# Abstract API, free: Email validation API

> Used by developers to reduce bounce rates, clean signup forms, and verify B2B leads without lock-in to any email provider.

Abstract API's email validation API on its Free plan, $0.00 per 1,000 emails. 3 of the 6 key fields: Address, Its check, Company.

- This page: https://datacircle.dev/validate-email-apis/abstract-api/free
- Get it: https://www.abstractapi.com/pricing
- Its API docs: https://docs.abstractapi.com/api/email-reputation#getting-started
- Sold by: Abstract API (https://www.abstractapi.com)
- Checked: 2026-10-19

## In the answer

- Completeness: 50%
- Address: ✓
- Its check: ✓
- Company: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Used by developers to reduce bounce rates, clean signup forms, and verify B2B leads without lock-in to any email provider.

## Data

- Freshness: live
- Keep data: no limit, but no collection, database or directory compiled from it without Abstract's written permission
- Use data: You may not access or use the Site for any purpose other than that for which we make the Site available. Without limiting the foregoing, you agree not to: [...] 3. Use the Site or the Content to advertise or offer to sell goods and services or to identify any household, street address, or individual. 4. License, sell, resell, lease, distribute, or otherwise commercially exploit as a standalone product, or make available to any third party, the Site, or any Content not owned by you (unless the Content is expressly licensed to you for such purpose). [...] 13. Use the Site or the Content to spam, phish, pharm, pretext, spider, crawl, or scrape. [...] 17. Use the Site or the Content for any illegal or unauthorized purpose. 18. Use the Site or the Content: for any form of debt collection, as the sole source of data for hard background check purposes, to determine eligibility for a government license or benefit, for any purpose prohibited by applicable data privacy and security laws, for the benefit of any one political candidate, political party, political campaign, or political advocacy group affiliated exclusively with or formed to benefit any one of the foregoing, [...] in connection with any purpose covered by the Fair Credit Reporting Act (15 U.S.C. Sec. 1681 et seq (“FCRA”)) [...], for the preparation of a Consumer Report or in such a manner that may cause such data to be characterized as a Consumer Report, in connection with establishing a consumer’s eligibility for credit or insurance to be used primarily for personal, family, or household purposes [...], for the purpose of evaluating a consumer for employment, promotion, reassignment, or retention as an employee, for any tenancy verification or in connection with any application to rent real property, [...] for any other purpose under the FCRA.

## Plan

- Pay: $0
- You get: 100 requests a month
- Enough for: 100 calls a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: GET
- Path: /v1/

## About the plan

- Plan: Free
- Who can get it: anyone 18 or older

## The 39 fields the plan's answer can hold

email address, suggested correction, status, status detail, format valid, SMTP valid, MX valid, MX records, sender first name, sender last name, email provider name, organization name, organization type, domain, domain age, live site, registrar, registrar URL, date registered, date last renewed, date expires, risky TLD, quality score, free email, suspicious username, disposable, catch-all, subaddress, role address, DMARC enforced, SPF strict, minimum age, address risk status, domain risk status, breach count, first breach date, last breach date, breached domain, breach date

