# IPIntel, pay as you go: Email verification API

> Email validation for syntax, DNS/MX, disposable domain, role-based address, free provider and provider-typo checks. Returns normalized email, deliverability verdict, risk score, typo suggestion and structured validation flags for agents processing leads, signups and contact data.

IPIntel's Pay per call with x402 plan for the email verification API costs $4.00 per 1,000 emails. IPIntel's docs list 2 of the 6 fields on our checklist: Address, Deliverability.
We haven't run IPIntel through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
We rank 4,098 plans for email verification APIs by price. Half the plans cost $1.995 or less per 1,000 emails. This plan costs less per 1,000 emails than 27% of the 4,098 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), [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/ipintel/pay-as-you-go
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://tools.ipintel.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://tools.ipintel.ai/email-validate`
- API key: not needed
- Its API docs: https://tools.ipintel.ai/email-validate?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: IPIntel (https://tools.ipintel.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Email validation for syntax, DNS/MX, disposable domain, role-based address, free provider and provider-typo checks. Returns normalized email, deliverability verdict, risk score, typo suggestion and structured validation flags for agents processing leads, signups and contact data.

## 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: 1

## Speed

- Answer: in the call

## The call

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

## About the plan

- Plan: Pay per call with x402
- Who can get it: anyone paying from a USDC wallet on Base (x402)

## The 13 fields the plan's answer can hold

email address, normalized email, syntax valid, verdict, risk score, risk reasons, has MX, disposable, role, free, typo detected, suggested domain, suggested email

## IPIntel's plans (1)

- [IPIntel, pay as you go](https://datacircle.dev/validate-email-apis/ipintel/pay-as-you-go/llms.txt): $4.00 per 1,000, 33% complete

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

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

## IPIntel's APIs (3)

- [IPIntel: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/ipintel/pay-as-you-go/llms.txt)
- [IPIntel: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/ipintel/pay-as-you-go/llms.txt)
- [IPIntel: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/ipintel/pay-as-you-go/llms.txt)

## IPIntel: 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

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

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