# Registry Lookup, free: Business verification API

> Find legal entities by name, registry number, or identifier, with jurisdiction, geography, status, and date filters. Returns a page of minimal records plus aggregation facets.

Registry Lookup's business verification API on its Free plan. It costs $0.00 per 1,000 companies. It returns 3 of the 11 key fields we check: Entity number, Status, Formation date.
We rank 31 plans by price. [OpenSOSData's $500 monthly plan](https://datacircle.dev/business-verification-apis/opensosdata/500-monthly-scale-cached-post-v1-lookup/llms.txt) is the cheapest paid plan per 1,000 companies: $5.00.

- This page: https://datacircle.dev/business-verification-apis/registry-lookup/free
- Get it: https://registry-lookup.com/enterprise
- Request: `GET https://api.registry-lookup.com/v1/companies/search`
- API key: with the plan, on https://registry-lookup.com/enterprise
- Its API docs: https://registry-lookup.com/docs#search
- Sold by: Registry Lookup (https://registry-lookup.com)
- Checked: 2026-10-30

## In the answer

- Completeness: 27%
- Entity number: ✓
- Status: ✓
- Formation date: ✓

## Price

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

## Charges

- Also pays for: from the same budget: Get entity by ID · Get by registry number · Related entities

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Find legal entities by name, registry number, or identifier, with jurisdiction, geography, status, and date filters. Returns a page of minimal records plus aggregation facets.

## Data

- Freshness: 7 days
- Keep data: no limit
- Use data: "you receive a limited, non-exclusive, non-transferable, revocable licence to access the Service and use retrieved records inside your own products and workflows. You may not extract or reuse a substantial part of the database, nor create a derivative dataset that substitutes for it." Acceptable use: "You agree to use the Service only for lawful purposes and in accordance with these Terms. The following are prohibited:" "Bulk extraction and mirroring. Systematically downloading, mirroring, or reconstructing the database or any substantial part of it, whether through the API, the website, or automated browsing, and whether or not you stay inside published rate limits." "Circumventing controls. Evading rate limits, access caps, pagination limits, [...] or any other technical measure — including by rotating keys, accounts, IP addresses, or user agents." "Reselling and redistribution. Reselling, sublicensing, or redistributing data obtained through Registry Lookup, in raw or processed form, without prior written consent from Veridion." "Building a competing dataset. Using the Service to create, train, or improve a competing company-data product or dataset." "Abuse and interference. Denial-of-service attempts, injection attacks, vulnerability exploitation, or any activity that degrades the Service for others." "Unlawful use of registry data. Using entity or contact data for unsolicited bulk messaging, harassment, doxxing, discrimination, or any purpose prohibited by applicable law including data-protection and anti-spam law." "Impersonation. Misrepresenting your identity, affiliation, or the purpose of your use, including registering under a domain you are not authorised to represent." "Do not use the Service to build a corpus for training or fine-tuning machine-learning models, including large language models, without prior written consent." "You must not share, sell, sublicense, rent, or transfer a key, or let a key be used by a party other than the registering organisation." "Where you display Registry Lookup data in a user-facing product, attribution to Registry Lookup is appreciated and, for substantial reuse, may be required as a condition of consent."

## Plan

- Pay: $0
- You get: 5,000 requests a month
- Enough for: 5,000 calls a month
- Expires: Quotas automatically reset at 00:00 UTC on the 1st of every month

## Rate limit

- Per day: 1,000
- Per second: 10
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: at least one of q or address. Optional: jurisdiction_code, country, city, region, status, change_type, registry_number, identifier, incorporation_date_from, incorporation_date_to, sort, page, per_page
- Method: GET
- Path: /v1/companies/search

## About the plan

- Plan: Free
- Who can get it: anyone with a verified work email address, personal email providers are rejected

## The 20 fields the plan's answer can hold

company ID, company name, jurisdiction code, country name, registration number, status, active flag, incorporation date, city, region, latitude, longitude, has enriched data, enterprise info URL, total results, total pages, jurisdiction facets, status facets, country facets, top relevance score

## Registry Lookup's plans (2)

- [Registry Lookup, free](https://datacircle.dev/business-verification-apis/registry-lookup/free/llms.txt): $0.00 per 1,000, 27% complete, 7 days
- [Registry Lookup, contact us](https://datacircle.dev/business-verification-apis/registry-lookup/contact-us/llms.txt): 27% complete, 7 days

## Registry Lookup's calls for this API (1)

- `GET /v1/companies/search`: [Registry Lookup, free](https://datacircle.dev/business-verification-apis/registry-lookup/free/llms.txt)

## Registry Lookup's APIs (2)

- [Registry Lookup: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/registry-lookup/free/llms.txt)
- [Registry Lookup: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/registry-lookup/free/llms.txt)

## Registry Lookup: business verification API alternatives

- [OpenSOSData, free, POST /v1/lookup](https://datacircle.dev/business-verification-apis/opensosdata/free-post-v1-lookup/llms.txt): $0.00 per 1,000, 100% complete, live
- [Cobalt Intelligence, free lookups, GET /v1/search](https://datacircle.dev/business-verification-apis/cobalt-intelligence/free-lookups-get-v1-search/llms.txt): $0.00 per 1,000, 64% complete, live
- [Baselayer, pay as you go](https://datacircle.dev/business-verification-apis/baselayer/pay-as-you-go/llms.txt): $1000.00 per 1,000, 64% 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 2026-10-30.

- https://registry-lookup.com
- https://registry-lookup.com/docs
- https://registry-lookup.com/enterprise
- https://registry-lookup.com/terms