# Signalbase, free: LinkedIn company data API

> Submit company lists for enrichment with funding, acquisition, hiring, job change, and investor intelligence

Signalbase's LinkedIn company data API on its 7-day trial plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Industry and type, Employees.
We rank 591 plans by price. [Village's $1 monthly plan](https://datacircle.dev/linkedin-company-profile-apis/village/1-monthly-core-post-v2-companies-enrich-enrich-company-cached-only/llms.txt) costs the least per 1,000 companies: as little as $0.0000039. Village's $1 monthly plan covers up to 259,200,000 companies a month at no extra cost.
Village's $1 monthly plan covers any number of companies on the call named “[Enrich Company (Bulk), cached only](https://datacircle.dev/linkedin-company-profile-apis/village/1-monthly-core-post-v2-companies-enrich-bulk-enrich-company-bulk-cached-only/llms.txt)”.
[DataForB2B](https://datacircle.dev/linkedin-company-profile-apis/dataforb2b/499-monthly/llms.txt), [Reverse Contact](https://datacircle.dev/linkedin-company-profile-apis/reverse-contact/449-monthly/llms.txt) and [BlitzAPI](https://datacircle.dev/linkedin-company-profile-apis/blitzapi/99-monthly/llms.txt) are the best LinkedIn company data API providers in our benchmark.

- This page: https://datacircle.dev/linkedin-company-profile-apis/signalbase/free
- [Best LinkedIn company data API in 2026: providers compared](https://datacircle.dev/best-linkedin-company-data-api.txt)
- Get it: https://www.trysignalbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- Request: `POST https://www.trysignalbase.com/api/v2/csv-enrichment`
- API key: with the plan, on https://www.trysignalbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- Its API docs: https://docs.trysignalbase.com/api-reference/csv-enrichment/endpoint/post?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- Sold by: Signalbase (https://www.trysignalbase.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 15%
- Industry and type: ✓
- Employees: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get Funding Signals · Get Acquisition Signals · Get Job Change Signals · Get Hiring Signals · Get Investors · Get Companies · Search People · Successful webhook delivery

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Submit company lists for enrichment with funding, acquisition, hiring, job change, and investor intelligence

## Data

- Freshness: stored
- Keep data: no API terms
- Use data: “Not on the €99 plan, whose terms are own-use only. Redistribution and white-label API access are licensed separately, sized to your volume and scope in a conversation.”

## Plan

- Pay: $0
- You get: 500 credits
- Enough for: 500,000 results, once
- Expires: 7 days

## Rate limit

- Batch: 1,000

## Speed

- Answer: in the call or by polling

## The call

- You send: companies[].linkedin_url. Optional: fileName, wait, timeout
- Method: POST
- Path: /csv-enrichment

## About the plan

- Plan: 7-day trial
- Who can get it: smaller recruitment agencies and solo recruiters running their own business development

## The 14 fields the plan's answer can hold

input URL, company ID, name, domain, industry, country, employee count, success, status, progress, completed at, next cursor, credits used, credits remaining

## Signalbase's plans (3)

- [Signalbase, free](https://datacircle.dev/linkedin-company-profile-apis/signalbase/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [Signalbase, €99 monthly](https://datacircle.dev/linkedin-company-profile-apis/signalbase/99-monthly/llms.txt): $0.056 per 1,000, 15% complete, stored
- [Signalbase, contact us](https://datacircle.dev/linkedin-company-profile-apis/signalbase/contact-us/llms.txt): 15% complete, stored

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

- `POST /csv-enrichment`: [Signalbase, free](https://datacircle.dev/linkedin-company-profile-apis/signalbase/free/llms.txt)

## Signalbase's APIs (7)

- [Signalbase: LinkedIn company data API pricing, 3 plans](https://datacircle.dev/linkedin-company-profile-apis/signalbase/free/llms.txt)
- [Signalbase: company discovery API pricing, 3 plans](https://datacircle.dev/company-discovery-apis/signalbase/free/llms.txt)
- [Signalbase: company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/signalbase/free/llms.txt)
- [Signalbase: people search API pricing, 3 plans](https://datacircle.dev/people-search-apis/signalbase/free/llms.txt)
- [Signalbase: company funding API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/company-funding-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: company funding API pricing, 3 plans, GET /signals/funding](https://datacircle.dev/company-funding-apis/signalbase/free-7-day-trial-get-signals-funding/llms.txt)
- [Signalbase: job postings API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/job-posting-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: job postings API pricing, 3 plans, GET /signals/hiring](https://datacircle.dev/job-posting-apis/signalbase/free-7-day-trial-get-signals-hiring/llms.txt)
- [Signalbase: leadership change API pricing, 3 plans, POST /csv-enrichment](https://datacircle.dev/leadership-change-apis/signalbase/free-7-day-trial-post-csv-enrichment/llms.txt)
- [Signalbase: leadership change API pricing, 3 plans, GET /signals/job-changes](https://datacircle.dev/leadership-change-apis/signalbase/free-7-day-trial-get-signals-job-changes/llms.txt)

## Signalbase: LinkedIn company data API alternatives

- [Village, $149 monthly, Business, POST /v2/companies/enrich, Enrich Company, cached only](https://datacircle.dev/linkedin-company-profile-apis/village/149-monthly-business-post-v2-companies-enrich-enrich-company-cached-only/llms.txt): $0.00057 per 1,000, 31% complete, stored
- [Reverse Contact, $249 monthly](https://datacircle.dev/linkedin-company-profile-apis/reverse-contact/249-monthly/llms.txt): $0.058 per 1,000, 62% complete, stored
- [WebAutomation, $999 monthly](https://datacircle.dev/linkedin-company-profile-apis/webautomation/999-monthly/llms.txt): $0.083 per 1,000, 23% complete, stored
- [BlitzAPI, $499 monthly](https://datacircle.dev/linkedin-company-profile-apis/blitzapi/499-monthly/llms.txt): $0.10 per 1,000, 46% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

- https://docs.trysignalbase.com/api-reference/acquisition-signals/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/companies/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/companies/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/csv-enrichment/endpoint/post.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/csv-enrichment/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/funding-signals/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/hiring-signals/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/investors/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/job-change-signals/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/monitors/introduction?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/people/endpoint/get.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/api-reference/webhooks/introduction.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://docs.trysignalbase.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://www.trysignalbase.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://www.trysignalbase.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing
- https://www.trysignalbase.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-company-data-api-pricing