# Sirenic, free quota, GET /v1/prospection: Company discovery API

> French B2B prospecting and lead generation over the full official French company registry: build targeted company lists with multi-criteria filters: NAF/APE activity code, departement or postal-code prefix, legal form, workforce bracket, company age, active RGE environmental certification, gender-equality index.

Sirenic's Free quota plan for the company discovery API costs $0.00 per 1,000 companies. Sirenic's docs list 2 of the 13 fields on our checklist: Industry, Type and status.
You get up to 150 pages a month.
We haven't run Sirenic through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 966 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-prospection
- [Company discovery API: the best of 80+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.sirenic.eu/v1/prospection`
- API key: with the plan, on https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://api.sirenic.eu/api/prospection-b2b-france-listes-entreprises-par-criteres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Sirenic (https://api.sirenic.eu?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 15%
- Industry: ✓
- Type and status: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 100
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Most per search: 10,000
- 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: French B2B prospecting and lead generation over the full official French company registry: build targeted company lists with multi-criteria filters: NAF/APE activity code, departement or postal-code prefix, legal form, workforce bracket, company age, active RGE environmental certification, gender-equality index.

## Data

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

## Plan

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

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: naf, departement, code_postal, forme_juridique, effectif_min, effectif_max, age_min, age_max, rge, egapro_min, page
- Method: GET
- Path: /v1/prospection

## About the plan

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

## The 8 fields the plan's answer can hold

SIREN, legal name, NAF code, legal form, workforce bracket, creation date, head office postal code, head office city

## Sirenic's plans (2)

- [Sirenic, free quota, GET /v1/prospection](https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-prospection/llms.txt): $0.00 per 1,000, 15% complete
- [Sirenic, pay as you go, x402 pay per call, GET /v1/prospection](https://datacircle.dev/company-discovery-apis/sirenic/pay-as-you-go-x402-pay-per-call-get-v1-prospection/llms.txt): $0.225 per 1,000, 15% complete

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

- `GET /v1/entreprises/requete/lister`: [Sirenic, free quota, GET /v1/entreprises/requete/lister](https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-entreprises-requete-lister/llms.txt)
- `GET /v1/prospection`: [Sirenic, free quota, GET /v1/prospection](https://datacircle.dev/company-discovery-apis/sirenic/free-quota-get-v1-prospection/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: business verification API pricing, 2 plans, GET /v1/eu/recherche](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-eu-recherche/llms.txt)
- [Sirenic: business verification API pricing, 2 plans, GET /v1/recherche](https://datacircle.dev/business-verification-apis/sirenic/free-quota-get-v1-recherche/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: company discovery API alternatives

- [AI Ark, $4,449 monthly](https://datacircle.dev/company-discovery-apis/ai-ark/4449-monthly/llms.txt): $0.223 per 1,000, 85% complete, 30 days
- [EveryInfra, $2,000 pack](https://datacircle.dev/company-discovery-apis/everyinfra/2000-pack/llms.txt): $0.224 per 1,000, 54% complete
- [Firmbase, €15 monthly, Start, GET /v1/autocomplete](https://datacircle.dev/company-discovery-apis/firmbase/15-monthly-start-get-v1-autocomplete/llms.txt): $0.225 per 1,000, 15% complete, 24 hours
- [Klazify, $13,900 yearly](https://datacircle.dev/company-discovery-apis/klazify/13900-yearly/llms.txt): $0.232 per 1,000, 38% 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/prospection-b2b-france-listes-entreprises-par-criteres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.sirenic.eu/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.sirenic.eu/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.sirenic.eu/mentions-legales?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.sirenic.eu/offres?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.sirenic.eu/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing