# LeadOcean, free: Reverse email lookup API

> One email in, the person who holds it out. 1 record per call. A call that matches nobody is a 404 and costs nothing.

LeadOcean's Free plan for the reverse email lookup API costs $0.00 per 1,000 people. We check each provider's docs for 13 fields. LeadOcean's docs list 1: Experience.
We haven't run LeadOcean through [our reverse email lookup API benchmark](https://datacircle.dev/best-reverse-email-lookup-api.txt) yet.
This plan is free. We rank 472 plans for reverse email lookup APIs by price. Half the plans cost $30.333 or less per 1,000 people. [See the best free reverse email lookup API plan.](https://datacircle.dev/best-reverse-email-lookup-api.txt)
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/reverse-email-lookup-apis/stableenrich/pay-as-you-go/llms.txt) costs the least for 10,000 people a month: $0.20.
[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 [Findymail](https://datacircle.dev/reverse-email-lookup-apis/findymail/399-monthly-business-plus-post-api-search-reverse-email-reverse-email-lookup-full/llms.txt) are the best reverse email lookup API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/reverse-email-lookup-apis/leadocean/free
- [Reverse email lookup API: the best of 30+ providers compared](https://datacircle.dev/best-reverse-email-lookup-api.txt)
- Get it: https://leadocean.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Request: `GET https://api.leadocean.io/v2/people/reverse`
- API key: with the plan, on https://leadocean.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Its API docs: https://leadocean.io/enrichments/email-to-linkedin?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- Sold by: LeadOcean (https://leadocean.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 8%
- Experience: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Search people · Search companies · Enrich one person · Look up one company · Get the current work email · Get personal email addresses · Get phone numbers · Find the phone numbers for one person · The people we hold at a company, paged · Start a bulk CSV export of people

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: One email in, the person who holds it out. 1 record per call. A call that matches nobody is a 404 and costs nothing.

## Data

- Freshness: 1 month
- Keep data: until your account ends, except for records you still have a lawful basis to hold
- Use data: You may use the data for legitimate business-to-business purposes: sales, marketing, recruitment, research, verification and building products. You may not use it to: contact people about consumer products, or in any way unrelated to their professional role, make decisions about credit, insurance, employment, housing or any other purpose regulated by consumer-reporting law, harass, stalk, defraud or endanger anyone, or to compile profiles for those purposes, discriminate on the basis of a protected characteristic, train a model on bulk personal data retrieved from the API, or build a competing dataset or directory, resell, redistribute or publish the raw records as a dataset, list or service, circumvent rate limits or usage limits, including by opening multiple accounts.

## Plan

- Pay: $0
- You get: 1,000 results
- Enough for: 1,000 calls, once
- Expires: never

## Rate limit

- Per second: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of email or phone
- Method: GET
- Path: /v2/people/reverse

## About the plan

- Plan: Free
- Who can get it: anyone with a work email (free mailbox providers are not accepted)

## The 16 fields the plan's answer can hold

success, person ID, person group ID, LinkedIn URL, full name, job title, company name, company domain, queried email, queried phone, matched email, matched phone, matched email status, matched point type, verified batch date, matched in record

## LeadOcean's plans (5)

- [LeadOcean, free](https://datacircle.dev/reverse-email-lookup-apis/leadocean/free/llms.txt): $0.00 per 1,000, 8% complete, 1 month
- [LeadOcean, $97 monthly](https://datacircle.dev/reverse-email-lookup-apis/leadocean/97-monthly/llms.txt): 8% complete, 1 month
- [LeadOcean, $247 monthly](https://datacircle.dev/reverse-email-lookup-apis/leadocean/247-monthly/llms.txt): $0.0082 per 1,000, 8% complete, 1 month
- [LeadOcean, $497 monthly](https://datacircle.dev/reverse-email-lookup-apis/leadocean/497-monthly/llms.txt): $0.017 per 1,000, 8% complete, 1 month
- [LeadOcean, $1,997 monthly](https://datacircle.dev/reverse-email-lookup-apis/leadocean/1997-monthly/llms.txt): 8% complete, 1 month

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

- `GET /v2/people/reverse`: [LeadOcean, free](https://datacircle.dev/reverse-email-lookup-apis/leadocean/free/llms.txt)

## LeadOcean's APIs (7)

- [LeadOcean: company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/leadocean/free/llms.txt)
- [LeadOcean: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/leadocean/free/llms.txt)
- [LeadOcean: people enrichment API pricing, 5 plans](https://datacircle.dev/person-enrichment-apis/leadocean/free/llms.txt)
- [LeadOcean: reverse email lookup API pricing, 5 plans](https://datacircle.dev/reverse-email-lookup-apis/leadocean/free/llms.txt)
- [LeadOcean: phone finder API pricing, 5 plans, GET /v1/people/phone](https://datacircle.dev/find-phone-apis/leadocean/free-get-v1-people-phone/llms.txt)
- [LeadOcean: phone finder API pricing, 5 plans, GET /v2/people/phone](https://datacircle.dev/find-phone-apis/leadocean/free-get-v2-people-phone/llms.txt)
- [LeadOcean: email finder API pricing, 5 plans, GET /v2/people/email/personal](https://datacircle.dev/find-email-apis/leadocean/free-get-v2-people-email-personal/llms.txt)
- [LeadOcean: email finder API pricing, 5 plans, GET /v2/people/email/work](https://datacircle.dev/find-email-apis/leadocean/free-get-v2-people-email-work/llms.txt)
- [LeadOcean: people search API pricing, 5 plans, POST /v1/people/search](https://datacircle.dev/people-search-apis/leadocean/free-post-v1-people-search/llms.txt)
- [LeadOcean: people search API pricing, 5 plans, GET /v1/companies/{domain}/people](https://datacircle.dev/people-search-apis/leadocean/free-get-v1-companies-domain-people/llms.txt)

## LeadOcean: reverse email lookup API alternatives

- [StableEnrich, pay as you go](https://datacircle.dev/reverse-email-lookup-apis/stableenrich/pay-as-you-go/llms.txt): $0.02 per 1,000, 0% complete, 1 day
- [GetLeads, $249 monthly, Partner, POST /api/v1/enrich/csv](https://datacircle.dev/reverse-email-lookup-apis/getleads/249-monthly-partner-post-api-v1-enrich-csv/llms.txt): $0.042 per 1,000, 23% complete, 1 month
- [LeadFuze, $5,000 yearly](https://datacircle.dev/reverse-email-lookup-apis/leadfuze/5000-yearly/llms.txt): $0.042 per 1,000, 15% complete, 1 month
- [MoltSets, $397 monthly, Team, POST /reverse_email_lookup](https://datacircle.dev/reverse-email-lookup-apis/moltsets/397-monthly-team-post-reverse-email-lookup/llms.txt): $0.123 per 1,000, 15% complete, 14 days

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://api.leadocean.io/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://api.leadocean.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/docs/contact?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/docs/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/enrichments/email-to-linkedin?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing
- https://leadocean.io/product/people-data-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=reverse-email-lookup-api-pricing