# Outsend, free, Alpha, GET /api/company/lookup: Business verification API

> GET /api/company/lookup returns the legal identity of a French company from a SIREN, a SIRET, a French VAT number, a company name or the name of the person who runs it, synchronously.

Outsend's business verification API on its Alpha plan. It costs $0.00 per 1,000 companies. Outsend's docs list 7 of the 11 key fields we check: Registered name, Entity number, Tax ID, Entity type, Status, Formation date, Officers.
You get up to 150,000 calls a month.
We haven't run Outsend through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Half of the 903 plans we rank by price cost $7.895 per 1,000 companies or less. This plan and 67 others tie for the lowest price per 1,000 companies of the 903 plans.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/outsend/free-alpha-get-api-company-lookup
- [Business verification API: the 12 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://outsend.xyz/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://outsend.xyz/api/company/lookup`
- API key: with the plan, on https://outsend.xyz/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://outsend.xyz/docs/api/company-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Outsend (https://outsend.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 64%
- Registered name: ✓
- Entity number: ✓
- Tax ID: ✓
- Entity type: ✓
- Status: ✓
- Formation date: ✓
- Officers: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: GET /api/company/lookup returns the legal identity of a French company from a SIREN, a SIRET, a French VAT number, a company name or the name of the person who runs it, synchronously.

## Data

- Freshness: 1 day
- Countries: France
- Keep data: no limit
- Use data: The data collected by the user through outsend (scraping results, enrichments, filtered lists, notes, monitoring) remains the property of the user. [...] The following are strictly prohibited, on pain of immediate account suspension without notice or refund: Spam, harassment, mass sending of unsolicited messages in breach of GDPR, e-Privacy or CAN-SPAM, Outreach to private individuals without a legal basis (prior consent required for B2C in France), Collection or use of sensitive data within the meaning of GDPR (health, political/religious views, sexual orientation, biometric data, etc.), Resale, public sharing or transfer to a third party of leads collected through outsend, unless explicit agreement with that third party and GDPR compliance, Use of outsend for illegal, fraudulent activities or activities harming third parties, Any attempt to bypass outsend's security measures or access other users' data. [...] The user commits to respecting, when using the collected data: GDPR: legal basis of processing, information of data subjects, data subject rights (access, deletion, objection), The French Data Protection Act (Loi Informatique et Libertés), Article L.34-5 of the French Postal and Electronic Communications Code on electronic outreach, CNIL recommendations on B2B outreach (in particular clear opt-out, sender identification, respect of objections).

## Plan

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

## Rate limit

- Per day: 5,000
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of q or nom. Optional: prenom, naf, naissance, limit
- Method: GET
- Path: /api/company/lookup

## About the plan

- Plan: Alpha
- Who can get it: anyone with an account, within the seats opened each day during the alpha

## The 32 fields the plan's answer can hold

query, query type, results returned, SIREN, head office SIRET, registered name, acronym, legal form code, legal form, NAF code, NAF description, creation date, status, head office street, head office postal code, head office city, head office municipality code, establishment SIRET, establishment is head office, establishment street, establishment postal code, establishment city, officer type, officer name, officer given names, officer role, birth date matches, VAT number, VAT status, VAT checked at, SIREN check digit valid, head office SIRET check digit valid

## Outsend's plans (1)

- [Outsend, free, Alpha, GET /api/company/lookup](https://datacircle.dev/business-verification-apis/outsend/free-alpha-get-api-company-lookup/llms.txt): $0.00 per 1,000, 64% complete, 1 day

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

- `GET /api/company/lookup`: [Outsend, free, Alpha, GET /api/company/lookup](https://datacircle.dev/business-verification-apis/outsend/free-alpha-get-api-company-lookup/llms.txt)
- `POST /api/jobs/legal-data`: [Outsend, free, Alpha, POST /api/jobs/legal-data](https://datacircle.dev/business-verification-apis/outsend/free-alpha-post-api-jobs-legal-data/llms.txt)

## Outsend's APIs (6)

- [Outsend: Local business reviews API pricing, 2 plans](https://datacircle.dev/local-business-reviews-apis/outsend/free/llms.txt)
- [Outsend: Local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/outsend/free/llms.txt)
- [Outsend: tech stack API pricing, 2 plans](https://datacircle.dev/company-technology-apis/outsend/free/llms.txt)
- [Outsend: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/outsend/free/llms.txt)
- [Outsend: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/outsend/free/llms.txt)
- [Outsend: business verification API pricing, 1 plan, GET /api/company/lookup](https://datacircle.dev/business-verification-apis/outsend/free-alpha-get-api-company-lookup/llms.txt)

## Outsend: business verification API alternatives

- [INSEE, free](https://datacircle.dev/business-verification-apis/insee/free/llms.txt): $0.00 per 1,000, 45% complete, 24 hours
- [Brreg, free](https://datacircle.dev/business-verification-apis/brreg/free/llms.txt): $0.00 per 1,000, 64% complete, live
- [data.gov.il, free](https://datacircle.dev/business-verification-apis/data-gov-il/free/llms.txt): $0.00 per 1,000, 64% complete, 1 day
- [Annuaire des Entreprises, free](https://datacircle.dev/business-verification-apis/annuaire-des-entreprises/free/llms.txt): $0.00 per 1,000, 73% complete, 1 day

## 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://outsend.xyz/api/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/api/auth?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/api/company-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/api/overview?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/concepts/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/docs/what-is-outsend?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/en/cgv?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/en/conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://outsend.xyz/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing