# Searching a director's offices

The search in reverse: you start from the person, not the company. It is the angle that reveals a director accumulating offices in distressed companies — a signal that watching a single company never gives you.

## What the route returns

Catalogue description, exactly as agents read it:

**Reverse search for company directors and officers in France: a people search by surname (?nom=) that lists the French companies where a person of that name holds or held an office, with each company SIREN, name and the person role — network mapping and due diligence on directors. Person data is limited to surname, first names, role and birth YEAR (French GDPR/INPI rules). Results are indicative: homonyms are not disambiguated and very common names are capped.**

## Expected identifier

`nom` parameter: a surname.

> ⚠️ A wrongly formatted identifier returns `400` and is **not billed** — but it costs you a round trip. It is the leading cause of failed calls on the foreign routes.

## Extract from a genuinely paid response

Dated snapshot from 2026-08-13, truncated to one item per array. It is not live data. The full extract is served **free of charge** from [the samples surface](https://api.sirenic.eu/exemples/), and the schema from the OpenAPI document.

```
{
 "nombre_resultats": 1,
 "tronque": false,
 "resultats": [
  {
   "siren": "314685454",
   "denomination": "AGACHE",
   "etat_administratif": "actif",
   "statut_diffusion": "totale",
   "correspondance_locale": true,
   "mandats": [
    {
     "type": "personne_physique",
     "nom": "ARNAULT",
     "prenoms": "BERNARD",
     "fonction": "Autre",
     "annee_de_naissance": "1949"
    }
   ]
  }
 ]
}
```

## Price and billing

Price: **$0.02**. The authoritative amount is the one in the `402` quote returned by the route itself — not this text, which derives from the same grid but is still just a page.

An error response **cancels the payment**: a `400`, `404` or `503` is never billed. An upstream outage closes the route with a `503` rather than serving a degraded response.

## Calling the route

```
# 1. Le devis, sans rien payer : la route répond 402 avec son montant
curl -i https://api.sirenic.eu/v1/dirigeant/recherche

# 2. L'appel réglé — le client x402 paie le devis et rejoue la requête
npx x402-fetch https://api.sirenic.eu/v1/dirigeant/recherche

# 3. Ou en MCP, dans Claude Code / Cursor / un agent
claude mcp add --transport http sirenic https://api.sirenic.eu/mcp
```

## What this route does not do

**Indicative** results: namesakes are not disambiguated and very common surnames are capped. Person data is limited to surname, first names, role and birth **year**. Do not base a decision on a name match alone.

## Neighbouring routes

- `/v1/recherche` — $0.001
- `/v1/surveillance/creer` — $0.05 (30 j) · $0.135 (90 j) · $0.50 (365 j) / entité

## How you pay

Every route is paid **per call**, in USDC or EURC on the Base network, over the x402 protocol: no account to create, no API key, no subscription. The first call returns a `402` quote your client settles, then replays the call. A failed call is never billed.

Would you rather have a euro invoice and prepaid credits? That is **in preparation**, and we will not announce a date until it is open. Write to [contact@sirenic.eu](mailto:contact@sirenic.eu?subject=Euro%20credit%20packs) and we will let you know when it opens.

Paid responses are **Ed25519-signed**: you can later prove what was served to you, and when. The whole catalogue is free to read in the [OpenAPI document](https://api.sirenic.eu/openapi.json) and in [llms.txt](https://api.sirenic.eu/llms.txt).

**One call, end to end**

```
# Client x402 (npm) — le devis 402 est réglé et l'appel rejoué automatiquement
npx x402-fetch https://api.sirenic.eu/v1/entreprise/552032534

# Ou en MCP, dans Claude Code / Cursor
claude mcp add --transport http sirenic https://api.sirenic.eu/mcp
```

## Routes used and pricing

| Route | Price | What it returns |
| --- | --- | --- |
| `/v1/dirigeant/recherche` | $0.02 | Reverse search for company directors and officers in France: a people search by surname (?nom=) that lists the French companies where a person of that name holds or held an office, with each company SIREN, name and the person role — network mapping and due diligence on directors. Person data is limited to surname, first names, role and birth YEAR (French GDPR/INPI rules). Results are indicative: homonyms are not disambiguated and very common names are capped. |

> ⚠️ Director search returns indicative results: namesakes are not disambiguated and very common surnames are capped.

## Take it further

- [See a real response (free)](https://api.sirenic.eu/exemples/dirigeant-recherche.json)
- [Get the quote for /v1/dirigeant/recherche](https://api.sirenic.eu/v1/dirigeant/recherche)
- [Get notified about euro packs](mailto:contact@sirenic.eu?subject=Euro%20credit%20packs)

## Read next

- [Building a B2B prospecting list](https://api.sirenic.eu/en/use-cases/build-b2b-prospecting-list-from-official-french-registry)

---

Volume figures on this page were measured in our database on 2026-08-19. They are dated snapshots, not live counters.

Full catalogue : https://api.sirenic.eu/