# A-Leads, free: Company discovery API

> Run the same people and company search you use in the product—filters, paging, and export-friendly payloads.

A-Leads's company discovery API on its Free trial plan. It costs $0.00 per 1,000 companies. It returns 5 of the 13 key fields we check: Description, Industry, Employees, Social profiles, Headquarters.
We haven't run A-Leads through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 752 plans for company discovery APIs by price. Half the plans cost $1.188 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/a-leads/free
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `POST https://api.a-leads.co/gateway/v1/company-search/`
- API key: with the plan, on https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://docs.a-leads.co/reference/post_.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: A-Leads (https://a-leads.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 38%
- Description: ✓
- Industry: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page, size not stated
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Advanced Search · Find Email · Find Personal Email · Verify Email · Find Phone Number · Company Details by ID · Similar Company Search · Reverse Email Lookup · Bulk Advanced Search · Perform Bulk Company Search

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Run the same people and company search you use in the product—filters, paging, and export-friendly payloads.

## Data

- Keep data: during the applicable Subscription Term
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable license during the applicable Subscription Term to access and use the Service and related Documentation solely for Customer’s internal business operations [...] The Service may not be resold, sub-licensed, leased, rented, assigned, shared, or otherwise transferred to any third party except as expressly permitted in this Agreement or in an Order Form approved by the Company. Data outputs or reports derived from the Service may not be republished or used to create a competing database or service. [...] Customer and Authorized Users shall not access the Service for purposes of monitoring its availability, performance, or functionality, or for any other competitive or benchmarking analysis without the Company’s written approval.

## Plan

- Pay: $0

## Rate limit

- Per day: 6,000
- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: company_filters, current_page
- Method: POST
- Path: /

## About the plan

- Plan: Free trial
- Who can get it: anyone who doesn't directly compete with A-Leads in lead intelligence, data analytics or similar software

## The 19 fields the plan's answer can hold

message status, message status code, message description, categories and keywords, website, company ID, company headcount, industry, LinkedIn URL, mapped company size, HQ address, domain, company name, size range, employees count, description, document ID, relevance score, total results

## A-Leads's plans (8)

- [A-Leads, free](https://datacircle.dev/company-discovery-apis/a-leads/free/llms.txt): $0.00 per 1,000, 38% complete
- [A-Leads, $60 monthly](https://datacircle.dev/company-discovery-apis/a-leads/60-monthly/llms.txt): 38% complete
- [A-Leads, $99 monthly](https://datacircle.dev/company-discovery-apis/a-leads/99-monthly/llms.txt): 38% complete
- [A-Leads, $199 monthly](https://datacircle.dev/company-discovery-apis/a-leads/199-monthly/llms.txt): 38% complete
- [A-Leads, $600 yearly](https://datacircle.dev/company-discovery-apis/a-leads/600-yearly/llms.txt): 38% complete
- [A-Leads, $984 yearly](https://datacircle.dev/company-discovery-apis/a-leads/984-yearly/llms.txt): 38% complete
- [A-Leads, $1,980 yearly](https://datacircle.dev/company-discovery-apis/a-leads/1980-yearly/llms.txt): 38% complete
- [A-Leads, contact us](https://datacircle.dev/company-discovery-apis/a-leads/contact-us/llms.txt): 38% complete

## A-Leads's calls for this API (1)

- `POST /`: [A-Leads, free](https://datacircle.dev/company-discovery-apis/a-leads/free/llms.txt)

## A-Leads's APIs (8)

- [A-Leads: company discovery API pricing, 8 plans](https://datacircle.dev/company-discovery-apis/a-leads/free/llms.txt)
- [A-Leads: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/a-leads/free/llms.txt)
- [A-Leads: similar companies API pricing, 8 plans](https://datacircle.dev/similar-company-apis/a-leads/free/llms.txt)
- [A-Leads: email verification API pricing, 8 plans](https://datacircle.dev/validate-email-apis/a-leads/free/llms.txt)
- [A-Leads: phone finder API pricing, 8 plans](https://datacircle.dev/find-phone-apis/a-leads/free/llms.txt)
- [A-Leads: people search API pricing, 8 plans](https://datacircle.dev/people-search-apis/a-leads/free/llms.txt)
- [A-Leads: reverse email lookup API pricing, 8 plans](https://datacircle.dev/reverse-email-lookup-apis/a-leads/free/llms.txt)
- [A-Leads: email finder API pricing, 8 plans, POST /find-email](https://datacircle.dev/find-email-apis/a-leads/free-trial-post-find-email/llms.txt)
- [A-Leads: email finder API pricing, 8 plans, POST /find-email/personal](https://datacircle.dev/find-email-apis/a-leads/free-trial-post-find-email-personal/llms.txt)

## A-Leads: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [Upspring, free](https://datacircle.dev/company-discovery-apis/upspring/free/llms.txt): $0.00 per 1,000, 0% 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://a-leads.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://a-leads.co/_astro/pricing-section.n0Zcmnpc.js?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://a-leads.co/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://a-leads.co/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://a-leads.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.a-leads.co/docs/mcp.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.a-leads.co/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://docs.a-leads.co/reference/post_.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://support.a-leads.co/credits-and-billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://support.a-leads.co/getting-started?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing