# API Entreprise, free, GET /v4/insee/sirene/unites_legales/diffusibles/{siren}: Company enrichment API

> Informations de référence publiques d'une unité légale (entreprise, association ou administration) inscrite au répertoire Sirene.

API Entreprise's Free plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. API Entreprise's docs list 4: Industry, Type and status, Employees, Social profiles.
API Entreprise limits how many calls you get but gives no number.
We haven't run API Entreprise through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
We rank 3,016 plans for company enrichment APIs by price. Half the plans cost $8.977 or less per 1,000 companies. This plan and 213 others tie for the lowest price per 1,000 companies of the 3,016 plans. [See the best free company enrichment API plan.](https://datacircle.dev/best-company-enrichment-api.txt)
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-diffusibles-siren
- [Company enrichment API in 2026: the best of 260+ compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://entreprise.api.gouv.fr/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://entreprise.api.gouv.fr/v4/insee/sirene/unites_legales/diffusibles/{siren}`
- API key: with the plan, on https://entreprise.api.gouv.fr/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://entreprise.api.gouv.fr/developpeurs/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#operation/api_entreprise_v4_insee_unites_legales_diffusables
- Sold by: API Entreprise (https://entreprise.api.gouv.fr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 31%
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Social profiles: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Informations de référence publiques d'une unité légale (entreprise, association ou administration) inscrite au répertoire Sirene.

## Data

- Freshness: 24 hours
- Countries: France
- Keep data: no limit
- Use data: Le Partenaire demande l’accès aux seules données strictement nécessaires à la réalisation d’une démarche administrative. [...] Le Partenaire s’engage à présenter les données obtenues par l’intermédiaire du Service aux seuls agents dûment habilités et à tracer l’accès de ces agents aux données. [...] Le Partenaire s’engage à ne pas commercialiser les données reçues et à ne pas les communiquer à des tiers en dehors des cas prévus par la loi.

## Plan

- Pay: $0

## Rate limit

- Per second: 4.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: siren, context, object, recipient. Optional: delegation_id
- Method: GET
- Path: /v4/insee/sirene/unites_legales/diffusibles/{siren}

## About the plan

- Plan: Free
- Who can get it: Public bodies with a public service mission (administrations, their operators, local authorities, health bodies), by a DataPass habilitation, their private providers may get the technical details but never the data, not individuals, associations or companies

## The 33 fields the plan's answer can hold

SIREN, association ID, head office SIRET, legal entity type, registered name, acronym, pseudonym, usual first name, first name, second first name, third first name, fourth first name, usage name, birth name, sex, company category, diffusion status, commercially disclosable, legal form code, legal form, main activity code, main activity, activity nomenclature, employee count range, employee count year, status, social and solidarity economy, formation date, NAF rev 2 activity code, NAF rev 2 activity, closure date, last update date, redirected from SIREN

## API Entreprise's plans (1)

- [API Entreprise, free, GET /v4/insee/sirene/unites_legales/diffusibles/{siren}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-diffusibles-siren/llms.txt): $0.00 per 1,000, 31% complete, 24 hours

## API Entreprise's calls for this API (17)

- `GET /v3/inpi/rne/unites_legales/{siren}/extrait_rne`: [API Entreprise, free, GET /v3/inpi/rne/unites_legales/{siren}/extrait_rne](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-inpi-rne-unites-legales-siren-extrait-rne/llms.txt)
- `GET /v3/inpi/rne/unites_legales/{siren}/beneficiaires_effectifs`: [API Entreprise, free, GET /v3/inpi/rne/unites_legales/{siren}/beneficiaires_effectifs](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-inpi-rne-unites-legales-siren-beneficiaires-effectifs/llms.txt)
- `GET /v3/dgfip/etablissements/{siret}/chiffres_affaires`: [API Entreprise, free, GET /v3/dgfip/etablissements/{siret}/chiffres_affaires](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-dgfip-etablissements-siret-chiffres-affaires/llms.txt)
- `GET /v4/djepva/api-association/associations/{siren_or_rna}`: [API Entreprise, free, GET /v4/djepva/api-association/associations/{siren_or_rna}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-djepva-api-association-associations-siren-or-rna/llms.txt)
- `GET /v4/djepva/api-association/associations/open_data/{siren_or_rna}`: [API Entreprise, free, GET /v4/djepva/api-association/associations/open_data/{siren_or_rna}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-djepva-api-association-associations-open-data-siren-or-rna/llms.txt)
- `GET /v3/ministere_interieur/siaf/associations/{siren_or_siret_or_rna}`: [API Entreprise, free, GET /v3/ministere_interieur/siaf/associations/{siren_or_siret_or_rna}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-ministere-interieur-siaf-associations-siren-or-siret-or-rna/llms.txt)
- `GET /v3/ministere_interieur/siaf/associations/open_data/{siren_or_siret_or_rna}`: [API Entreprise, free, GET /v3/ministere_interieur/siaf/associations/open_data/{siren_or_siret_or_rna}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-ministere-interieur-siaf-associations-open-data-siren-or-siret-or-rna/llms.txt)
- `GET /v3/ministere_interieur/siaf/fondations/{siren_or_siret_or_rnf}`: [API Entreprise, free, GET /v3/ministere_interieur/siaf/fondations/{siren_or_siret_or_rnf}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-ministere-interieur-siaf-fondations-siren-or-siret-or-rnf/llms.txt)
- `GET /v4/insee/sirene/unites_legales/{siren}/siege_social`: [API Entreprise, free, GET /v4/insee/sirene/unites_legales/{siren}/siege_social](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-siren-siege-social/llms.txt)
- `GET /v4/insee/sirene/unites_legales/diffusibles/{siren}/siege_social`: [API Entreprise, free, GET /v4/insee/sirene/unites_legales/diffusibles/{siren}/siege_social](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-diffusibles-siren-siege-social/llms.txt)
- `GET /v4/insee/sirene/etablissements/{siret}`: [API Entreprise, free, GET /v4/insee/sirene/etablissements/{siret}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-etablissements-siret/llms.txt)
- `GET /v4/insee/sirene/etablissements/diffusibles/{siret}`: [API Entreprise, free, GET /v4/insee/sirene/etablissements/diffusibles/{siret}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-etablissements-diffusibles-siret/llms.txt)
- `GET /v4/insee/sirene/unites_legales/{siren}`: [API Entreprise, free, GET /v4/insee/sirene/unites_legales/{siren}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-siren/llms.txt)
- `GET /v4/insee/sirene/unites_legales/diffusibles/{siren}`: [API Entreprise, free, GET /v4/insee/sirene/unites_legales/diffusibles/{siren}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-diffusibles-siren/llms.txt)
- `GET /v3/infogreffe/rcs/unites_legales/{siren}/extrait_kbis`: [API Entreprise, free, GET /v3/infogreffe/rcs/unites_legales/{siren}/extrait_kbis](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-infogreffe-rcs-unites-legales-siren-extrait-kbis/llms.txt)
- `GET /v3/infogreffe/rcs/unites_legales/{siren}/mandataires_sociaux`: [API Entreprise, free, GET /v3/infogreffe/rcs/unites_legales/{siren}/mandataires_sociaux](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-infogreffe-rcs-unites-legales-siren-mandataires-sociaux/llms.txt)
- `GET /v3/dgfip/unites_legales/{siren}/numero_tva`: [API Entreprise, free, GET /v3/dgfip/unites_legales/{siren}/numero_tva](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v3-dgfip-unites-legales-siren-numero-tva/llms.txt)

## API Entreprise's APIs (3)

- [API Entreprise: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/api-entreprise/free/llms.txt)
- [API Entreprise: company enrichment API pricing, 1 plan, GET /v4/insee/sirene/unites_legales/diffusibles/{siren}](https://datacircle.dev/company-enrichment-apis/api-entreprise/free-get-v4-insee-sirene-unites-legales-diffusibles-siren/llms.txt)
- [API Entreprise: company headcount API pricing, 1 plan, GET /v3/gip_mds/unites_legales/{siren}/effectifs_annuels/{year}](https://datacircle.dev/company-headcount-apis/api-entreprise/free-get-v3-gip-mds-unites-legales-siren-effectifs-annuels-year/llms.txt)
- [API Entreprise: company headcount API pricing, 1 plan, GET /v3/gip_mds/etablissements/{siret}/effectifs_mensuels/{month}/annee/{year}](https://datacircle.dev/company-headcount-apis/api-entreprise/free-get-v3-gip-mds-etablissements-siret-effectifs-mensuels-month-annee-year/llms.txt)

## API Entreprise: company enrichment API alternatives

- [data.ct.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-ct-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 38% complete, 1 day
- [PRH, free](https://datacircle.dev/company-enrichment-apis/prh/free/llms.txt): $0.00 per 1,000, 23% complete, 1 day
- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [Companies Registration Office, free](https://datacircle.dev/company-enrichment-apis/companies-registration-office/free/llms.txt): $0.00 per 1,000, 15% 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 2026-11-10.

- https://datapass.api.gouv.fr/api-entreprise?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entreprise.api.gouv.fr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entreprise.api.gouv.fr/catalogue/insee/unites_legales_diffusibles?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entreprise.api.gouv.fr/cgu?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entreprise.api.gouv.fr/developpeurs/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entreprise.api.gouv.fr/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing