# RankFabrik, free, Trial, GET /verifier-lot: Email verification API

> Up to a hundred addresses in one call, deduplicated, with a per-verdict summary.

RankFabrik's email verification API on its Trial plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
The cheapest of the 1,847 plans we rank by price is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt). treg asks one provider after another until one answers. treg costs $0.00 per 1,000 emails on average. You pay $26.95 per 1,000 emails when no provider answers.
[Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/149-monthly/llms.txt), [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) and [treg](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) are the best email verification API providers in our benchmark.

- This page: https://datacircle.dev/validate-email-apis/rankfabrik/free-trial-get-verifier-lot
- [Best email verification API in 2026](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://rankfabrik.com/tarifs
- Request: `GET https://verify.rankfabrik.com/verifier-lot`
- API key: with the plan, on https://rankfabrik.com/tarifs
- Its API docs: https://rankfabrik.com/produits/verification
- Sold by: RankFabrik (https://rankfabrik.com)
- Checked: 2026-10-27

## 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: from the same budget: GET /verifier

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Up to a hundred addresses in one call, deduplicated, with a per-verdict summary.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no limit
- Use data: The client remains responsible for how it uses the data it collects, particularly under the General Data Protection Regulation when that data concerns natural persons.

## Plan

- Pay: €0
- You get: 500 results a month
- Enough for: 500 results a month
- Expires: end of the month: the quota resets to zero every month

## Rate limit

- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: emails
- Method: GET
- Path: /verifier-lot

## About the plan

- Plan: Trial
- Who can get it: anyone

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

email address, verdict, code, received count, count, summary, truncated, completeness, measures

## RankFabrik's plans (3)

- [RankFabrik, free, Trial, GET /verifier-lot](https://datacircle.dev/validate-email-apis/rankfabrik/free-trial-get-verifier-lot/llms.txt): $0.00 per 1,000, 33% complete, live
- [RankFabrik, €100 monthly, Artisan, GET /verifier-lot](https://datacircle.dev/validate-email-apis/rankfabrik/100-monthly-artisan-get-verifier-lot/llms.txt): $4.501 per 1,000, 33% complete, live
- [RankFabrik, €600 monthly, Studio, GET /verifier-lot](https://datacircle.dev/validate-email-apis/rankfabrik/600-monthly-studio-get-verifier-lot/llms.txt): $4.501 per 1,000, 33% complete, live

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

- `GET /verifier-lot`: [RankFabrik, free, Trial, GET /verifier-lot](https://datacircle.dev/validate-email-apis/rankfabrik/free-trial-get-verifier-lot/llms.txt)
- `GET /verifier`: [RankFabrik, free, Trial, GET /verifier](https://datacircle.dev/validate-email-apis/rankfabrik/free-trial-get-verifier/llms.txt)

## RankFabrik's APIs (4)

- [RankFabrik: job postings API pricing, 3 plans, GET /balayer](https://datacircle.dev/job-posting-apis/rankfabrik/free-trial-get-balayer/llms.txt)
- [RankFabrik: job postings API pricing, 3 plans, GET /offres](https://datacircle.dev/job-posting-apis/rankfabrik/free-trial-get-offres/llms.txt)
- [RankFabrik: email verification API pricing, 3 plans, GET /verifier-lot](https://datacircle.dev/validate-email-apis/rankfabrik/free-trial-get-verifier-lot/llms.txt)
- [RankFabrik: LinkedIn job details API pricing, 3 plans, GET /fiche](https://datacircle.dev/linkedin-job-details-apis/rankfabrik/free-trial-get-fiche/llms.txt)
- [RankFabrik: LinkedIn job details API pricing, 3 plans, GET /fiches](https://datacircle.dev/linkedin-job-details-apis/rankfabrik/free-trial-get-fiches/llms.txt)
- [RankFabrik: company enrichment API pricing, 3 plans, GET /societe](https://datacircle.dev/company-enrichment-apis/rankfabrik/free-trial-get-societe/llms.txt)
- [RankFabrik: company enrichment API pricing, 3 plans, GET /societes](https://datacircle.dev/company-enrichment-apis/rankfabrik/free-trial-get-societes/llms.txt)

## RankFabrik: email verification API alternatives

- [WhoisXML API, $540 yearly, Yearly subscription 10,000 Queries, GET /api/v3](https://datacircle.dev/validate-email-apis/whoisxml-api/540-yearly-yearly-subscription-10000-queries-get-api-v3/llms.txt): $4.50 per 1,000, 50% complete, live
- [BetterEnrich, $900 monthly, Professional, 40K credits, POST /api/v1/verify-catch-all-email](https://datacircle.dev/validate-email-apis/betterenrich/900-monthly-professional-40k-credits-post-api-v1-verify-catch-all-email/llms.txt): $4.50 per 1,000, 17% complete, live
- [MailRambo, $9 pack](https://datacircle.dev/validate-email-apis/mailrambo/9-pack/llms.txt): $4.50 per 1,000, 50% complete, live
- [MailValidation.io, $45 monthly, Starter, POST /api/validate/](https://datacircle.dev/validate-email-apis/mailvalidation-io/45-monthly-starter-post-api-validate/llms.txt): $4.500 per 1,000, 33% 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 2026-10-27.

- https://rankfabrik.com
- https://rankfabrik.com/conditions
- https://rankfabrik.com/documentation
- https://rankfabrik.com/email-verification-api
- https://rankfabrik.com/produits/verification
- https://rankfabrik.com/tarifs