# A-Leads, free: Email verification API

> Validate and verify email addresses in real-time to improve deliverability.

A-Leads's email verification API on its Free trial plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
We haven't run A-Leads 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/a-leads/free
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.a-leads.co/gateway/v1/search/verify-email`
- API key: with the plan, on https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://docs.a-leads.co/reference/post_verify-email.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: A-Leads (https://a-leads.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Advanced Search · Find Email · Find Personal Email · Find Phone Number · Company Search · Company Details by ID · Similar Company Search · Reverse Email Lookup · Bulk Advanced Search · Perform Bulk Company Search

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate and verify email addresses in real-time to improve deliverability.

## Data

- Keep data: during the applicable Subscription Term
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable license during the applicable Subscription Term to access and use the Service and related Documentation solely for Customer’s internal business operations [...] The Service may not be resold, sub-licensed, leased, rented, assigned, shared, or otherwise transferred to any third party except as expressly permitted in this Agreement or in an Order Form approved by the Company. Data outputs or reports derived from the Service may not be republished or used to create a competing database or service. [...] Customer and Authorized Users shall not access the Service for purposes of monitoring its availability, performance, or functionality, or for any other competitive or benchmarking analysis without the Company’s written approval.

## Plan

- Pay: $0

## Rate limit

- Per day: 6,000
- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: data.email
- Method: POST
- Path: /verify-email

## About the plan

- Plan: Free trial
- Who can get it: anyone who doesn't directly compete with A-Leads in lead intelligence, data analytics or similar software

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

message status, message status code, message description, valid, quality, result, catch-all, email service provider

## A-Leads's plans (8)

- [A-Leads, free](https://datacircle.dev/validate-email-apis/a-leads/free/llms.txt): $0.00 per 1,000, 50% complete
- [A-Leads, $60 monthly](https://datacircle.dev/validate-email-apis/a-leads/60-monthly/llms.txt): $12.00 per 1,000, 50% complete
- [A-Leads, $99 monthly](https://datacircle.dev/validate-email-apis/a-leads/99-monthly/llms.txt): $8.25 per 1,000, 50% complete
- [A-Leads, $199 monthly](https://datacircle.dev/validate-email-apis/a-leads/199-monthly/llms.txt): $6.633 per 1,000, 50% complete
- [A-Leads, $600 yearly](https://datacircle.dev/validate-email-apis/a-leads/600-yearly/llms.txt): $10.00 per 1,000, 50% complete
- [A-Leads, $984 yearly](https://datacircle.dev/validate-email-apis/a-leads/984-yearly/llms.txt): $6.833 per 1,000, 50% complete
- [A-Leads, $1,980 yearly](https://datacircle.dev/validate-email-apis/a-leads/1980-yearly/llms.txt): $5.50 per 1,000, 50% complete
- [A-Leads, contact us](https://datacircle.dev/validate-email-apis/a-leads/contact-us/llms.txt): 50% complete

## A-Leads's calls for this API (1)

- `POST /verify-email`: [A-Leads, free](https://datacircle.dev/validate-email-apis/a-leads/free/llms.txt)

## A-Leads's APIs (8)

- [A-Leads: company discovery API pricing, 8 plans](https://datacircle.dev/company-discovery-apis/a-leads/free/llms.txt)
- [A-Leads: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/a-leads/free/llms.txt)
- [A-Leads: similar companies API pricing, 8 plans](https://datacircle.dev/similar-company-apis/a-leads/free/llms.txt)
- [A-Leads: email verification API pricing, 8 plans](https://datacircle.dev/validate-email-apis/a-leads/free/llms.txt)
- [A-Leads: phone finder API pricing, 8 plans](https://datacircle.dev/find-phone-apis/a-leads/free/llms.txt)
- [A-Leads: people search API pricing, 8 plans](https://datacircle.dev/people-search-apis/a-leads/free/llms.txt)
- [A-Leads: reverse email lookup API pricing, 8 plans](https://datacircle.dev/reverse-email-lookup-apis/a-leads/free/llms.txt)
- [A-Leads: email finder API pricing, 8 plans, POST /find-email](https://datacircle.dev/find-email-apis/a-leads/free-trial-post-find-email/llms.txt)
- [A-Leads: email finder API pricing, 8 plans, POST /find-email/personal](https://datacircle.dev/find-email-apis/a-leads/free-trial-post-find-email-personal/llms.txt)

## A-Leads: email verification API alternatives

- [Clearout, $5,500 pack, 5 million credits, POST /email_verify/instant, Instant Verify, full](https://datacircle.dev/validate-email-apis/clearout/5500-pack-5-million-credits-post-email-verify-instant-instant-verify-full/llms.txt): $5.50 per 1,000, 50% complete, live
- [Heybounce, $55 pack, Pay As You Go 10,000 credits, GET /validate](https://datacircle.dev/validate-email-apis/heybounce/55-pack-pay-as-you-go-10000-credits-get-validate/llms.txt): $5.50 per 1,000, 50% complete, live
- [Kickbox, $275 pack, 50,000 verifications, GET /verify](https://datacircle.dev/validate-email-apis/kickbox/275-pack-50000-verifications-get-verify/llms.txt): $5.50 per 1,000, 67% complete, live
- [Alibaba Cloud, $275 pack, 50,000, POST /, ValidateEmail](https://datacircle.dev/validate-email-apis/alibaba-cloud/275-pack-50000-post-validateemail/llms.txt): $5.50 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 2026-11-04.

- https://a-leads.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://a-leads.co/_astro/pricing-section.n0Zcmnpc.js?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://a-leads.co/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://a-leads.co/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.a-leads.co/docs/mcp.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.a-leads.co/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.a-leads.co/reference/post_verify-email.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://support.a-leads.co/credits-and-billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://support.a-leads.co/getting-started?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing