# Zintlr, contact us: Reverse email lookup API

> The Contact to LinkedIn URL API enables lookup from a prospect's contact details to their LinkedIn profile. Pass a list of email addresses, phone numbers, or both, and receive the best-matched person profile.

Zintlr's reverse email lookup API on its Enterprise plan. It returns 2 of the 13 key fields we check: Experience, Location.
We haven't run Zintlr through [our reverse email lookup API benchmark](https://datacircle.dev/best-reverse-email-lookup-api.txt) yet.
Zintlr gives this plan's price on request. We rank 396 plans for reverse email lookup APIs by price. Half the plans cost $24.875 per 1,000 people or less.
[Minerva's $400 monthly plan](https://datacircle.dev/reverse-email-lookup-apis/minerva/400-monthly/llms.txt) costs the least per 1,000 people. Minerva's reverse email lookup API costs nothing beyond the plan price.
[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 less up front than Minerva's $400 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 the Datacircle benchmark.

- This page: https://datacircle.dev/reverse-email-lookup-apis/zintlr/contact-us
- [Reverse email lookup API: 30+ providers compared](https://datacircle.dev/best-reverse-email-lookup-api.txt)
- Get it: https://zintlr.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Request: `POST https://b2b2b.zintlr.com/b2b2b/v1/contact-to-ln-url/`
- API key: with the plan, on https://zintlr.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Its API docs: https://zintlr.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Sold by: Zintlr (https://zintlr.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 15%
- Experience: ✓
- Location: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: The Contact to LinkedIn URL API enables lookup from a prospect's contact details to their LinkedIn profile. Pass a list of email addresses, phone numbers, or both, and receive the best-matched person profile.

## Data

- Keep data: no limit
- Use data: The Solution provided by Zintlr is solely intended for the Licensees' internal business purposes and their operations [...] Licensee shall not, and shall not allow any third party to: attempt to interfere with the Solution, infiltrate, hack, reverse engineer, decompile, or disassemble the Solution or the Database, use the Data for purposes other than the Licensee's internal business purposes (which includes engaging in sales, marketing, and networking activities with prospects, or for recruitment purposes), publish, distribute, share, sell, lease, transfer, or otherwise make the Data available, sub-license its right to access and use the Solution or provide remote access to the Solution to or for the benefit of any third party or any unauthorized person, use the Data to compile similar databases or services, use the Solution to determine a consumer's eligibility for credit or insurance for personal, family, or household purposes, employment or governmental license or benefit, or for a governmental license or benefit, use the Solution or the Data in violation of any applicable law or in any way that encourages illegal activities, including, but not limited to, privacy and data protection laws and SPAM laws, disparage or misrepresent Zintlr's capabilities or reputation, and will abide by the Zintlr Crawling Policy. Licensee shall not resell, share, sublicense, or otherwise distribute either raw API data or processed data generated using the Products. Data accessed via the Products may only be used internally by Licensee for the Purpose defined in this Agreement and shall not be commercialized in any form.

## Rate limit

- Batch: 50

## Speed

- Answer: in the call

## The call

- You send: at least one of email or phone
- Method: POST
- Path: /b2b2b/v1/contact-to-ln-url/

## About the plan

- Plan: Enterprise
- Who can get it: businesses only: "Zintlr does not offer Services to individual users"

## The 7 fields the plan's answer can hold

LinkedIn URL, name, job title, location, matched on, confidence, score

## Zintlr's plans (1)

- [Zintlr, contact us](https://datacircle.dev/reverse-email-lookup-apis/zintlr/contact-us/llms.txt): 15% complete

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

- `POST /b2b2b/v1/contact-to-ln-url/`: [Zintlr, contact us](https://datacircle.dev/reverse-email-lookup-apis/zintlr/contact-us/llms.txt)

## Zintlr's APIs (8)

- [Zintlr: LinkedIn company data API pricing, 1 plan](https://datacircle.dev/linkedin-company-profile-apis/zintlr/contact-us/llms.txt)
- [Zintlr: LinkedIn profile API pricing, 1 plan](https://datacircle.dev/linkedin-profile-apis/zintlr/contact-us/llms.txt)
- [Zintlr: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/zintlr/contact-us/llms.txt)
- [Zintlr: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/zintlr/contact-us/llms.txt)
- [Zintlr: reverse email lookup API pricing, 1 plan](https://datacircle.dev/reverse-email-lookup-apis/zintlr/contact-us/llms.txt)
- [Zintlr: company enrichment API pricing, 1 plan, POST /b2b2b/v1/cin-to-company-data/](https://datacircle.dev/company-enrichment-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-cin-to-company-data/llms.txt)
- [Zintlr: company enrichment API pricing, 1 plan, POST /b2b2b/v1/domain-to-cin/](https://datacircle.dev/company-enrichment-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-domain-to-cin/llms.txt)
- [Zintlr: phone finder API pricing, 1 plan, POST /b2b2b/v1/email-to-phone/](https://datacircle.dev/find-phone-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-email-to-phone/llms.txt)
- [Zintlr: phone finder API pricing, 1 plan, POST /b2b2b/v1/ln-url-to-phone/](https://datacircle.dev/find-phone-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-ln-url-to-phone/llms.txt)
- [Zintlr: phone finder API pricing, 1 plan, POST /b2b2b/v1/ln-url-to-ph-email/](https://datacircle.dev/find-phone-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-ln-url-to-ph-email/llms.txt)
- [Zintlr: people search API pricing, 1 plan, POST /b2b2b/v1/people/ai-search/](https://datacircle.dev/people-search-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-people-ai-search/llms.txt)
- [Zintlr: people search API pricing, 1 plan, POST /b2b2b/v1/people/search/](https://datacircle.dev/people-search-apis/zintlr/contact-us-enterprise-post-b2b2b-v1-people-search/llms.txt)

## Zintlr: reverse email lookup API alternatives

- [GetProspect, contact us, Custom terms, POST /v2/people/bulk-enrich](https://datacircle.dev/reverse-email-lookup-apis/getprospect/contact-us-custom-terms-post-v2-people-bulk-enrich/llms.txt): 15% complete, stored
- [BetterEnrich, contact us, Enterprise, 250K credits](https://datacircle.dev/reverse-email-lookup-apis/betterenrich/contact-us-enterprise-250k-credits/llms.txt): 15% complete, live
- [NeuralVerge, contact us](https://datacircle.dev/reverse-email-lookup-apis/neuralverge/contact-us/llms.txt): 15% complete, live
- [Woodpecker, contact us](https://datacircle.dev/reverse-email-lookup-apis/woodpecker/contact-us/llms.txt): 15% complete
- [Surfe, contact us](https://datacircle.dev/reverse-email-lookup-apis/surfe/contact-us/llms.txt): 15% 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://zintlr.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://zintlr.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://zintlr.com/privacy-center/user-related-policy/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing