# lemlist, free: Email validation API

> lemlist’s free Email Checker helps you verify email addresses in seconds, reducing bounces and ensuring your outreach campaigns hit the mark.

lemlist's email validation API on its 14-day free trial plan, $0.00 per 1,000 emails.

- This page: https://datacircle.dev/validate-email-apis/lemlist/free
- Get it: https://www.lemlist.com/pricing
- Its API docs: https://developer.lemlist.com/api-reference/endpoints/enrich/enrich-data
- Sold by: lemlist (https://www.lemlist.com)
- Checked: 2026-10-17

## Price

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

## Charges

- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: lemlist’s free Email Checker helps you verify email addresses in seconds, reducing bounces and ensuring your outreach campaigns hit the mark.

## Data

- Freshness: live
- Keep data: no limit
- Use data: in your own name and on your own behalf, not passed on to your own customers even for free (agencies under its specific terms), no spam, under its Sending Policy, API calls kept to a reasonable volume

## Plan

- Pay: $0
- You get: 200 credits
- Enough for: 200 calls, once

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: verifyEmail=true, and email, findEmail, findPhone, linkedinEnrichment, linkedinUrl, firstName, lastName, companyName, companyDomain, jobTitle, webhookUrl
- Method: POST
- Path: /enrich

## About the plan

- Plan: 14-day free trial
- Who can get it: professionals 18 or over

## The 7 fields in the plan's answer

task ID, task status, input data, email, email status, not found, credits consumed

## lemlist's plans (33)

- [lemlist, free](https://datacircle.dev/validate-email-apis/lemlist/free/llms.txt): $0.00 per 1,000, live
- [lemlist, $28 pack](https://datacircle.dev/validate-email-apis/lemlist/28-pack/llms.txt): $14.00 per 1,000, live
- [lemlist, $70 pack](https://datacircle.dev/validate-email-apis/lemlist/70-pack/llms.txt): $14.00 per 1,000, live
- [lemlist, $134 pack](https://datacircle.dev/validate-email-apis/lemlist/134-pack/llms.txt): $13.40 per 1,000, live
- [lemlist, $322 pack](https://datacircle.dev/validate-email-apis/lemlist/322-pack/llms.txt): $12.88 per 1,000, live
- [lemlist, $630 pack](https://datacircle.dev/validate-email-apis/lemlist/630-pack/llms.txt): $12.60 per 1,000, live
- [lemlist, $1,190 pack](https://datacircle.dev/validate-email-apis/lemlist/1190-pack/llms.txt): $11.90 per 1,000, live
- [lemlist, $2,240 pack](https://datacircle.dev/validate-email-apis/lemlist/2240-pack/llms.txt): $11.20 per 1,000, live
- [lemlist, $20 monthly](https://datacircle.dev/validate-email-apis/lemlist/20-monthly/llms.txt): $10.00 per 1,000, live
- [lemlist, $49 monthly](https://datacircle.dev/validate-email-apis/lemlist/49-monthly/llms.txt): $9.80 per 1,000, live
- [lemlist, $94 monthly](https://datacircle.dev/validate-email-apis/lemlist/94-monthly/llms.txt): $9.40 per 1,000, live
- [lemlist, $109 monthly](https://datacircle.dev/validate-email-apis/lemlist/109-monthly/llms.txt): $272.50 per 1,000, live
- [lemlist, $225 monthly](https://datacircle.dev/validate-email-apis/lemlist/225-monthly/llms.txt): $9.00 per 1,000, live
- [lemlist, $441 monthly](https://datacircle.dev/validate-email-apis/lemlist/441-monthly/llms.txt): $8.82 per 1,000, live
- [lemlist, $833 monthly](https://datacircle.dev/validate-email-apis/lemlist/833-monthly/llms.txt): $8.33 per 1,000, live
- [lemlist, $1,568 monthly](https://datacircle.dev/validate-email-apis/lemlist/1568-monthly/llms.txt): $7.84 per 1,000, live
- [lemlist, $54 quarterly](https://datacircle.dev/validate-email-apis/lemlist/54-quarterly/llms.txt): $9.00 per 1,000, live
- [lemlist, $132 quarterly](https://datacircle.dev/validate-email-apis/lemlist/132-quarterly/llms.txt): $8.80 per 1,000, live
- [lemlist, $255 quarterly](https://datacircle.dev/validate-email-apis/lemlist/255-quarterly/llms.txt): $8.50 per 1,000, live
- [lemlist, $297 quarterly](https://datacircle.dev/validate-email-apis/lemlist/297-quarterly/llms.txt): $247.50 per 1,000, live
- [lemlist, $609 quarterly](https://datacircle.dev/validate-email-apis/lemlist/609-quarterly/llms.txt): $8.12 per 1,000, live
- [lemlist, $1,191 quarterly](https://datacircle.dev/validate-email-apis/lemlist/1191-quarterly/llms.txt): $7.94 per 1,000, live
- [lemlist, $2,250 quarterly](https://datacircle.dev/validate-email-apis/lemlist/2250-quarterly/llms.txt): $7.50 per 1,000, live
- [lemlist, $4,233 quarterly](https://datacircle.dev/validate-email-apis/lemlist/4233-quarterly/llms.txt): $7.055 per 1,000, live
- [lemlist, $192 yearly](https://datacircle.dev/validate-email-apis/lemlist/192-yearly/llms.txt): $8.00 per 1,000, live
- [lemlist, $468 yearly](https://datacircle.dev/validate-email-apis/lemlist/468-yearly/llms.txt): $7.80 per 1,000, live
- [lemlist, $900 yearly](https://datacircle.dev/validate-email-apis/lemlist/900-yearly/llms.txt): $7.50 per 1,000, live
- [lemlist, $1,044 yearly](https://datacircle.dev/validate-email-apis/lemlist/1044-yearly/llms.txt): $217.50 per 1,000, live
- [lemlist, $2,160 yearly](https://datacircle.dev/validate-email-apis/lemlist/2160-yearly/llms.txt): $7.20 per 1,000, live
- [lemlist, $4,236 yearly](https://datacircle.dev/validate-email-apis/lemlist/4236-yearly/llms.txt): $7.06 per 1,000, live
- [lemlist, $7,992 yearly](https://datacircle.dev/validate-email-apis/lemlist/7992-yearly/llms.txt): $6.66 per 1,000, live
- [lemlist, $15,048 yearly](https://datacircle.dev/validate-email-apis/lemlist/15048-yearly/llms.txt): $6.27 per 1,000, live
- [lemlist, contact us](https://datacircle.dev/validate-email-apis/lemlist/contact-us/llms.txt): live

## lemlist's calls (1)

- `POST /enrich`: [lemlist, free](https://datacircle.dev/validate-email-apis/lemlist/free/llms.txt)

## Similar plans of other providers

- [Anymail Finder, free](https://datacircle.dev/validate-email-apis/anymail-finder/free/llms.txt): $0.00 per 1,000, live
- [Clearout, free](https://datacircle.dev/validate-email-apis/clearout/free/llms.txt): $0.00 per 1,000, live
- [Dropcontact, free](https://datacircle.dev/validate-email-apis/dropcontact/free/llms.txt): $0.00 per 1,000, live
- [EmailListVerify, free, 100 free verifications, POST /api/verifyApiFile](https://datacircle.dev/validate-email-apis/emaillistverify/free-100-free-verifications-post-api-verifyapifile/llms.txt): $0.00 per 1,000, live

## Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-17.

- https://developer.lemlist.com/api-reference/endpoints/enrich/bulk-enrich-data
- https://developer.lemlist.com/api-reference/endpoints/enrich/enrich-data
- https://developer.lemlist.com/api-reference/endpoints/enrich/get-enrichment-result
- https://developer.lemlist.com/api-reference/getting-started/rate-limits
- https://developer.lemlist.com/api-reference/objects-definitions/enrich
- https://help.lemlist.com/en/articles/17228708-choose-which-enrichment-providers-run-first-with-a-custom-waterfall
- https://help.lemlist.com/en/articles/4941590-lemlist-free-trial-what-s-included-and-how-it-works
- https://help.lemlist.com/en/articles/6643849-lemlist-plans-how-to-choose-the-right-one
- https://help.lemlist.com/en/articles/7939921-enrich-leads-with-finder-verifier-and-phone
- https://help.lemlist.com/en/articles/8136574-understand-email-deliverability-statuses
- https://help.lemlist.com/en/articles/8255808-use-the-people-database
- https://help.lemlist.com/en/articles/8944295-credits-how-they-work
- https://www.lemlist.com
- https://www.lemlist.com/free-tools/email-checker
- https://www.lemlist.com/legal/terms
- https://www.lemlist.com/pricing
- https://www.lemlist.com/product/email-finder-and-verifier
- https://www.lemlist.com/product/phone-number-finder