France

nº SIREN

French SIREN number / Numéro SIREN

The SIREN number (Système d'Identification du Répertoire des ENtreprises) is a unique 9-digit identification number assigned to legal entities in France. It is issued by the INSEE (National Institute of Statistics and Economic Studies) and is used for various administrative and legal purposes.

Format details

This identifier follows a strict format, here represented as X = alphanumeric character, A = letter, 0 = digit, and # = alphanumeric or special character (*, +, ?).

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Valid identifiers

Example of syntactically valid French SIREN number / Numéro SIREN

SIREN303 265 045

Linked registries

Data for this identifier is verified against the following registries

INSEEInstitut National de la Statistique et des Études Économiquesfr-insee VIESVAT Information Exchange Systemeu-vies

French SIREN number / Numéro SIREN

Syntax 303 265 045

Verification API

Identifier to details

Use our API to verify any nº SIREN from France in real-time and get detailed information about the associated entity, ensure its presence in the registry of record, see the registered address, and more.

Read the docs

TerminalBASH

curl -X GET "https://verifyvat.com/api/verify/fr_siren/303265045" \
     -H "x-api-key: {your_api_key}"

# You can also use query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/verify?type=fr_siren&id=303265045" \
     -H "x-api-key: {your_api_key}"

# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/verify" \
     -H "Content-Type: application/json" \
     -H "x-api-key: {your_api_key}" \
     -d '{"type":"fr_siren","id":"303265045"}'

TerminalBASH

curl -X GET "https://verifyvat.com/api/types/fr_siren"

# Via query parameters with a GET request:
curl -X GET "https://verifyvat.com/api/id-types?id=fr_siren"

# Or via JSON body with a POST request:
curl -X POST "https://verifyvat.com/api/id-types" \
     -H "Content-Type: application/json" \
     -d '{"id":"fr_siren"}'

Format API

Discover the format

Explore the format and validation rules of this identifier, and implement the verification logic in your platform.

Read the docs

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Start verifying with confidence

Whether you’re checking one company or building verification into your product, VerifyVAT gives you instant access to official business data: clear, accurate, and always up to date. No fluff, no guesswork, just the facts you need from the sources that matter.

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curl -X GET "https://verifyvat.com/api/verify/fr_siren/303265045" \ -H "x-api-key: {your_api_key}" # You can also use query parameters with a GET request: curl -X GET "https://verifyvat.com/api/verify?type=fr_siren&id=303265045" \ -H "x-api-key: {your_api_key}" # Or via JSON body with a POST request: curl -X POST "https://verifyvat.com/api/verify" \ -H "Content-Type: application/json" \ -H "x-api-key: {your_api_key}" \ -d '{"type":"fr_siren","id":"303265045"}'

curl -X GET "https://verifyvat.com/api/types/fr_siren" # Via query parameters with a GET request: curl -X GET "https://verifyvat.com/api/id-types?id=fr_siren" # Or via JSON body with a POST request: curl -X POST "https://verifyvat.com/api/id-types" \ -H "Content-Type: application/json" \ -d '{"id":"fr_siren"}'