Globally, similar concepts exist (EIN in the USA, VAT ID in Germany, SIRET in France), but the keyword "nip activity com" specifically targets users looking for a digital interface (the ".com") to perform these checks.
For those who do not want to pay for a service, here is the manual, 100% free method to check "nip activity" using official sources. nip activity com
See the "lifecycle" of a NIP. Frequent activation and deactivation (churn) is a hallmark of shell companies used for fraud. Unveiling the World of Spontaneous Freedom: A Look