# Greeneris, pay as you go: Email verification API

> Check whether an email address can receive mail before your agent sends anything

Greeneris's Pay per call with x402 plan for the email verification API costs $5.00 per 1,000 emails. Greeneris's docs list 3 of the 6 fields on our checklist: Address, Deliverability, Company.
We haven't run Greeneris through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
Half of the 4,041 plans we rank by price cost $1.999 per 1,000 emails or less. This plan costs less per 1,000 emails than 22% of the 4,041 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/greeneris/pay-as-you-go
- [Email validation API: 210+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://data.greeneris.io/x402-manifest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://data.greeneris.io/v1/validate/email`
- API key: not needed
- Its API docs: https://data.greeneris.io/p/email-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Greeneris (https://greeneris.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

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

## Price

- $ per 1,000 emails: $5.00
- 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: Check whether an email address can receive mail before your agent sends anything

## Data

- Freshness: 1 hour
- What it checks: format, mail servers
- 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: GET
- Path: /v1/validate/email

## About the plan

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

## The 9 fields the plan's answer can hold

email address, domain, syntax valid, domain exists, has MX, null MX, MX hosts, verdict, source

## Greeneris's plans (1)

- [Greeneris, pay as you go](https://datacircle.dev/validate-email-apis/greeneris/pay-as-you-go/llms.txt): $5.00 per 1,000, 50% complete, 1 hour

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

- `GET /v1/validate/email`: [Greeneris, pay as you go](https://datacircle.dev/validate-email-apis/greeneris/pay-as-you-go/llms.txt)

## Greeneris's APIs (5)

- [Greeneris: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/cz/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-cz-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/fi/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fi-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/fr/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/ie/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-ie-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/no/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-no-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/sk/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-sk-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/ch/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-ch-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/uk/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-uk-company/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/fr/invoice-ready](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-invoice-ready/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/global/lei](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-global-lei/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/company-check](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-company-check/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/fr/supplier-risk](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-supplier-risk/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/pl/company](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-pl-company/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/eori](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-eori/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/vat-check](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-vat-check/llms.txt)

## Greeneris: email verification API alternatives

- [MillionPhones, top-up from $5](https://datacircle.dev/validate-email-apis/millionphones/top-up-from-5/llms.txt): $5.00 per 1,000, 33% complete, live
- [NullBounce, $5 pack](https://datacircle.dev/validate-email-apis/nullbounce/5-pack/llms.txt): $5.00 per 1,000, 33% complete, live
- [Qualisend, $5 monthly, Pro, 1,000 credits a month, POST /verify/bulk](https://datacircle.dev/validate-email-apis/qualisend/5-monthly-pro-1000-credits-a-month-post-verify-bulk/llms.txt): $5.00 per 1,000, 50% complete, live
- [MailProbe, $5 pack](https://datacircle.dev/validate-email-apis/mailprobe/5-pack/llms.txt): $5.00 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://data.greeneris.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://data.greeneris.io/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://data.greeneris.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://data.greeneris.io/p/email-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://data.greeneris.io/x402-manifest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://greeneris.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing