# Leadbase, free: People search API

> Find the right decision-makers by company, role and location.

Leadbase's Free plan for the people search API costs $0.00 per 1,000 people. We check each provider's docs for 13 fields. Leadbase's docs list 2: Experience, Location.
We haven't run Leadbase through [our people search API benchmark](https://datacircle.dev/best-people-search-api.txt) yet.
This plan is free. We rank 791 plans for people search APIs by price. Half the plans cost $4.90 or less per 1,000 people. [See the best free people search API plan.](https://datacircle.dev/best-people-search-api.txt)
[Coresignal's $49 monthly plan](https://datacircle.dev/people-search-apis/coresignal/49-monthly/llms.txt) is the cheapest paid plan per 1,000 people. Coresignal's $49 monthly plan charges nothing per call. You get as many people as Coresignal's rate limit allows. [Seltz's pay-as-you-go plan](https://datacircle.dev/people-search-apis/seltz/pay-as-you-go-pay-as-you-go-post-v1-search-search-base/llms.txt) costs the least for 10,000 people a month: $0.03.
[PeopleSearch.im's $5 pack (/api/v1/search)](https://datacircle.dev/people-search-apis/peoplesearch-im/5-pack-starter-post-api-v1-search/llms.txt) covers any number of people. PeopleSearch.im's $5 pack costs less up front than Coresignal's $49 monthly plan.
[GetProspect](https://datacircle.dev/people-search-apis/getprospect/49-monthly-starter-post-v2-people-search-people-search/llms.txt), [QuickEnrich](https://datacircle.dev/people-search-apis/quickenrich/399-monthly-gtm-unlimited-get-api-employees-dataset-search/llms.txt) and [AnyAPI](https://datacircle.dev/people-search-apis/anyapi/top-up-from-10-manual-top-up-post-v1-run-people-search-quickenrich/llms.txt) are the best people search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/people-search-apis/leadbase/free
- [People lookup API: best people search providers compared](https://datacircle.dev/best-people-search-api.txt)
- Get it: https://www.leadbase.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Request: `POST https://www.leadbase.io/api/v1/operations/prospects.people_search`
- API key: with the plan, on https://www.leadbase.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Its API docs: https://www.leadbase.io/docs/enrichment/prospects?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- Sold by: Leadbase (https://www.leadbase.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing)
- Checked: 2026-11-10

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Prospects Company Search · Prospects Find Email · Prospects Find Phone · Enrichment Start · Sheets Research · Sheets Enrich · Tools Run

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Find the right decision-makers by company, role and location.

## Data

- Freshness: 30 days
- Keep data: no limit
- Use data: Leadbase grants the customer a non-exclusive, non-transferable, revocable right of use for the services and provided data for the term of the contract. This right is limited to the agreed use and the booked service level. Permitted use: Lead generation and prospecting for own business purposes, CRM data enrichment for existing customer databases, Sales and marketing activities in the B2B area, Integration into own business processes and software tools, Forwarding enriched data to employees and authorized service providers. Prohibited use: Resale, rental or commercial transfer of data to third parties, Reverse engineering, decompilation or replication of the platform, Automated mass queries outside the API limits, Use for spam, unwanted advertising or harassment, Data breaches or breaches of opt-out requests, Use for illegal, harmful or discriminatory purposes, Creation of competing products or services. Absolutely prohibited use: Spam, unwanted mass advertising or cold email campaigns without legal basis, Sale, rental or other commercial transfer of data, Use for credit checks, background checks or other SCHUFA-like purposes, Discrimination based on sex, race, religion or other characteristics, Stalking, harassment or other unlawful contact, Generating fake identities or fake company profiles, Use for political campaigns without corresponding licensing, Breach of embargoes or trade restrictions.

## Plan

- Pay: €0
- You get: 200 credits
- Enough for: about 1,694 results, once
- Expires: never

## Rate limit

- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: page, size, idempotencyKey. Optional: account, contact, lists
- Method: POST
- Path: /api/v1/operations/prospects.people_search

## About the plan

- Plan: Free
- Who can get it: business customers only ("Leadbase is intended exclusively for business customers (B2B)")

## The 13 fields the plan's answer can hold

person name, job title, company ID, company name, company domain, company website, LinkedIn URL, industry, location, employee count, last updated, source ID, total results

## Leadbase's plans (4)

- [Leadbase, free](https://datacircle.dev/people-search-apis/leadbase/free/llms.txt): $0.00 per 1,000, 15% complete, 30 days
- [Leadbase, €390 monthly](https://datacircle.dev/people-search-apis/leadbase/390-monthly/llms.txt): $10.623 per 1,000, 15% complete, 30 days
- [Leadbase, €590 monthly](https://datacircle.dev/people-search-apis/leadbase/590-monthly/llms.txt): $9.217 per 1,000, 15% complete, 30 days
- [Leadbase, €990 monthly](https://datacircle.dev/people-search-apis/leadbase/990-monthly/llms.txt): $7.967 per 1,000, 15% complete, 30 days

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

- `POST /api/v1/operations/prospects.people_search`: [Leadbase, free](https://datacircle.dev/people-search-apis/leadbase/free/llms.txt)

## Leadbase's APIs (4)

- [Leadbase: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/leadbase/free/llms.txt)
- [Leadbase: email finder API pricing, 4 plans](https://datacircle.dev/find-email-apis/leadbase/free/llms.txt)
- [Leadbase: phone finder API pricing, 4 plans](https://datacircle.dev/find-phone-apis/leadbase/free/llms.txt)
- [Leadbase: people search API pricing, 4 plans](https://datacircle.dev/people-search-apis/leadbase/free/llms.txt)

## Leadbase: people search API alternatives

- [NinjaPear, $22,788 yearly](https://datacircle.dev/people-search-apis/ninjapear/22788-yearly/llms.txt): $7.714 per 1,000, 8% complete, live
- [Voila Norbert, $4,788 yearly](https://datacircle.dev/people-search-apis/voila-norbert/4788-yearly/llms.txt): $7.98 per 1,000, 8% complete, live
- [Autobound, $4,999 pack, Enterprise, POST /v1/contacts/search](https://datacircle.dev/people-search-apis/autobound/4999-pack-enterprise-post-v1-contacts-search/llms.txt): $8.00 per 1,000, 38% complete, 1 month
- [Renidly, $50 pack](https://datacircle.dev/people-search-apis/renidly/50-pack/llms.txt): $8.33 per 1,000, 0% complete, 1 month

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://www.leadbase.io/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.leadbase.io/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.leadbase.io/docs/api/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.leadbase.io/docs/enrichment/prospects?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.leadbase.io/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing
- https://www.leadbase.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-search-api-pricing