# ListSignal, free, GET /api/v1/search: Company discovery API

> One page of companies with the shared filters: what they run, who they are, stores, hiring, reachability, when, and what changed.

ListSignal's company discovery API on its Free plan. It costs $0.00 per 1,000 companies. ListSignal's docs list 5 of the 13 key fields we check: Industry, Type and status, Technologies, Headquarters, Revenue and budgets.
We haven't run ListSignal through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 881 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. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.
[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/listsignal/free-get-api-v1-search
- [Company discovery API: the best of 70+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://listsignal.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://listsignal.com/api/v1/search`
- API key: with the plan, on https://listsignal.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://listsignal.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: ListSignal (https://listsignal.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 38%
- Industry: ✓
- Type and status: ✓
- Technologies: ✓
- Headquarters: ✓
- Revenue and budgets: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Most per search: 1,000
- Also pays for: from the same budget: getCompany · queryCompanies · listChanges

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: One page of companies with the shared filters: what they run, who they are, stores, hiring, reachability, when, and what changed.

## Data

- Freshness: 1 month
- Countries: Worldwide
- Keep data: no limit
- Use data: You may use ListSignal data for legitimate business purposes: sales prospecting, market research, competitive analysis, and technology evaluation. You may not use the service to send unsolicited bulk email, to break any applicable law, including marketing and data protection law in the recipient's country, or to attempt to reach private or authenticated content through us. [...] Exports, downloads and purchased data files are licensed to you for use within your own organisation. You may use them internally, including for your own sales and marketing, and you may include insights derived from them in your own work. You may not resell, republish, sublicense, or redistribute the data as a dataset, in whole or in substantial part, and you may not use it to build or train a competing directory or database product.

## Plan

- Pay: $0
- You get: 1,000 results a month
- Enough for: 1,000 results a month
- Expires: unused rows do not roll over, the counter resets on the 1st

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: tech, tech_any, tech_not, dns_tech, email_provider, country, business_model, industry, revenue, employees, language, domain, keyword, min_confidence, min_realness, include_junk, shopify, has_catalog, min_products, max_products, min_price_avg, max_price_avg, min_new_products_30d, has_pricing, hiring, min_job_count, ats, has_email, has_named_email, has_phone, min_seo_score, max_seo_score, first_seen_after, last_checked_after, discovered, freshness, changed_field, changed_kind, changed_value, changed_within, sort, total, limit, offset
- Method: GET
- Path: /api/v1/search

## About the plan

- Plan: Free
- Who can get it: anyone

## The 24 fields the plan's answer can hold

domain, homepage title, business model, industry, country, estimated revenue, estimated employees, verified revenue, verified employees, realness score, has contact, open job count, pricing points, SEO score, page language, website last seen at, technologies, DNS technologies, email provider, Shopify Plus, average product price, product count, Tranco rank, total results

## ListSignal's plans (8)

- [ListSignal, free, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/free-get-api-v1-search/llms.txt): $0.00 per 1,000, 38% complete, 1 month
- [ListSignal, $49 monthly, Starter, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/49-monthly-starter-get-api-v1-search/llms.txt): $19.60 per 1,000, 38% complete, 1 month
- [ListSignal, $149 monthly, Pro, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/149-monthly-pro-get-api-v1-search/llms.txt): $9.933 per 1,000, 38% complete, 1 month
- [ListSignal, $399 monthly, Scale, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/399-monthly-scale-get-api-v1-search/llms.txt): $5.32 per 1,000, 38% complete, 1 month
- [ListSignal, $999 monthly, Done for you, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/999-monthly-done-for-you-get-api-v1-search/llms.txt): $13.32 per 1,000, 38% complete, 1 month
- [ListSignal, $490 yearly, Starter, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/490-yearly-starter-get-api-v1-search/llms.txt): $16.333 per 1,000, 38% complete, 1 month
- [ListSignal, $1,490 yearly, Pro, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/1490-yearly-pro-get-api-v1-search/llms.txt): $8.278 per 1,000, 38% complete, 1 month
- [ListSignal, $3,990 yearly, Scale, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/3990-yearly-scale-get-api-v1-search/llms.txt): $4.433 per 1,000, 38% complete, 1 month

## ListSignal's calls for this API (2)

- `GET /api/v1/query`: [ListSignal, free, GET /api/v1/query](https://datacircle.dev/company-discovery-apis/listsignal/free-get-api-v1-query/llms.txt)
- `GET /api/v1/search`: [ListSignal, free, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/free-get-api-v1-search/llms.txt)

## ListSignal's APIs (3)

- [ListSignal: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/listsignal/free/llms.txt)
- [ListSignal: tech stack API pricing, 8 plans](https://datacircle.dev/company-technology-apis/listsignal/free/llms.txt)
- [ListSignal: company discovery API pricing, 8 plans, GET /api/v1/search](https://datacircle.dev/company-discovery-apis/listsignal/free-get-api-v1-search/llms.txt)

## ListSignal: company discovery API alternatives

- [PredictLeads, pay as you go, 500,001+ API Calls, GET /discover/extended_companies](https://datacircle.dev/company-discovery-apis/predictleads/pay-as-you-go-500001-api-calls-get-discover-extended-companies/llms.txt): $4.00 per 1,000, 85% complete, 2 weeks
- [Parse, $30 monthly](https://datacircle.dev/company-discovery-apis/parse/30-monthly/llms.txt): $4.00 per 1,000, 38% complete, live
- [Findymail, $490 yearly, Basic, POST /api/intellimatch/search, Search leads](https://datacircle.dev/company-discovery-apis/findymail/490-yearly/llms.txt): $4.083 per 1,000, 31% complete, live
- [Lusha, $531.15 monthly, Premium, 4,800 credits a month, POST /v3/companies/prospecting, Prospecting Companies](https://datacircle.dev/company-discovery-apis/lusha/531-15-monthly-premium-4800-credits-a-month-post-v3-companies-prospecting-prospecting-companies/llms.txt): $4.426 per 1,000, 31% complete, 1 week

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

- https://listsignal.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://listsignal.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://listsignal.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://listsignal.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://listsignal.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://listsignal.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing