# Siren API, free, Basic, GET /v3/etablissements/{SIRET}: Company enrichment API

> L’API qui va accélérer votre gestion d’entreprises. Les unités légales et établissements accessibles en un rien de temps dans votre système d’information !

Siren API's company enrichment API on its Basic plan. It costs $0.00 per 1,000 companies. Siren API's docs list 4 of the 13 key fields we check: Industry, Employees, Social profiles, Headquarters.
You get up to 4,320,000 calls a month.
We haven't run Siren API through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 2,003 plans for company enrichment APIs by price. Half the plans cost $7.957 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[APIs Peru's PEN 30 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 monthly plan costs less up front than Extruct's $49 monthly plan.
[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/89-monthly/llms.txt), [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/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/siren-api/free-basic-get-v3-etablissements-siret
- [Company enrichment API: the best of 160+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://siren-api.fr/tarifs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://data.siren-api.fr/v3/etablissements/{SIRET}`
- API key: with the plan, on https://siren-api.fr/tarifs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://siren-api.fr/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#endpoints-etablissement
- Sold by: Siren API (https://siren-api.fr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 31%
- Industry: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓

## 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: L’API qui va accélérer votre gestion d’entreprises. Les unités légales et établissements accessibles en un rien de temps dans votre système d’information !

## Data

- Freshness: 1 day
- Countries: France
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- Enough for: 4,320,000 calls a month

## Rate limit

- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: SIRET
- Method: GET
- Path: /v3/etablissements/{SIRET}

## About the plan

- Plan: Basic
- Who can get it: anyone

## The 50 fields the plan's answer can hold

SIREN, SIRET, NIC, head office NIC, diffusion status, purged unit, creation date, acronym, gender, first name, other first names, usual first name, pseudonym, association ID, headcount range, headcount year, last processing date, number of periods, company category, company category year, current period start date, administrative status, last name, usage name, legal name, usual names, legal category, main activity code, activity nomenclature, social and solidarity economy, employer status, crafts register activity, head office, trade names, establishment usual name, address complement, street number, repetition index, street type, street name, postal code, city, foreign city, special delivery, commune code, CEDEX code, CEDEX name, foreign country code, foreign country name, secondary address

## Siren API's plans (3)

- [Siren API, free, Basic, GET /v3/etablissements/{SIRET}](https://datacircle.dev/company-enrichment-apis/siren-api/free-basic-get-v3-etablissements-siret/llms.txt): $0.00 per 1,000, 31% complete, 1 day
- [Siren API, €30 monthly, Startup, GET /v3/etablissements/{SIRET}](https://datacircle.dev/company-enrichment-apis/siren-api/30-monthly-startup-get-v3-etablissements-siret/llms.txt): $0.00078 per 1,000, 31% complete, 1 day
- [Siren API, €150 monthly, Pro, GET /v3/etablissements/{SIRET}](https://datacircle.dev/company-enrichment-apis/siren-api/150-monthly-pro-get-v3-etablissements-siret/llms.txt): no limit, 31% complete, 1 day

## Siren API's calls (2)

- `GET /v3/etablissements/{SIRET}`: [Siren API, free, Basic, GET /v3/etablissements/{SIRET}](https://datacircle.dev/company-enrichment-apis/siren-api/free-basic-get-v3-etablissements-siret/llms.txt)
- `GET /v3/unites_legales/{SIREN}`: [Siren API, free, Basic, GET /v3/unites_legales/{SIREN}](https://datacircle.dev/company-enrichment-apis/siren-api/free-basic-get-v3-unites-legales-siren/llms.txt)

## Siren API's APIs (1)

- [Siren API: company enrichment API pricing, 3 plans, GET /v3/etablissements/{SIRET}](https://datacircle.dev/company-enrichment-apis/siren-api/free-basic-get-v3-etablissements-siret/llms.txt)

## Siren API: company enrichment API alternatives

- [Financial Modeling Prep, $1,188 yearly, Ultimate, GET /stable/profile](https://datacircle.dev/company-enrichment-apis/financial-modeling-prep/1188-yearly-ultimate-get-stable-profile/llms.txt): $0.00076 per 1,000, 46% complete, live
- [CompanyPulse, £99 monthly, Business, POST /v1/batch](https://datacircle.dev/company-enrichment-apis/companypulse/99-monthly-business-post-v1-batch/llms.txt): $0.00088 per 1,000, 23% complete, 1 day
- [Firmbase, €79 monthly, Business, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/firmbase/79-monthly-business-post-v1-companies-batch/llms.txt): $0.00089 per 1,000, 38% complete, 24 hours
- [SEC API, $588 yearly, Personal & Startups, GET /cik/{cik}](https://datacircle.dev/company-enrichment-apis/sec-api/588-yearly-personal-startups-get-cik-cik/llms.txt): $0.00095 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 2026-11-06.

- https://siren-api.fr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://siren-api.fr/achat?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://siren-api.fr/conditions-generales-de-vente?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://siren-api.fr/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://siren-api.fr/tarifs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing