All projects on Base matching “reference-data”

Tax-ID / VAT-number validation for Pan-African countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for European countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Asian countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Latin American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Middle Eastern countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Australasian countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Company name search — find Legal Entity Identifiers (LEIs), legal names, jurisdictions and registration status. Get up to ten matches per page to identify counterparties, distinguish similarly named companies and enrich company reference data.

Tax-ID / VAT-number validation for North American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Find the right KBLI 2025 business classification code (5-digit, mandatory in Indonesia's OSS business licensing since 15 June 2026) from a free-text business activity in Indonesian or English. Returns official BPS titles, descriptions and hierarchy.