## Abstract API's plans (32)

- [Abstract API, free](https://datacircle.dev/validate-email-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [Abstract API, $19 monthly](https://datacircle.dev/validate-email-apis/abstract-api/19-monthly/llms.txt): $3.80 per 1,000, 33% complete, live
- [Abstract API, $35 monthly](https://datacircle.dev/validate-email-apis/abstract-api/35-monthly/llms.txt): $7.00 per 1,000, 50% complete, live
- [Abstract API, $39 monthly, Professional, 5,000 requests / month](https://datacircle.dev/validate-email-apis/abstract-api/39-monthly-professional-5000-requests-month/llms.txt): $7.80 per 1,000, 50% complete, live
- [Abstract API, $39 monthly, Starter, 15,000 requests / month](https://datacircle.dev/validate-email-apis/abstract-api/39-monthly-starter-15000-requests-month/llms.txt): $2.60 per 1,000, 33% complete, live
- [Abstract API, $59 monthly](https://datacircle.dev/validate-email-apis/abstract-api/59-monthly/llms.txt): $3.933 per 1,000, 50% complete, live
- [Abstract API, $65 monthly](https://datacircle.dev/validate-email-apis/abstract-api/65-monthly/llms.txt): $4.333 per 1,000, 50% complete, live
- [Abstract API, $69 monthly](https://datacircle.dev/validate-email-apis/abstract-api/69-monthly/llms.txt): $2.30 per 1,000, 33% complete, live
- [Abstract API, $99 monthly](https://datacircle.dev/validate-email-apis/abstract-api/99-monthly/llms.txt): $1.98 per 1,000, 33% complete, live
- [Abstract API, $109 monthly](https://datacircle.dev/validate-email-apis/abstract-api/109-monthly/llms.txt): $3.633 per 1,000, 50% complete, live
- [Abstract API, $119 monthly](https://datacircle.dev/validate-email-apis/abstract-api/119-monthly/llms.txt): $3.967 per 1,000, 50% complete, live
- [Abstract API, $149 monthly](https://datacircle.dev/validate-email-apis/abstract-api/149-monthly/llms.txt): $2.98 per 1,000, 50% complete, live
- [Abstract API, $159 monthly](https://datacircle.dev/validate-email-apis/abstract-api/159-monthly/llms.txt): $3.18 per 1,000, 50% complete, live
- [Abstract API, $199 monthly](https://datacircle.dev/validate-email-apis/abstract-api/199-monthly/llms.txt): $1.327 per 1,000, 33% complete, live
- [Abstract API, $399 monthly](https://datacircle.dev/validate-email-apis/abstract-api/399-monthly/llms.txt): $2.66 per 1,000, 50% complete, live
- [Abstract API, $499 monthly](https://datacircle.dev/validate-email-apis/abstract-api/499-monthly/llms.txt): $3.327 per 1,000, 50% complete, live
- [Abstract API, $209 yearly](https://datacircle.dev/validate-email-apis/abstract-api/209-yearly/llms.txt): $3.483 per 1,000, 33% complete, live
- [Abstract API, $385 yearly](https://datacircle.dev/validate-email-apis/abstract-api/385-yearly/llms.txt): $6.417 per 1,000, 50% complete, live
- [Abstract API, $429 yearly, Professional, 60,000 requests / year](https://datacircle.dev/validate-email-apis/abstract-api/429-yearly-professional-60000-requests-year/llms.txt): $7.15 per 1,000, 50% complete, live
- [Abstract API, $429 yearly, Starter, 180,000 requests / year](https://datacircle.dev/validate-email-apis/abstract-api/429-yearly-starter-180000-requests-year/llms.txt): $2.383 per 1,000, 33% complete, live
- [Abstract API, $649 yearly](https://datacircle.dev/validate-email-apis/abstract-api/649-yearly/llms.txt): $3.606 per 1,000, 50% complete, live
- [Abstract API, $715 yearly](https://datacircle.dev/validate-email-apis/abstract-api/715-yearly/llms.txt): $3.972 per 1,000, 50% complete, live
- [Abstract API, $759 yearly](https://datacircle.dev/validate-email-apis/abstract-api/759-yearly/llms.txt): $2.108 per 1,000, 33% complete, live
- [Abstract API, $1,039 yearly](https://datacircle.dev/validate-email-apis/abstract-api/1039-yearly/llms.txt): $2.886 per 1,000, 50% complete, live
- [Abstract API, $1,089 yearly](https://datacircle.dev/validate-email-apis/abstract-api/1089-yearly/llms.txt): $1.815 per 1,000, 33% complete, live
- [Abstract API, $1,199 yearly](https://datacircle.dev/validate-email-apis/abstract-api/1199-yearly/llms.txt): $3.331 per 1,000, 50% complete, live
- [Abstract API, $1,639 yearly](https://datacircle.dev/validate-email-apis/abstract-api/1639-yearly/llms.txt): $2.732 per 1,000, 50% complete, live
- [Abstract API, $1,749 yearly](https://datacircle.dev/validate-email-apis/abstract-api/1749-yearly/llms.txt): $2.915 per 1,000, 50% complete, live
- [Abstract API, $2,189 yearly](https://datacircle.dev/validate-email-apis/abstract-api/2189-yearly/llms.txt): $1.216 per 1,000, 33% complete, live
- [Abstract API, $4,389 yearly](https://datacircle.dev/validate-email-apis/abstract-api/4389-yearly/llms.txt): $2.438 per 1,000, 50% complete, live
- [Abstract API, $5,489 yearly](https://datacircle.dev/validate-email-apis/abstract-api/5489-yearly/llms.txt): $3.049 per 1,000, 50% complete, live
- [Abstract API, contact us](https://datacircle.dev/validate-email-apis/abstract-api/contact-us/llms.txt): 50% complete, live

## Abstract API's calls (1)

- `GET /v1/`: [Abstract API, free](https://datacircle.dev/validate-email-apis/abstract-api/free/llms.txt)

## Similar plans of other providers

- [APILayer, free](https://datacircle.dev/validate-email-apis/apilayer/free/llms.txt): $0.00 per 1,000, 67% complete, live
- [Airscale, free](https://datacircle.dev/validate-email-apis/airscale/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [Anymail Finder, free](https://datacircle.dev/validate-email-apis/anymail-finder/free/llms.txt): $0.00 per 1,000, 17% complete, live
- [BetterEnrich, free, 100 credits free, POST /api/v1/verify-catch-all-email](https://datacircle.dev/validate-email-apis/betterenrich/free-100-credits-free-post-api-v1-verify-catch-all-email/llms.txt): $0.00 per 1,000, 17% 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 2026-10-19.

- https://docs.abstractapi.com/api/email-reputation
- https://docs.abstractapi.com/api/phone-intelligence
- https://www.abstractapi.com/api/email-reputation-api
- https://www.abstractapi.com/api/email-verification-validation-api
- https://www.abstractapi.com/api/phone-validation-api
- https://www.abstractapi.com/legal/dpa
- https://www.abstractapi.com/legal/legal
- https://www.abstractapi.com/pricing