# Sirenic, free quota, GET /v1/kyb/{siren}: Business verification API

> Company lookup KYB: Know Your Business verification of a French company in one call, official company data for due diligence, compliance and customer onboarding: identity, officers, BODACC legal alerts (insolvency, deregistration), commercial-court decisions (Judilibre), filed financials, sanctions screening of the company and each officer against the 6 official lists, computed VAT number, completeness score.

Sirenic's Free quota plan for the business verification API costs $0.00 per 1,000 companies. Sirenic's docs list 7 of the 11 fields on our checklist: Registered name, Entity number, Tax ID, Entity type, Status, Formation date, Officers.
You get up to 150 calls a month.
We haven't run Sirenic through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 1,062 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less. [See how many business verification API plans are free.](https://datacircle.dev/best-business-verification-api.txt)
[CharityAPI's $15 monthly plan](https://datacircle.dev/business-verification-apis/charityapi/15-monthly-paid-get-api-organizations-ein/llms.txt) is the cheapest paid plan per 1,000 companies. CharityAPI's plan covers companies in the United States only. CharityAPI's $15 monthly plan charges nothing per call. You get as many companies as CharityAPI's rate limit allows.
[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/sirenic/free-quota-get-v1-kyb-siren
- [Business verification API: the 13 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.sirenic.eu/v1/kyb/{siren}`
- API key: with the plan, on https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://api.sirenic.eu/api/kyb-dossier-verification-entreprise?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Sirenic (https://api.sirenic.eu?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-07

## 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: from the same budget: 123 other calls: 150 free calls a month

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Company lookup KYB: Know Your Business verification of a French company in one call, official company data for due diligence, compliance and customer onboarding: identity, officers, BODACC legal alerts (insolvency, deregistration), commercial-court decisions (Judilibre), filed financials, sanctions screening of the company and each officer against the 6 official lists, computed VAT number, completeness score.

## Data

- Countries: France
- Keep data: no API terms
- Use data: no API terms

## Plan

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

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: siren
- Method: GET
- Path: /v1/kyb/{siren}

## About the plan

- Plan: Free quota
- Who can get it: anyone with an account

## The 26 fields the plan's answer can hold

SIREN, legal name, legal form, NAF code, status, creation date, head office SIRET, head office postal code, head office city, number of establishments, officers, VAT number, insolvency proceedings, deregistrations, legal alerts total, court decisions, financial statements, revenue, net income, fiscal year closing date, sanctions screening, completeness score, missing blocks, verification number, verification URL, data freshness

## Sirenic's plans (2)

- [Sirenic, free quota, GET /v1/kyb/{siren}](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-kyb-siren/llms.txt): $0.00 per 1,000, 64% complete
- [Sirenic, pay as you go, x402 pay per call, GET /v1/kyb/{siren}](https://datacircle.dev/business-verification-apis/sirenic/pay-as-you-go-x402-pay-per-call-get-v1-kyb-siren/llms.txt): $168.795 per 1,000, 64% complete

## Sirenic's calls for this API (4)

- `GET /v1/kyb/{siren}`: [Sirenic, free quota, GET /v1/kyb/{siren}](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-kyb-siren/llms.txt)
- `GET /v1/eu/recherche`: [Sirenic, free quota, GET /v1/eu/recherche](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-eu-recherche/llms.txt)
- `GET /v1/recherche`: [Sirenic, free quota, GET /v1/recherche](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-recherche/llms.txt)
- `GET /v1/kyb/batch`: [Sirenic, pay as you go, x402 pay per call, GET /v1/kyb/batch](https://datacircle.dev/business-verification-apis/sirenic/pay-as-you-go-x402-pay-per-call-get-v1-kyb-batch/llms.txt)

## Sirenic's APIs (4)

- [Sirenic: similar companies API pricing, 2 plans](https://datacircle.dev/similar-company-apis/sirenic/free/llms.txt)
- [Sirenic: company enrichment API pricing, 2 plans, GET /v1/entreprise/{siren}](https://datacircle.dev/company-enrichment-apis/sirenic/free-quota-get-v1-entreprise-siren/llms.txt)
- [Sirenic: company enrichment API pricing, 2 plans, GET /v1/eu/entreprise/{pays}/{id}](https://datacircle.dev/company-enrichment-apis/sirenic/free-quota-get-v1-eu-entreprise-pays-id/llms.txt)
- [Sirenic: business verification API pricing, 2 plans, GET /v1/kyb/{siren}](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-kyb-siren/llms.txt)
- [Sirenic: company discovery API pricing, 2 plans, GET /v1/entreprises/requete/lister](https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-entreprises-requete-lister/llms.txt)
- [Sirenic: company discovery API pricing, 2 plans, GET /v1/prospection](https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-prospection/llms.txt)

## Sirenic: business verification API alternatives

- [Anysite, $49 monthly, Starter, POST /api/arizona/companies/search](https://datacircle.dev/business-verification-apis/anysite/49-monthly-starter-post-api-arizona-companies-search/llms.txt): $163.333 per 1,000, 64% complete
- [VAT Search, €441 yearly](https://datacircle.dev/business-verification-apis/vat-search/441-yearly/llms.txt): $165.419 per 1,000, 55% complete
- [North Data, €750 monthly, Data API L](https://datacircle.dev/business-verification-apis/north-data/750-monthly-data-api-l/llms.txt): $168.795 per 1,000, 55% complete, 1 day
- [overheid.io, €150 yearly, Small, GET /v3/suggest/openkvk/{query}](https://datacircle.dev/business-verification-apis/overheid-io/150-yearly-small-get-v3-suggest-openkvk-query/llms.txt): $168.795 per 1,000, 27% complete, 1 day (postal code: 1 week)
- [Statsnet, $299 monthly](https://datacircle.dev/business-verification-apis/statsnet/299-monthly/llms.txt): $175.882 per 1,000, 18% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://api.sirenic.eu/api/kyb-dossier-verification-entreprise?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.sirenic.eu/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.sirenic.eu/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.sirenic.eu/mentions-legales?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.sirenic.eu/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing