# LayerCall, free, POST /v1/batch: Email verification API

> One request, one type, up to 500 values.

LayerCall's Free plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields. LayerCall's docs list 2: Address, Deliverability.
We ran LayerCall in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), with a different call from the one on this plan. We haven't run the call on this plan.
This plan is free. We rank 4,716 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. [733 email verification API plans on our price sheet are free.](https://datacircle.dev/best-email-verification-api.txt) [pingutil's free plan](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) scores highest of the free plans in our benchmark, at 82.3 out of 100.
[PayPerQ's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/payperq/pay-as-you-go-pay-per-request-with-l402-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.06.
[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.
[Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/layercall/free-post-v1-batch
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.layercall.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://www.layercall.com/v1/batch`
- API key: with the plan, on https://www.layercall.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://www.layercall.com/docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: LayerCall (https://www.layercall.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-10

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Report what actually happened · Verify an AI agent's signature · Decide what an AI agent may do · Set your AI agent policy · Custom allow / block rules · Report fraud · Migration import · Remove one custom rule · from the same budget: Unified score · IP intelligence · Email validation · Phone validation · Domain intelligence · Device identity scoring

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $0.00

## Catch-all

- $ per 1,000 emails at catch-all domains: $0.00

## In their words

- Their pitch: One request, one type, up to 500 values.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: You agree not to: use the Service for any unlawful purpose or to violate anyone's rights, use results to unlawfully discriminate against individuals, or as the sole automated basis for decisions that produce legal or similarly significant effects on a person without human review, where such review is required by law, attempt to reverse-engineer, resell, or redistribute the raw data or feeds underlying the Service, except the scores and signals returned to you for your own use, circumvent rate limits, quotas, or security measures, or probe the Service for vulnerabilities without permission, submit data you do not have the legal right to process.

## Plan

- Pay: $0
- You get: 1,000 credits a month
- Enough for: 1,000 results a month

## Rate limit

- Per second: 10
- Batch: 500

## Speed

- Answer: in the call

## The call

- You send: type "email", items. Optional: strictness, phone_country
- Method: POST
- Path: /v1/batch

## About the plan

- Plan: Free
- Who can get it: anyone 16 or older

## The 9 fields the plan's answer can hold

email, risk score, verdict, status, sub-status, syntax valid, MX found, request ID, billable lookups

## LayerCall's plans (5)

- [LayerCall, free, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/free-post-v1-batch/llms.txt): $0.00 per 1,000, 33% complete
- [LayerCall, $49 monthly, Starter, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/49-monthly-starter-post-v1-batch/llms.txt): $2.45 per 1,000, 33% complete
- [LayerCall, $199 monthly, Growth, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/199-monthly-growth-post-v1-batch/llms.txt): $1.99 per 1,000, 33% complete
- [LayerCall, $749 monthly, Scale, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/749-monthly-scale-post-v1-batch/llms.txt): $1.498 per 1,000, 33% complete
- [LayerCall, contact us, Enterprise, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/contact-us-enterprise-post-v1-batch/llms.txt): 33% complete

## LayerCall's calls for this API (2)

- `POST /v1/batch`: [LayerCall, free, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/free-post-v1-batch/llms.txt)
- `GET /v1/verify/email`: [LayerCall, free, GET /v1/verify/email](https://datacircle.dev/validate-email-apis/layercall/free-get-v1-verify-email/llms.txt)

## LayerCall's APIs (3)

- [LayerCall Email verification API pricing, 5 plans, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/free-post-v1-batch/llms.txt)
- [LayerCall IP company lookup API pricing, 5 plans, POST /v1/batch](https://datacircle.dev/ip-company-lookup-apis/layercall/free-post-v1-batch/llms.txt)
- [LayerCall IP company lookup API pricing, 5 plans, GET /v1/score/ip](https://datacircle.dev/ip-company-lookup-apis/layercall/free-get-v1-score-ip/llms.txt)
- [LayerCall Phone validation API pricing, 5 plans, POST /v1/batch](https://datacircle.dev/validate-phone-apis/layercall/free-post-v1-batch/llms.txt)
- [LayerCall Phone validation API pricing, 5 plans, GET /v1/lookup/phone](https://datacircle.dev/validate-phone-apis/layercall/free-get-v1-lookup-phone/llms.txt)

## LayerCall: email verification API alternatives

[LayerCall alternatives: other email verification API providers by price](https://datacircle.dev/layercall-alternatives.txt)

We list LayerCall's cheapest paid plan first. Next we list other providers' plans closest to LayerCall in price per 1,000 emails.

- [LayerCall, $749 monthly, Scale, POST /v1/batch](https://datacircle.dev/validate-email-apis/layercall/749-monthly-scale-post-v1-batch/llms.txt): $1.498 per 1,000, 33% complete
- [Pabbly, $449 pack](https://datacircle.dev/validate-email-apis/pabbly/449-pack/llms.txt): $1.497 per 1,000, 50% complete, live
- [skink, $1,499 pack, Max, POST /v1/bulk](https://datacircle.dev/validate-email-apis/skink/1999-pack-max-post-v1-bulk/llms.txt): $1.499 per 1,000, 50% complete
- [EmailVerify.io, $1,499 pack, Pay As You Go, 1,000,000 Credits, POST /validate-batch](https://datacircle.dev/validate-email-apis/emailverify-io/1499-pack-pay-as-you-go-1000000-credits-post-validate-batch/llms.txt): $1.499 per 1,000, 33% complete, live
- [BounceCheck, $29.99 monthly, Pro, POST /verification/bulk](https://datacircle.dev/validate-email-apis/bouncecheck/29-99-monthly-pro-post-verification-bulk/llms.txt): $1.50 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 2026-11-10.

- https://www.layercall.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/docs/test-mode?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.layercall.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing