# Leadsets, free: Company enrichment API

> A company profile from its domain: industry, NAICS, headcount, revenue range, location, founded year, description and technologies, with a last-seen date and confidence on every field.

Leadsets' Free plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Leadsets' docs list 8: Description, Industry, Type and status, Technologies, Employees, Social profiles, Locations, Revenue and budgets.
We haven't run Leadsets through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 3,244 plans for company enrichment APIs by price. Half the plans cost $8.704 or less per 1,000 companies. [1,072 company enrichment API plans on our price sheet are free.](https://datacircle.dev/best-company-enrichment-api.txt) [g0v Taiwan Company's free plan](https://datacircle.dev/company-enrichment-apis/g0v-taiwan-company/free-get-api-bulkquery/llms.txt) scores highest of the free plans in our benchmark, at 81.1 out of 100. g0v Taiwan Company covers companies in Taiwan only.
[TrustLookup's $19 monthly plan](https://datacircle.dev/company-enrichment-apis/trustlookup/19-monthly/llms.txt) is the cheapest paid plan per 1,000 companies, for the United States only. TrustLookup's company enrichment API costs nothing beyond the plan price. [Pokt Agent's pay-as-you-go plan](https://datacircle.dev/company-enrichment-apis/pokt-agent/pay-as-you-go-x402-pay-per-call-post-kr-entity-resolve/llms.txt) costs the least for 10,000 companies a month: $1.00.
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only, and costs less up front than TrustLookup's $19 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [Tapline](https://datacircle.dev/company-enrichment-apis/tapline/49-monthly/llms.txt) and [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/leadsets/free
- [Company enrichment API in 2026: the best of 290+ compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.leadsets.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `POST https://api.leadsets.ai/v1/companies/enrich`
- API key: with the plan, on https://www.leadsets.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://www.leadsets.ai/docs/api/companies-enrich?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Leadsets (https://www.leadsets.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 62%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Technologies: ✓
- Employees: ✓
- Social profiles: ✓
- Locations: ✓
- Revenue and budgets: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Search people · Search companies · from the same budget: Enrich a person · Verify emails

## Overage

- Units cap: hard

## Not found

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

## In their words

- Their pitch: A company profile from its domain: industry, NAICS, headcount, revenue range, location, founded year, description and technologies, with a last-seen date and confidence on every field.

## Data

- Keep data: no limit
- Use data: Use must follow our Fair use policy. In short: no reselling or rebuilding our data, no key sharing across companies, no evading limits, no unlawful outreach, and no scraping of sites through Leadsets that you aren't allowed to access. [...] We grant you a non-exclusive, non-transferable licence to use records returned to you for your own sales, marketing and research. Embedding Leadsets data in a product you sell requires a separate written agreement. You must stop using any record we tell you has been suppressed.

## Plan

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

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of domain or linkedin_url. Optional: prompt
- Method: POST
- Path: /companies/enrich

## About the plan

- Plan: Free
- Who can get it: anyone using it for business purposes, 18 or older (its terms: "You must be at least 18 and using Leadsets for business purposes")

## The 18 fields the plan's answer can hold

company ID, name, domain, LinkedIn URL, industry, NAICS code, employee count, employee range, revenue range, location, founded year, description, technologies, refreshed at, confirmed at, stale after, stale, field sources

## Leadsets' plans (5)

- [Leadsets, free](https://datacircle.dev/company-enrichment-apis/leadsets/free/llms.txt): $0.00 per 1,000, 62% complete
- [Leadsets, $29 monthly](https://datacircle.dev/company-enrichment-apis/leadsets/29-monthly/llms.txt): 62% complete
- [Leadsets, $99 monthly](https://datacircle.dev/company-enrichment-apis/leadsets/99-monthly/llms.txt): 62% complete
- [Leadsets, $399 monthly](https://datacircle.dev/company-enrichment-apis/leadsets/399-monthly/llms.txt): 62% complete
- [Leadsets, $999 monthly](https://datacircle.dev/company-enrichment-apis/leadsets/999-monthly/llms.txt): 62% complete

## Leadsets' calls for this API (1)

- `POST /companies/enrich`: [Leadsets, free](https://datacircle.dev/company-enrichment-apis/leadsets/free/llms.txt)

## Leadsets' APIs (7)

- [Leadsets Company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/leadsets/free/llms.txt)
- [Leadsets Company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/leadsets/free/llms.txt)
- [Leadsets Email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/leadsets/free/llms.txt)
- [Leadsets People search API pricing, 5 plans](https://datacircle.dev/people-search-apis/leadsets/free/llms.txt)
- [Leadsets Email finder API pricing, 5 plans, POST /people/enrich, Enrich a person](https://datacircle.dev/find-email-apis/leadsets/free-post-people-enrich-enrich-a-person/llms.txt)
- [Leadsets Email finder API pricing, 5 plans, POST /people/enrich, Enrich a person, full](https://datacircle.dev/find-email-apis/leadsets/free-post-people-enrich-enrich-a-person-full/llms.txt)
- [Leadsets People enrichment API pricing, 5 plans, POST /people/enrich, Enrich a person](https://datacircle.dev/person-enrichment-apis/leadsets/free-post-people-enrich-enrich-a-person/llms.txt)
- [Leadsets People enrichment API pricing, 5 plans, POST /people/enrich, Enrich a person, full](https://datacircle.dev/person-enrichment-apis/leadsets/free-post-people-enrich-enrich-a-person-full/llms.txt)
- [Leadsets Web scraping API pricing, 3 plans](https://datacircle.dev/web-scraping-apis/leadsets/9-pack/llms.txt)

## Leadsets: company enrichment API alternatives

[Leadsets alternatives: other company enrichment API providers by price](https://datacircle.dev/leadsets-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 companies.

- [GovConAPI, free trial, GET /api/v1/entities/by-cage/{cage}](https://datacircle.dev/company-enrichment-apis/govconapi/free-trial-get-api-v1-entities-by-cage-cage/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [g0v Taiwan Company, free, GET /api/bulkquery](https://datacircle.dev/company-enrichment-apis/g0v-taiwan-company/free-get-api-bulkquery/llms.txt): $0.00 per 1,000, 23% complete, 1 month (tax registry county or city, tax registry district, tax registry business name, tax registry capital, tax registry establishment date, tax registry uses uniform invoices, tax registry industry, tax registry industry code, tax registry business address, tax registry person in charge surname, tax registry head office unified business number, tax registry organization type name, tax registry unit name, tax registry authority county or city, tax registry last change reason, tax registry last change date, tax registry reason description: 1 day)
- [Latinfo, free, GET /pe/ruc/{ruc}](https://datacircle.dev/company-enrichment-apis/latinfo/free-get-pe-ruc-ruc/llms.txt): $0.00 per 1,000, 15% complete, stored
- [data.ct.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-ct-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 38% complete, 1 day
- [Landbase, free](https://datacircle.dev/company-enrichment-apis/landbase/free/llms.txt): $0.00 per 1,000, 92% 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 2026-11-11.

- https://www.leadsets.ai/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/docs/api/companies-enrich?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/docs/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/docs/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/fair-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/fair-use/enrichment?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing/free?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing/max?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing/pro?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing/solo?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/pricing/team?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.leadsets.ai/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing