# LastDatabase, free: Email verification API

> Verify an individual email address through the authenticated integration API.

LastDatabase's Free plan for the email verification API costs $0.00 per 1,000 emails. LastDatabase's docs list 2 of the 6 fields on our checklist: Address, Deliverability.
We haven't run LastDatabase through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,041 plans for email verification APIs by price. Half the plans cost $1.999 per 1,000 emails or less. [See the best free email verification API plan.](https://datacircle.dev/best-email-verification-api.txt)
[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/lastdatabase/free
- [Email validation API: 210+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://lastdatabase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://lastdatabase.com/api/integrations/v1/email/verify`
- API key: with the plan, on https://lastdatabase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://lastdatabase.com/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: LastDatabase (https://lastdatabase.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-07

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Lead Data Search API · Search people · Unlock a person · Phone Verification API · WhatsApp Number Verification API · Telegram Number Verification API · Credits and Usage API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify an individual email address through the authenticated integration API.

## Data

- What it checks: format, mail servers, mailbox
- Keep data: no limit
- Use data: You may not use LastDatabase services for: Illegal, fraudulent or deceptive activities. Harassment, threats or abusive communications. Unauthorized access to systems or accounts. Violation of applicable privacy or marketing laws. Misrepresentation of identity or affiliation. Abuse or circumvention of API limits or security controls. Unauthorized resale or redistribution of protected platform assets. Activities that materially interfere with our services or infrastructure. Customers are responsible for ensuring that their use of data and services complies with laws and regulations applicable to their activities and jurisdictions.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /api/integrations/v1/email/verify

## About the plan

- Plan: Free
- Who can get it: anyone with a verified LastDatabase account

## The 4 fields the plan's answer can hold

status, type, email address, verification result

## LastDatabase's plans (3)

- [LastDatabase, free](https://datacircle.dev/validate-email-apis/lastdatabase/free/llms.txt): $0.00 per 1,000, 33% complete
- [LastDatabase, $99 monthly](https://datacircle.dev/validate-email-apis/lastdatabase/99-monthly/llms.txt): 33% complete
- [LastDatabase, $499 monthly](https://datacircle.dev/validate-email-apis/lastdatabase/499-monthly/llms.txt): 33% complete

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

- `POST /api/integrations/v1/email/verify`: [LastDatabase, free](https://datacircle.dev/validate-email-apis/lastdatabase/free/llms.txt)

## LastDatabase's APIs (3)

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

## LastDatabase: email verification API alternatives

- [pingutil, free API key, POST /v1/verify](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt): $0.00 per 1,000, 50% complete, 30 days
- [MailTester Ninja, free, No token](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token/llms.txt): $0.00 per 1,000, 50% complete, live
- [Giggal, free trial, POST /v1/verify-batch](https://datacircle.dev/validate-email-apis/giggal/free-trial-post-v1-verify-batch/llms.txt): $0.00 per 1,000, 67% complete, live
- [Enrich.so, free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [graph8, free](https://datacircle.dev/validate-email-apis/graph8/free/llms.txt): $0.00 per 1,000, 33% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://lastdatabase.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://lastdatabase.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://lastdatabase.com/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://lastdatabase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://lastdatabase.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing