# Signalbase, free: Cached company discovery API

> Browse and search companies with filtering, pagination, and sorting. Returns company profiles with industry, headcount, location, and metadata — independent of any signal data.

Signalbase's cached company discovery API on its 7-day trial plan. It costs $0.00 per 1,000 companies. It returns 7 of the 13 key fields we check: Description, Industry, Type and status, Images, Employees, Social profiles, Headquarters.
The cheapest of the 303 plans we rank by price is [Deepline, top-up](https://datacircle.dev/cached-company-discovery-apis/deepline/top-up/llms.txt). Deepline's cached company discovery API costs nothing beyond the plan price.

- This page: https://datacircle.dev/cached-company-discovery-apis/signalbase/free
- [Best company discovery API in 2026](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.trysignalbase.com/pricing
- Its API docs: https://docs.trysignalbase.com/api-reference/companies/endpoint/get
- Sold by: Signalbase (https://www.trysignalbase.com)
- Checked: 2026-10-20

## In the answer

- Completeness: 54%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Images: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 100
- 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 · Search People · Create CSV Enrichment Job · Successful webhook delivery

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Browse and search companies with filtering, pagination, and sorting. Returns company profiles with industry, headcount, location, and metadata — independent of any signal data.

## 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 pages, once
- Expires: 7 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 1.97 s

## The call

- You send: nothing required. Optional: page, limit, search, domain, linkedin_url, countries, exclude_countries, industry, categories, subcategories, employee_count_min, employee_count_max, founded_year_min, founded_year_max, sort_by, sort_order, count
- Method: GET
- Path: /companies

## About the plan

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

## The 25 fields the plan's answer can hold

company ID, name, slug, description, website, LinkedIn URL, Twitter URL, logo URL, industry, founded year, headquarters country, employee count, categories, keywords, specialties, headcount growth 1 month, headcount growth 3 months, headcount growth 6 months, headcount growth 9 months, headcount growth 12 months, created at, updated at, total results, credits used, credits remaining

## Signalbase's plans (3)

- [Signalbase, free](https://datacircle.dev/cached-company-discovery-apis/signalbase/free/llms.txt): $0.00 per 1,000, 54% complete, stored
- [Signalbase, €99 monthly](https://datacircle.dev/cached-company-discovery-apis/signalbase/99-monthly/llms.txt): $0.557 per 1,000, 54% complete, stored
- [Signalbase, contact us](https://datacircle.dev/cached-company-discovery-apis/signalbase/contact-us/llms.txt): 54% complete, stored

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

- `GET /companies`: [Signalbase, free](https://datacircle.dev/cached-company-discovery-apis/signalbase/free/llms.txt)

## Signalbase's APIs (6)

- [Signalbase: cached company discovery API pricing, 3 plans](https://datacircle.dev/cached-company-discovery-apis/signalbase/free/llms.txt)
- [Signalbase: cached company enrichment API pricing, 3 plans](https://datacircle.dev/cached-company-enrichment-apis/signalbase/free/llms.txt)
- [Signalbase: cached company funding API pricing, 3 plans](https://datacircle.dev/cached-company-funding-apis/signalbase/free/llms.txt)
- [Signalbase: cached job postings API pricing, 3 plans](https://datacircle.dev/cached-job-posting-apis/signalbase/free/llms.txt)
- [Signalbase: cached leadership change API pricing, 3 plans](https://datacircle.dev/cached-leadership-change-apis/signalbase/free/llms.txt)
- [Signalbase: cached people search API pricing, 3 plans](https://datacircle.dev/cached-people-search-apis/signalbase/free/llms.txt)

## Signalbase: cached company discovery API alternatives

- [RouterGrowth, $499 monthly](https://datacircle.dev/cached-company-discovery-apis/routergrowth/499-monthly/llms.txt): $0.277 per 1,000, 31% complete, stored
- [Extruct, $49 monthly, Starter, POST /v1/companies/search](https://datacircle.dev/cached-company-discovery-apis/extruct/49-monthly-starter-post-v1-companies-search/llms.txt): $0.392 per 1,000, 38% complete, stored
- [Prospeo, $888 yearly](https://datacircle.dev/cached-company-discovery-apis/prospeo/888-yearly/llms.txt): $0.592 per 1,000, 85% complete, stored
- [Exa, pay as you go, x402 or MPP, paid per request, POST /search, Search](https://datacircle.dev/cached-company-discovery-apis/exa/pay-as-you-go/llms.txt): $0.70 per 1,000, 54% 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 2026-10-20.

- https://docs.trysignalbase.com/api-reference/companies/endpoint/get.md
- https://docs.trysignalbase.com/api-reference/companies/introduction
- https://docs.trysignalbase.com/api-reference/monitors/introduction
- https://docs.trysignalbase.com/index.md
- https://docs.trysignalbase.com/llms.txt
- https://www.trysignalbase.com
- https://www.trysignalbase.com/llms.txt
- https://www.trysignalbase.com/pricing