# The Data Group, free: Reverse email lookup API

> The Data Group’s Email Lookup service is designed to verify the name and address associated with each inbound email lead.

The Data Group's reverse email lookup API on its Free test plan. It costs $0.00 per 1,000 people. It returns none of the 13 key fields we check: Experience, Education, Skills, Headline and 9 more.
We haven't run The Data Group through [our reverse email lookup API benchmark](https://datacircle.dev/best-reverse-email-lookup-api.txt) yet.
This plan is free. We rank 395 plans for reverse email lookup APIs by price. Half the plans cost $25.00 per 1,000 people or less.
[Village's $1 monthly plan](https://datacircle.dev/reverse-email-lookup-apis/village/1-monthly-core-post-v2-people-enrich-by-email-reverse-lookup-by-email-cached-only/llms.txt) costs the least per 1,000 people: as little as $0.0000039. Village's $1 monthly plan covers up to 259,200,000 people a month at no extra cost.
[Village's $25 pack (Reverse Lookup by Email, cached only)](https://datacircle.dev/reverse-email-lookup-apis/village/25-pack-1000-credits-post-v2-people-enrich-by-email-reverse-lookup-by-email-cached-only/llms.txt) covers any number of people. Village's $25 pack costs more up front than Village's $1 monthly plan.
[GetProspect](https://datacircle.dev/reverse-email-lookup-apis/getprospect/399-monthly-growth-50k-post-v2-people-enrich/llms.txt), [Village](https://datacircle.dev/reverse-email-lookup-apis/village/1-monthly/llms.txt) and [treg](https://datacircle.dev/reverse-email-lookup-apis/treg/top-up-from-200/llms.txt) are the best reverse email lookup API providers in our benchmark.

- This page: https://datacircle.dev/reverse-email-lookup-apis/the-data-group/free
- [Reverse email lookup API: 20+ providers compared](https://datacircle.dev/best-reverse-email-lookup-api.txt)
- Get it: https://thedatagroup.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Request: Docs on request from sales
- API key: with the plan, on https://thedatagroup.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Its API docs: https://thedatagroup.com/data-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Sold by: The Data Group (https://thedatagroup.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The Data Group’s Email Lookup service is designed to verify the name and address associated with each inbound email lead.

## Data

- Keep data: "All Data provided under this Agreement is only available for Licensee’s one-time use." [...] "Licensee shall not make or cause to make any copies of the Data for any reason." [...] On termination or expiration: "Licensee shall not retain any portion of the Data and shall discontinue all use of the Data and, within thirty (30) days, erase, purge, destroy and/or return to Data Group any and all Data"
- Use data: "Licensee agrees that it shall use the Data only for its own internal and lawful direct marketing purposes." [...] "Licensee shall not provide the Data, in whole or in part, nor shall it provide any subset of the Data, to any third party as a stand-alone product, file or database." [...] "Licensee is prohibited from reselling, sublicensing, or otherwise providing the Data to any third-party." [...] "Licensee shall not use any Data as a factor in determining a consumer’s credit qualifications for (a) credit or insurance used primarily for personal, family or household purposes, (b) employment purposes, or (c) other purposes set forth in Section 604 of the FCRA" [...] "Licensee shall not use the Data as part of an application that provides name or phone number lookups to companies providing live-operator directory assistance services."

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls

## Rate limit

- Batch: 1

## The call

- You send: Docs on request from sales

## About the plan

- Plan: Free test
- Who can get it: anyone

## The 2 fields the plan's answer can hold

name, address

## The Data Group's plans (3)

- [The Data Group, free](https://datacircle.dev/reverse-email-lookup-apis/the-data-group/free/llms.txt): $0.00 per 1,000, 0% complete
- [The Data Group, contact us, Enterprise](https://datacircle.dev/reverse-email-lookup-apis/the-data-group/contact-us-enterprise/llms.txt): 0% complete
- [The Data Group, contact us, Pay per lookup](https://datacircle.dev/reverse-email-lookup-apis/the-data-group/contact-us-pay-per-lookup/llms.txt): $20.00 per 1,000, 0% complete

## The Data Group's calls for this API (1)

- Docs on request from sales: [The Data Group, free](https://datacircle.dev/reverse-email-lookup-apis/the-data-group/free/llms.txt)

## The Data Group's APIs (6)

- [The Data Group: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/the-data-group/free/llms.txt)
- [The Data Group: email finder API pricing, 3 plans](https://datacircle.dev/find-email-apis/the-data-group/free/llms.txt)
- [The Data Group: phone finder API pricing, 3 plans](https://datacircle.dev/find-phone-apis/the-data-group/free/llms.txt)
- [The Data Group: phone validation API pricing, 3 plans](https://datacircle.dev/validate-phone-apis/the-data-group/free/llms.txt)
- [The Data Group: reverse email lookup API pricing, 3 plans](https://datacircle.dev/reverse-email-lookup-apis/the-data-group/free/llms.txt)
- [The Data Group: people enrichment API pricing, 3 plans, POST /append/demographic](https://datacircle.dev/person-enrichment-apis/the-data-group/free-test-post-append-demographic/llms.txt)
- [The Data Group: people enrichment API pricing, 3 plans, POST /lookup/phone](https://datacircle.dev/person-enrichment-apis/the-data-group/free-test-post-lookup-phone/llms.txt)

## The Data Group: reverse email lookup API alternatives

- [Village, $1 monthly, Core, POST /v2/people/enrich/by-email, Reverse Lookup by Email](https://datacircle.dev/reverse-email-lookup-apis/village/1-monthly-core-post-v2-people-enrich-by-email-reverse-lookup-by-email/llms.txt): $20.00 per 1,000, 31% complete, stored
- [Fiber AI, $300 monthly, Prospector, POST /v1/email-to-person/single/lite](https://datacircle.dev/reverse-email-lookup-apis/fiber-ai/300-monthly-prospector-post-v1-email-to-person-single-lite/llms.txt): $20.00 per 1,000, 92% complete, stored
- [Bytemine, $500 monthly](https://datacircle.dev/reverse-email-lookup-apis/bytemine/500-monthly/llms.txt): $20.00 per 1,000, 31% complete, stored
- [ScrapeLi, $12 monthly, Monthly 3,000 credits, POST /reverse-email/lookup/](https://datacircle.dev/reverse-email-lookup-apis/scrapeli/12-monthly-monthly-3000-credits-post-reverse-email-lookup/llms.txt): $20.00 per 1,000, 0% 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 2026-11-04.

- https://thedatagroup.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://thedatagroup.com/data-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://thedatagroup.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://thedatagroup.com/terms-condition?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing