# European authorisations of investment firms

One integration covering the whole single market: where a national check needs twenty-seven integrations, this needs one. It is the European counterpart to the French authorisation check, and the right call when the counterparty is not established in France.

## What the route returns

Catalogue description, exactly as agents read it:

**EU financial authorisation lookup in the official ESMA Registers: search ~14,000 MiFID-regulated entities across the EU/EEA (investment firms, UCITS/AIFM managers) by name or LEI — authorisation status of the regulated entity, home and host member states, competent authority, authorisation dates. One integration covers all 27+ countries of Europe: an investment firm and regulated entity KYB check for the whole single market. Data freely available at the source (ESMA).**

## Expected identifier

A name, or a 20-character Legal Entity Identifier.

> ⚠️ 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 2026-07-29, 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.

```
{
 "requete": {
  "q": "BNP Paribas",
  "pays": null
 },
 "nombre_total": 64,
 "nombre_retourne": 10,
 "tronque": true,
 "agrements": [
  {
   "nom": "BNP PARIBAS ASSET MANAGEMENT EUROPE",
   "lei": "W51AX6427FJZJFPF8H34",
   "type_entite": "UCITS management company",
   "autorite_competente": "Autorité des Marchés Financiers (AMF)",
   "pays_origine": "FRANCE",
   "pays_accueil": [
    "AUSTRIA"
   ],
   "statut": "Active",
   "date_autorisation": "2002-04-01T00:00:00Z",
   "date_retrait": null
  }
 ],
 "source": "ESMA Registers — European Securities and Markets Authority (registers.esma.europa.eu). This data is freely available at the source.",
 "disclaimer": "Entités telles que publiées dans le registre unifié ESMA au moment de la consultation (statuts, autorités, passeports) — ni un avis de conformité ni une confirmation d'agrément ; vérifier auprès de l'autorité compétente.",
 "data_freshness": "interrogation ESMA en direct, cache 1 h"
}
```

## Price and billing

Price: **$0.01**. 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/eu/agrements

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

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

## Neighbouring routes

- `/v1/entreprise/{siren}/agrements` — $0.02
- `/v1/regulateurs/fr/alertes` — $0.01

## 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/eu/agrements` | $0.01 | EU financial authorisation lookup in the official ESMA Registers: search ~14,000 MiFID-regulated entities across the EU/EEA (investment firms, UCITS/AIFM managers) by name or LEI — authorisation status of the regulated entity, home and host member states, competent authority, authorisation dates. One integration covers all 27+ countries of Europe: an investment firm and regulated entity KYB check for the whole single market. Data freely available at the source (ESMA). |

## Take it further

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

## Read next

- [Checking a provider's authorisation](https://api.sirenic.eu/en/use-cases/check-financial-firm-s-authorisation-eba-eiopa-esma-arcep)

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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/