# Greip, free: Email verification API

> This method provides an additional layer of validation for your system. While validating email syntax is important, it is not sufficient.

Greip's email verification API on its 3-day free trial plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
We haven't run Greip through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,341 plans for email verification APIs by price. Half the plans cost $1.985 per 1,000 emails or less.
[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.
[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.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/greip/free
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://greip.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://v2.greipapi.com/score/email/{email}`
- API key: with the plan, on https://greip.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://docs.greip.io/api-reference/v2/endpoint/scoring/email?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Greip (https://greip.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

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

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Phone Scoring · IP Geolocation · Bulk IP Lookup · Country Data · BIN / IIN Lookup · IBAN Validation · ASN Lookup · Payment Fraud Detection · Profanity Detection

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: This method provides an additional layer of validation for your system. While validating email syntax is important, it is not sufficient.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: only as necessary for fraud prevention, security, and audit or compliance records: "systematically scrape, harvest, cache or store Output to build a database or dataset that replicates or substitutes for the Services" is not allowed
- Use data: for your internal business purposes, including within your own products and services offered to your end users, "only for their intended purpose of fraud prevention, risk assessment and related data validation and lookups", "you must not resell, sublicense, or redistribute the Services or Output as a standalone data product, or offer the Services to third parties as a competing API or data service", "You must not, and must not allow anyone else to: (a) use the Services for any unlawful, fraudulent or deceptive purpose, or in breach of any applicable law or third-party right, (b) abuse or misuse the Services beyond their intended fraud-prevention use, including using Output to discriminate unlawfully against individuals, or to surveil, profile or track individuals without a lawful basis, [...] (h) systematically scrape, harvest, cache or store Output to build a database or dataset that replicates or substitutes for the Services [...] provided you do not republish or resell Output as a standalone data product, (i) use the Services to build a competing product, or for benchmarking published without our consent"

## Plan

- Pay: $0
- You get: 1,000 requests
- Enough for: 1,000 calls, once
- Expires: 3 days

## Rate limit

- Per second: 1000
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: mode, source, user_id
- Method: GET
- Path: /score/email/{email}

## About the plan

- Plan: 3-day free trial
- Who can get it: anyone using it for their trade, business, craft or profession, not as a consumer, the trial turns into the paid plan chosen at the end unless cancelled before it ends

## The 28 fields the plan's answer can hold

success, email, valid, free, role-based, educational, disposable, blacklisted, domain, domain disposable, domain forwarding, domain dangerous, SPF, DMARC, DKIM, MX, BIMI, domain created at, new domain, domain age days, has website, MX provider class, custom rules applied, risk level, recommendation, reasons, rules, execution time

## Greip's plans (3)

- [Greip, free](https://datacircle.dev/validate-email-apis/greip/free/llms.txt): $0.00 per 1,000, 50% complete
- [Greip, pay as you go](https://datacircle.dev/validate-email-apis/greip/pay-as-you-go/llms.txt): 50% complete
- [Greip, $89 monthly](https://datacircle.dev/validate-email-apis/greip/89-monthly/llms.txt): $0.223 per 1,000, 50% complete

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

- `GET /score/email/{email}`: [Greip, free](https://datacircle.dev/validate-email-apis/greip/free/llms.txt)

## Greip's APIs (2)

- [Greip: email verification API pricing, 3 plans](https://datacircle.dev/validate-email-apis/greip/free/llms.txt)
- [Greip: phone validation API pricing, 3 plans](https://datacircle.dev/validate-phone-apis/greip/free/llms.txt)

## Greip: email verification API alternatives

- [VerifySwift, $399.99 monthly, Daily Credits 60,000 a day](https://datacircle.dev/validate-email-apis/verifyswift/399-99-monthly-daily-credits-60000-a-day/llms.txt): $0.222 per 1,000, 50% complete, live
- [ProWebLook, $2,680.32 yearly](https://datacircle.dev/validate-email-apis/proweblook/2680-32-yearly/llms.txt): $0.223 per 1,000, 33% complete, live
- [No2Bounce, $13,431 yearly](https://datacircle.dev/validate-email-apis/no2bounce/13431-yearly/llms.txt): $0.224 per 1,000, 0% complete, live
- [Elastic Email, $899 monthly, Email API Pro (4,000,000 emails/month), POST /verifications/files](https://datacircle.dev/validate-email-apis/elastic-email/899-monthly-email-api-pro-4000000-emails-month-post-verifications-files/llms.txt): $0.225 per 1,000, 50% 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 2026-11-04.

- https://docs.greip.io/api-reference/v2/endpoint/scoring/email.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.greip.io/usage-limits.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://greip.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://greip.io/detailed-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://greip.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://greip.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing