# Happierleads, free, Developer: Email finder API

> POST /v1/enrich/person — name + domain → verified email, LinkedIn, title

Happierleads's email finder API on its Developer plan. It costs $0.00 per 1,000 emails. It returns 2 of the 10 key fields we check: Job title, LinkedIn URL.
We haven't run Happierleads through [our email finder API benchmark](https://datacircle.dev/best-email-finder-api.txt) yet.
This plan is free. We rank 1,553 plans for email finder APIs by price. Half the plans cost $20.00 per 1,000 emails or less.
[ClearBounce's $3.20 monthly plan](https://datacircle.dev/find-email-apis/clearbounce/3-20-monthly/llms.txt) costs the least per 1,000 emails: as little as $0.00074. ClearBounce's $3.20 monthly plan covers up to 4,320,000 emails a month at no extra cost.
[ClearBounce's $4 pack](https://datacircle.dev/find-email-apis/clearbounce/4-pack/llms.txt) covers any number of emails. ClearBounce's $4 pack costs more up front than ClearBounce's $3.20 monthly plan.
[DiscoLike](https://datacircle.dev/find-email-apis/discolike/399-monthly-team-post-email-find/llms.txt), [GetProspect](https://datacircle.dev/find-email-apis/getprospect/399-monthly-growth-50k-post-v2-email-find/llms.txt) and [Icypeas](https://datacircle.dev/find-email-apis/icypeas/499-monthly-hypergrowth-100000-credits-a-month-post-email-search/llms.txt) are the best email finder API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/find-email-apis/happierleads/free-developer
- [Email finder API: 80+ providers compared on price and data](https://datacircle.dev/best-email-finder-api.txt)
- Get it: https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Request: `POST https://api.happierleads.com/v1/enrich/person`
- API key: with the plan, on https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Its API docs: https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- Sold by: Happierleads (https://happierleads.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 20%
- Job title: ✓
- LinkedIn URL: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: POST /v1/enrich/person — name + domain → verified email, LinkedIn, title

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

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

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: name, domain
- Method: POST
- Path: /v1/enrich/person

## About the plan

- Plan: Developer
- Who can get it: anyone

## The 3 fields the plan's answer can hold

email, LinkedIn URL, job title

## Happierleads's plans (8)

- [Happierleads, free, Developer](https://datacircle.dev/find-email-apis/happierleads/free-developer/llms.txt): $0.00 per 1,000, 20% complete
- [Happierleads, free trial, POST /v3/prospector/people/find-email](https://datacircle.dev/find-email-apis/happierleads/free-trial-post-v3-prospector-people-find-email/llms.txt): $0.00 per 1,000, 0% complete
- [Happierleads, $99 monthly, Starter, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/99-monthly-starter-post-v1-enrich-person/llms.txt): 20% complete
- [Happierleads, $499 monthly, Growth, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/499-monthly-growth-post-v1-enrich-person/llms.txt): 20% complete
- [Happierleads, $699 monthly, Pro, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/699-monthly-pro-post-v1-enrich-person/llms.txt): 20% complete
- [Happierleads, $999 monthly, Business, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/999-monthly-business-post-v1-enrich-person/llms.txt): 20% complete
- [Happierleads, $1,299 monthly, Scale, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/1299-monthly-scale-post-v1-enrich-person/llms.txt): 20% complete
- [Happierleads, $1,999 monthly, Enterprise, POST /v1/enrich/person](https://datacircle.dev/find-email-apis/happierleads/1999-monthly-enterprise-post-v1-enrich-person/llms.txt): 20% complete

## Happierleads's calls for this API (3)

- `POST /v1/enrich/person`: [Happierleads, free, Developer](https://datacircle.dev/find-email-apis/happierleads/free-developer/llms.txt)
- `POST /v3/prospector/people/find-email`: [Happierleads, free trial, POST /v3/prospector/people/find-email](https://datacircle.dev/find-email-apis/happierleads/free-trial-post-v3-prospector-people-find-email/llms.txt)
- `POST /admin/prospector/people/reveal`: [Happierleads, free trial, POST /admin/prospector/people/reveal](https://datacircle.dev/find-email-apis/happierleads/free-trial-post-admin-prospector-people-reveal/llms.txt)

## Happierleads's APIs (4)

- [Happierleads: company discovery API pricing, 7 plans](https://datacircle.dev/company-discovery-apis/happierleads/free/llms.txt)
- [Happierleads: people search API pricing, 7 plans](https://datacircle.dev/people-search-apis/happierleads/free/llms.txt)
- [Happierleads: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/happierleads/free-trial/llms.txt)
- [Happierleads: email finder API pricing, 8 plans](https://datacircle.dev/find-email-apis/happierleads/free-developer/llms.txt)

## Happierleads: email finder API alternatives

- [GetProspect, free, POST /v2/people/enrichments](https://datacircle.dev/find-email-apis/getprospect/free-post-v2-people-enrichments/llms.txt): $0.00 per 1,000, 60% complete, stored
- [Icypeas, free trial, POST /bulk-search](https://datacircle.dev/find-email-apis/icypeas/free-trial-post-bulk-search/llms.txt): $0.00 per 1,000, 20% complete
- [Enrich.so, free, POST /lead-finder/enrich](https://datacircle.dev/find-email-apis/enrich-so/free-free-post-lead-finder-enrich/llms.txt): $0.00 per 1,000, 50% complete
- [Sealch, free](https://datacircle.dev/find-email-apis/sealch/free/llms.txt): $0.00 per 1,000, 20% complete, live
- [EnformionGO, free](https://datacircle.dev/find-email-apis/enformiongo/free/llms.txt): $0.00 per 1,000, 10% 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://documentation.happierleads.com/docs/leads/company-enrichment/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://happierleads.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://happierleads.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing
- https://rest-admin.happierleads.com/admin/api-docs.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing