# FindLeadEmails, free: Email verification API

> Verify a work email without sending to it. Catch-all domains are labelled catch-all and are not billed as valid.

FindLeadEmails's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
We rank 3,227 plans by price. [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 our benchmark.

- This page: https://datacircle.dev/validate-email-apis/findleademails/free
- [Best email verification API in 2026: providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.findleademails.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://www.findleademails.com/api/v1/verify`
- API key: with the plan, on https://www.findleademails.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://www.findleademails.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#verify
- Sold by: FindLeadEmails (https://www.findleademails.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Find one work email · Find emails in one synchronous batch · Queue an async bulk job

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify a work email without sending to it. Catch-all domains are labelled catch-all and are not billed as valid.

## Data

- Freshness: live
- What it checks: mail servers, mailbox
- Keep data: no limit
- Use data: You agree not to use the Service to: Send unsolicited messages in breach of anti-spam law applicable to you or your recipients. Harass, defraud, impersonate or endanger any person. Compile data about private individuals rather than professional business contacts. Resell raw results as a competing data product, or scrape the Service. Circumvent credit metering, rate limits or access controls.

## Plan

- Pay: $0
- You get: 50 credits
- Enough for: 50 calls, once
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 2.23 s

## The call

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

## About the plan

- Plan: Free
- Who can get it: anyone at least 18 and not barred from receiving services under applicable law

## The 8 fields the plan's answer can hold

email, status, label, explanation, next step, repeat, credits used, credits remaining

## FindLeadEmails's plans (10)

- [FindLeadEmails, free](https://datacircle.dev/validate-email-apis/findleademails/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [FindLeadEmails, $9 pack](https://datacircle.dev/validate-email-apis/findleademails/9-pack/llms.txt): $18.00 per 1,000, 33% complete, live
- [FindLeadEmails, $29 pack](https://datacircle.dev/validate-email-apis/findleademails/29-pack/llms.txt): $14.50 per 1,000, 33% complete, live
- [FindLeadEmails, $99 pack](https://datacircle.dev/validate-email-apis/findleademails/99-pack/llms.txt): $9.90 per 1,000, 33% complete, live
- [FindLeadEmails, $399 pack](https://datacircle.dev/validate-email-apis/findleademails/399-pack/llms.txt): $7.98 per 1,000, 33% complete, live
- [FindLeadEmails, $9 monthly](https://datacircle.dev/validate-email-apis/findleademails/9-monthly/llms.txt): $9.00 per 1,000, 33% complete, live
- [FindLeadEmails, $29 monthly](https://datacircle.dev/validate-email-apis/findleademails/29-monthly/llms.txt): $5.80 per 1,000, 33% complete, live
- [FindLeadEmails, $69 monthly](https://datacircle.dev/validate-email-apis/findleademails/69-monthly/llms.txt): $4.60 per 1,000, 33% complete, live
- [FindLeadEmails, $349 monthly](https://datacircle.dev/validate-email-apis/findleademails/349-monthly/llms.txt): $3.49 per 1,000, 33% complete, live
- [FindLeadEmails, contact us](https://datacircle.dev/validate-email-apis/findleademails/contact-us/llms.txt): 33% complete, live

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

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

## FindLeadEmails's APIs (2)

- [FindLeadEmails: email verification API pricing, 10 plans](https://datacircle.dev/validate-email-apis/findleademails/free/llms.txt)
- [FindLeadEmails: email finder API pricing, 10 plans, POST /api/v1/bulk/find](https://datacircle.dev/find-email-apis/findleademails/free-post-api-v1-bulk-find/llms.txt)
- [FindLeadEmails: email finder API pricing, 10 plans, POST /api/v1/email/find](https://datacircle.dev/find-email-apis/findleademails/free-post-api-v1-email-find/llms.txt)
- [FindLeadEmails: email finder API pricing, 10 plans, POST /api/v1/jobs](https://datacircle.dev/find-email-apis/findleademails/free-post-api-v1-jobs/llms.txt)

## FindLeadEmails: email verification API alternatives

- [GetProspect, $1,672 yearly, Growth 20k, GET /v2/email-verifier](https://datacircle.dev/validate-email-apis/getprospect/1672-yearly-growth-20k-get-v2-email-verifier/llms.txt): $3.483 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
- [Verifox, $349 pack, 100,000 credits, GET /email-validation/{email}](https://datacircle.dev/validate-email-apis/verifox/349-pack-100000-credits-get-email-validation-email/llms.txt): $3.49 per 1,000, 67% complete, live
- [BounceBan, top-up from $175, 50,000 Credits, Pay-As-You-Go, POST /v1/verify/bulk](https://datacircle.dev/validate-email-apis/bounceban/top-up-from-175-50000-credits-pay-as-you-go-post-v1-verify-bulk/llms.txt): $3.50 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 2026-11-02.

- https://www.findleademails.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/docs/mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/email-finder-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.findleademails.com/resources/cost-of-a-high-bounce-rate?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing