# Vextorium, pay as you go: Email verification API

> Email validation: syntax, domain MX records and disposable-domain flag. Sends no email, the address is not stored.

Vextorium's x402 pay per call plan for the email verification API costs $4.00 per 1,000 emails. We check each provider's docs for 6 fields. Vextorium's docs list 3: Address, Deliverability, Company.
We haven't run Vextorium 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 28% 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/vextorium/pay-as-you-go
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://vextorium.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.vextorium.com/v1/email-validate`
- API key: not needed
- Its API docs: https://api.vextorium.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#/paths/~1v1~1email-validate
- Sold by: Vextorium (https://vextorium.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

- $ per 1,000 emails: $4.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Email validation: syntax, domain MX records and disposable-domain flag. Sends no email, the address is not stored.

## Data

- What it checks: format, mail servers, disposable domains
- Keep data: no limit
- Use data: You may not use the services for illegal activity, to evade international sanctions, to damage or overload the service, or to submit another person's personal data without a legal basis. [...] Sources include: [...] the European Commission and Eurostat (EU sanctions list, VIES, TED, Weekly Oil Bulletin, HICP and house-price index, CC BY 4.0, Eurostat is credited as “Source: Eurostat”), [...]

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /v1/email-validate

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone with an x402 wallet paying each call in USDC on Base, Solana, Polygon, Optimism or Arc, or in RLUSD or XRP on the XRP Ledger, with no account or API key (not for illegal activity or to evade international sanctions)

## The 8 fields the plan's answer can hold

email, domain, valid format, MX found, MX hosts, disposable, valid, note

## Vextorium's plans (1)

- [Vextorium, pay as you go](https://datacircle.dev/validate-email-apis/vextorium/pay-as-you-go/llms.txt): $4.00 per 1,000, 50% complete

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

- `POST /v1/email-validate`: [Vextorium, pay as you go](https://datacircle.dev/validate-email-apis/vextorium/pay-as-you-go/llms.txt)

## Vextorium's APIs (4)

- [Vextorium: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/vextorium/pay-as-you-go/llms.txt)
- [Vextorium: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/vextorium/pay-as-you-go/llms.txt)
- [Vextorium: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/vextorium/pay-as-you-go/llms.txt)
- [Vextorium: company enrichment API pricing, 1 plan, POST /v1/company-enrich](https://datacircle.dev/company-enrichment-apis/vextorium/pay-as-you-go-x402-pay-per-call-post-v1-company-enrich/llms.txt)
- [Vextorium: company enrichment API pricing, 1 plan, POST /v1/eu-vat-vies](https://datacircle.dev/company-enrichment-apis/vextorium/pay-as-you-go-x402-pay-per-call-post-v1-eu-vat-vies/llms.txt)
- [Vextorium: company enrichment API pricing, 1 plan, POST /v1/sec-company-profile](https://datacircle.dev/company-enrichment-apis/vextorium/pay-as-you-go-x402-pay-per-call-post-v1-sec-company-profile/llms.txt)

## Vextorium: email verification API alternatives

- [Verimail, $4 pack](https://datacircle.dev/validate-email-apis/verimail/4-pack/llms.txt): $4.00 per 1,000, 50% complete, live
- [MailValid, $8 pack, Pay-as-you-go 2,000 credits, POST /api/v1/verify/bulk](https://datacircle.dev/validate-email-apis/mailvalid/8-pack-pay-as-you-go-2000-credits-post-api-v1-verify-bulk/llms.txt): $4.00 per 1,000, 67% complete, 30 days
- [Easy Email Verification, $200 pack, Pay-as-you-go, 50,000 emails, POST /bulk/upload](https://datacircle.dev/validate-email-apis/easy-email-verification/200-pack-pay-as-you-go-50000-emails-post-bulk-upload/llms.txt): $4.00 per 1,000, 50% complete, live
- [QuickEmailVerification, $200 pack, Persistent Credits, 50,000 credits, GET /v1/verify](https://datacircle.dev/validate-email-apis/quickemailverification/200-pack/llms.txt): $4.00 per 1,000, 50% complete, live
- [ToolCall, pay as you go](https://datacircle.dev/validate-email-apis/toolcall/pay-as-you-go/llms.txt): $4.00 per 1,000, 33% complete

## 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.vextorium.com/catalog.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://api.vextorium.com/legal?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://api.vextorium.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://api.vextorium.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://vextorium.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing