# CompanyPulse, free: Similar companies API

> Up to 10 similar active companies matched by SIC code and locality. Returns match criteria for competitive analysis.

CompanyPulse's similar companies API on its Free plan. It costs $0.00 per 1,000 companies. It returns none of the 13 key fields we check: Match, Description, Industry and type, Images and 9 more.
We rank 107 plans by price. [Cleanlist's $89 monthly plan](https://datacircle.dev/similar-company-apis/cleanlist/89-monthly/llms.txt) costs the least per 1,000 companies: as little as $0.00034. Cleanlist's $89 monthly plan covers up to 2,592,000 pages a month at no extra cost. Each page holds 100 companies.
[ZoomInfo's $45 pack](https://datacircle.dev/similar-company-apis/zoominfo/45-pack/llms.txt) covers any number of companies. ZoomInfo's $45 pack costs less to start than Cleanlist's $89 monthly plan.
[LeadMagic](https://datacircle.dev/similar-company-apis/leadmagic/499-monthly-professional-post-v3-companies-lookalike/llms.txt), [Tomba](https://datacircle.dev/similar-company-apis/tomba/449-monthly/llms.txt) and [Extruct](https://datacircle.dev/similar-company-apis/extruct/149-monthly-pro-post-v1-companies-company-identifier-similar/llms.txt) are the best similar companies API providers in our benchmark.

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

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $0.00
- Per: page of 10
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Get company profile · Search companies · Bulk SIC-code discovery search with contact enrichment · 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: Up to 10 similar active companies matched by SIC code and locality. Returns match criteria for competitive analysis.

## 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: number
- Method: GET
- Path: /v1/company/{number}/similar

## About the plan

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

## The 2 fields the plan's answer can hold

similar companies, match criteria

## CompanyPulse's plans (4)

- [CompanyPulse, free](https://datacircle.dev/similar-company-apis/companypulse/free/llms.txt): $0.00 per 1,000, 0% complete
- [CompanyPulse, £29.99 monthly](https://datacircle.dev/similar-company-apis/companypulse/29-99-monthly/llms.txt): $0.013 per 1,000, 0% complete
- [CompanyPulse, £99 monthly](https://datacircle.dev/similar-company-apis/companypulse/99-monthly/llms.txt): $0.0088 per 1,000, 0% complete
- [CompanyPulse, contact us](https://datacircle.dev/similar-company-apis/companypulse/contact-us/llms.txt): 0% complete

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

- `GET /v1/company/{number}/similar`: [CompanyPulse, free](https://datacircle.dev/similar-company-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: similar companies API alternatives

- [Cleanlist, $89 monthly](https://datacircle.dev/similar-company-apis/cleanlist/89-monthly/llms.txt): $0.00034 per 1,000, 15% complete
- [gtm-api.com, $36,000 yearly](https://datacircle.dev/similar-company-apis/gtm-api-com/36000-yearly/llms.txt): $0.053 per 1,000, 31% complete, live
- [Tomba, $59,988 yearly](https://datacircle.dev/similar-company-apis/tomba/59988-yearly/llms.txt): $0.067 per 1,000, 15% complete, stored
- [EnvoAPI, $1,799 monthly, Volume, GET /v1/companies/similar/by-slug](https://datacircle.dev/similar-company-apis/envoapi/1799-monthly-volume-get-v1-companies-similar-by-slug/llms.txt): $0.09 per 1,000, 15% complete, live

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