yearly, Subscription 100000, Yearly, POST /verifier-service/send-single-to-verify/](https://datacircle.dev/validate-email-apis/sendpulse/2640-yearly-subscription-100000-yearly-post-verifier-service-send-single-to-verify/llms.txt): $2.20 per 1,000, 33% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://api.x402node.dev/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://api.x402node.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://x402node.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing