# CompanyPulse, free: Company discovery API

> Bulk SIC-code discovery search with on-demand contact enrichment. Filter by one or more SIC codes (comma-separated), region (locality or postcode prefix), and status. Each row includes business email/phone/contact name with per-field 0-100 confidence scores.

CompanyPulse's company discovery API on its Free plan. It costs $0.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Industry, Headquarters, Phones.
We rank 575 plans by price. [Coresignal's $49 monthly plan](https://datacircle.dev/company-discovery-apis/coresignal/49-monthly-mini-post-v2-company-multi-source-search-es-dsl/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000038. Coresignal's $49 monthly plan covers up to 12,960,000 pages a month at no extra cost. Each page holds 1,000 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 to start than Coresignal's $49 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 [Skrapp](https://datacircle.dev/company-discovery-apis/skrapp/349-monthly/llms.txt) are the best company discovery API providers in our benchmark.

- This page: https://datacircle.dev/company-discovery-apis/companypulse/free
- [Best company discovery API in 2026: pricing compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.companypulse.co.uk/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://www.companypulse.co.uk/api/v1/companies/search`
- API key: with the plan, on https://www.companypulse.co.uk/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://www.companypulse.co.uk/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: CompanyPulse (https://www.companypulse.co.uk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-01

## In the answer

- Completeness: 23%
- Industry: ✓
- Headquarters: ✓
- Phones: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 250
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get company profile · Search companies · Find similar companies · Instant search (typeahead) · Get financial ratios and analysis · Get company filing history · Get company charges

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Bulk SIC-code discovery search with on-demand contact enrichment. Filter by one or more SIC codes (comma-separated), region (locality or postcode prefix), and status. Each row includes business email/phone/contact name with per-field 0-100 confidence scores.

## Data

- Countries: United Kingdom
- Keep data: no limit
- Use data: Automated scraping, crawling, or systematic downloading of website pages (as opposed to using the API) is strictly prohibited. Any attempt to circumvent rate limits, access controls, or caching mechanisms may result in immediate termination of your account without notice. [...] Company data sourced from the Companies House public register is Crown Copyright and is made available under the Open Government Licence v3.0. Your use of this data must comply with the terms of that licence. [...] You must not use the Service to: (a) violate any applicable law or regulation, (b) infringe the intellectual property rights of any third party, (c) transmit malicious code, spam, or any content that is harmful, threatening, or abusive, (d) attempt to gain unauthorised access to our systems, databases, or other users' accounts, (e) resell, redistribute, or sublicence access to the Service or its data without our prior written consent, or (f) use automated tools to systematically extract data from the website outside of the API.

## Plan

- Pay: £0
- You get: 250 requests a day
- Enough for: 250 pages a day

## Rate limit

- Per day: 250
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: sic_codes. Optional: region, status, limit, offset, has_email
- Method: GET
- Path: /v1/companies/search

## About the plan

- Plan: Free
- Who can get it: anyone with a CompanyPulse account and an API key, no credit card required

## The 22 fields the plan's answer can hold

company number, company name, status, email, phone, address, city, postcode, SIC code, contact name, website URL, enrichment status, email confidence, phone confidence, contact name confidence, overall confidence, confidence sources, last verified at, total results, enriched count, pending count, more results

## CompanyPulse's plans (4)

- [CompanyPulse, free](https://datacircle.dev/company-discovery-apis/companypulse/free/llms.txt): $0.00 per 1,000, 23% complete
- [CompanyPulse, £29.99 monthly](https://datacircle.dev/company-discovery-apis/companypulse/29-99-monthly/llms.txt): $0.00053 per 1,000, 23% complete
- [CompanyPulse, £99 monthly](https://datacircle.dev/company-discovery-apis/companypulse/99-monthly/llms.txt): $0.00035 per 1,000, 23% complete
- [CompanyPulse, contact us](https://datacircle.dev/company-discovery-apis/companypulse/contact-us/llms.txt): 23% complete

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

- `GET /v1/companies/search`: [CompanyPulse, free](https://datacircle.dev/company-discovery-apis/companypulse/free/llms.txt)

## CompanyPulse's APIs (4)

- [CompanyPulse: business verification API pricing, 4 plans](https://datacircle.dev/business-verification-apis/companypulse/free/llms.txt)
- [CompanyPulse: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/companypulse/free/llms.txt)
- [CompanyPulse: company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/companypulse/free/llms.txt)
- [CompanyPulse: similar companies API pricing, 4 plans](https://datacircle.dev/similar-company-apis/companypulse/free/llms.txt)

## CompanyPulse: company discovery API alternatives

- [Hunter, $902.50 yearly, Data Platform, 95,000 Search credits, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/902-50-yearly-data-platform-95000-search-credits-post-discover/llms.txt): $0.00035 per 1,000, 54% complete, stored
- [Argorant, $49 monthly](https://datacircle.dev/company-discovery-apis/argorant/49-monthly/llms.txt): $0.00038 per 1,000, 62% complete, stored
- [The Swarm, $12,000 yearly, Enterprise 2500, POST /v3/companies/search](https://datacircle.dev/company-discovery-apis/the-swarm/12000-yearly-enterprise-2500-post-v3-companies-search/llms.txt): $0.00039 per 1,000, 0% complete, stored
- [DanskCVRAPI, DKK 599 monthly, Enterprise, GET /search/advanced](https://datacircle.dev/company-discovery-apis/danskcvrapi/dkk-599-monthly-enterprise-get-search-advanced/llms.txt): $0.00045 per 1,000, 46% complete, 1 minute

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-01.

- https://www.companypulse.co.uk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.companypulse.co.uk/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.companypulse.co.uk/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.companypulse.co.uk/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing