# LSEG, free: Company discovery API

> The search results are a list of matching entities, with basic information (such as the Official Name) that enables you to identify the entity you're looking for.

LSEG's Free plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields: Description, Industry, Type and status, Images and 9 more. LSEG's docs list none of the 13.
You get up to 150,000 calls a month.
We haven't run LSEG through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
We rank 1,252 plans for company discovery APIs by price. Half the plans cost $0.40 or less per 1,000 companies. This plan and 199 others tie for the lowest price per 1,000 companies of the 1,252 plans. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[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/lseg/free
- [Company discovery API in 2026: the best of 100+ compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://permid.org/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://permid.org/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://developers.lseg.com/en/api-catalog/open-perm-id/permid-entity-search/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: LSEG (https://www.lseg.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $0.00
- Per: page of 100
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The search results are a list of matching entities, with basic information (such as the Official Name) that enables you to identify the entity you're looking for.

## Data

- Keep data: no limit
- Use data: The PermID database is licensed under the Creative Commons with Attribution license, version 4.0 (CC-BY). [...] These fields are provided for Non-Commercial use in accordance with the CC-NC 4.0 license. [...] You may not scrape the PermID.org website to extract data. [...] API keys are available free of charge to all registered users. API keys may be used for any purpose, including commercial applications. To ensure that this data is available to all (and for the sake of our servers), we reserve the right to restrict the number of requests per API key for a given period. If you try to get around our restrictions on the use of the PermID, for example by applying for multiple API keys using different email addresses, or for making multiple requests using different IP addresses, we may block your access to the site without warning.

## Plan

- Pay: $0
- Enough for: 150,000 calls a month

## Rate limit

- Per day: 5,000
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free
- Who can get it: anyone who registers at permid.org

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

PermID, official name

## LSEG's plans (2)

- [LSEG, free](https://datacircle.dev/company-discovery-apis/lseg/free/llms.txt): $0.00 per 1,000, 0% complete
- [LSEG, contact us](https://datacircle.dev/company-discovery-apis/lseg/contact-us/llms.txt): 0% complete

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

- Docs behind sign-up: [LSEG, free](https://datacircle.dev/company-discovery-apis/lseg/free/llms.txt)
- Docs on request from sales: [LSEG, contact us](https://datacircle.dev/company-discovery-apis/lseg/contact-us/llms.txt)

## LSEG's APIs (4)

- [LSEG: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/lseg/free/llms.txt)
- [LSEG: company enrichment API pricing, 3 plans, Entity Lookup](https://datacircle.dev/company-enrichment-apis/lseg/free-entity-lookup/llms.txt)
- [LSEG: company enrichment API pricing, 3 plans, Record Matching](https://datacircle.dev/company-enrichment-apis/lseg/free-record-matching/llms.txt)
- [LSEG: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/lseg/contact-us/llms.txt)
- [LSEG: news API pricing, 1 plan](https://datacircle.dev/news-apis/lseg/contact-us/llms.txt)

## LSEG: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [Larger.io, free](https://datacircle.dev/company-discovery-apis/larger-io/free/llms.txt): $0.00 per 1,000, 8% 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 2026-11-10.

- https://developers.lseg.com/en/api-catalog/open-perm-id/permid-entity-search?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://developers.lseg.com/en/api-catalog/open-perm-id/permid-entity-search/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://developers.lseg.com/en/api-catalog/refinitiv-data-platform/refinitiv-data-platform-apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://developers.lseg.com/en/article-catalog/article/introduction-to-the-open-permid-python-library?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://permid.org?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://permid.org/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://permid.org/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.lseg.com/en/data-analytics/market-data/data-analytics-pricing/legal-entity-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.lseg.com/en/data-catalogue/entity/legal-entity-data/entity-profile-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing