# LeadMCP, free: Company discovery API

> Returns one page of company records for a company filter, in a fixed order. Each returned company costs one contact credit, through the same plan caps as contacts.

LeadMCP's company discovery API on its Free plan. It costs $0.00 per 1,000 companies. It returns 10 of the 13 key fields we check: Description, Industry, Type and status, Employees, Social profiles, Headquarters, Locations, Funding, Revenue and budgets, Phones.
We haven't run LeadMCP through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 771 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000015. StackScan's $189 monthly plan covers up to 259,200 pages a month at no extra cost. Each page holds 500,000 companies.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/leadmcp/free
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://leadmcp.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `POST https://api.leadmcp.ai/v1/companies/search`
- API key: with the plan, on https://leadmcp.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://docs.leadmcp.ai/companies/search-companies?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: LeadMCP (https://leadmcp.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 77%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓
- Locations: ✓
- Funding: ✓
- Revenue and budgets: ✓
- Phones: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Find contacts · Start an export · Enrich contacts · Look up companies

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Returns one page of company records for a company filter, in a fixed order. Each returned company costs one contact credit, through the same plan caps as contacts.

## Data

- Freshness: 1 month
- Keep data: no limit
- Use data: You may use the data for lawful business-to-business sales, marketing, recruiting, and research, within the limits of the Fair Usage Policy. [...] Do not scrape, mirror, or bulk-copy the database beyond the exports the service provides, and do not bypass the rate, volume, or query limits. Do not use the service to build or train a competing contact database or lookup product. [...] You may not resell, sublicense, rent, lease, publish, or otherwise redistribute the data, in whole or in part, to any third party. You may not offer the data, or a product built on it, as a data service to others. [...] When a person asks you to stop contacting them, or to delete their data, you must honor that request in your own systems and outreach. [...] Do not use the data for consumer marketing. Do not use the data for employment, credit, insurance, housing, or other eligibility decisions, including any decision covered by the Fair Credit Reporting Act.

## Plan

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

## Rate limit

- Per second: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: filter. Optional: filter.company_ids, filter.domains, filter.exclude_domains, filter.company_names, filter.exclude_company_names, filter.company_size, filter.company_revenue, filter.industries, filter.exclude_industries, filter.employee_count_min, filter.employee_count_max, filter.founded_year_min, filter.founded_year_max, filter.company_hq_countries, filter.last_round_after, filter.last_round_before, filter.last_round_types, filter.total_funding_min, filter.total_funding_max, limit, cursor
- Method: POST
- Path: /companies/search

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over

## The 40 fields the plan's answer can hold

company ID, company name, company description, company domain, company domains, company LinkedIn URL, company LinkedIn URLs, social network, social URLs, social username, social followers, company phone, employee count, headcount band, founded year, revenue range, employee growth percent, HQ city, HQ country, location name, location country, location is primary, location street, location postcode, industries, NAICS industry code, specialties, is nonprofit, is government, is public, total funding, last round type, last round amount, last round date, investors, investor count, monthly visits, SIC industry code, last updated, total results

## LeadMCP's plans (2)

- [LeadMCP, free](https://datacircle.dev/company-discovery-apis/leadmcp/free/llms.txt): $0.00 per 1,000, 77% complete, 1 month
- [LeadMCP, $49 monthly](https://datacircle.dev/company-discovery-apis/leadmcp/49-monthly/llms.txt): $0.049 per 1,000, 77% complete, 1 month

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

- `POST /companies/search`: [LeadMCP, free](https://datacircle.dev/company-discovery-apis/leadmcp/free/llms.txt)

## LeadMCP's APIs (6)

- [LeadMCP: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/leadmcp/free/llms.txt)
- [LeadMCP: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/leadmcp/free/llms.txt)
- [LeadMCP: email finder API pricing, 2 plans](https://datacircle.dev/find-email-apis/leadmcp/free/llms.txt)
- [LeadMCP: phone finder API pricing, 2 plans](https://datacircle.dev/find-phone-apis/leadmcp/free/llms.txt)
- [LeadMCP: people enrichment API pricing, 2 plans](https://datacircle.dev/person-enrichment-apis/leadmcp/free/llms.txt)
- [LeadMCP: people search API pricing, 2 plans, POST /contacts/search](https://datacircle.dev/people-search-apis/leadmcp/free-post-contacts-search/llms.txt)
- [LeadMCP: people search API pricing, 2 plans, POST /exports](https://datacircle.dev/people-search-apis/leadmcp/free-post-exports/llms.txt)

## LeadMCP: company discovery API alternatives

- [GetLeads, $249 monthly, Partner, POST /api/v1/companies/search/export](https://datacircle.dev/company-discovery-apis/getleads/249-monthly-partner-post-api-v1-companies-search-export/llms.txt): $0.042 per 1,000, 46% complete, 1 month
- [ScrapeUnblocker, pay as you go](https://datacircle.dev/company-discovery-apis/scrapeunblocker/pay-as-you-go-pay-as-you-go-post-companies-crunchbase/llms.txt): $0.045 per 1,000, 15% complete, live
- [SerpKite, $300 pack](https://datacircle.dev/company-discovery-apis/serpkite/300-pack/llms.txt): $0.06 per 1,000, 23% complete, live
- [Captapi, $72 yearly](https://datacircle.dev/company-discovery-apis/captapi/72-yearly/llms.txt): $0.06 per 1,000, 38% 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 2026-11-05.

- https://docs.leadmcp.ai/docs/v1/enrichment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.leadmcp.ai/docs/v1/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.leadmcp.ai/docs/v1/routes?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.leadmcp.ai/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://leadmcp.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://leadmcp.ai/fair-usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://leadmcp.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://leadmcp.ai/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing