Free tools to validate Latin American documents

Free validators for Latin American tax, identity and bank documents. Each tool explains the format and check-digit algorithm and includes API code examples.

Argentina

CUIT
CUIT (Argentine tax ID)CUIL
CUIL (Argentine labor ID)DNI
Argentine DNI (national ID number)CBU
CBU (Argentine bank account number)CVU
CVU (Argentine virtual wallet account)

Brazil

CPF
CPF (Brazilian individual taxpayer ID)CNPJ
CNPJ (Brazilian company tax ID)

Mexico

RFC
RFC (Mexican tax ID)CURP
CURP (Mexican population ID)CLABE
CLABE (Mexican interbank account number)

Chile

RUT
Chilean RUT / RUN

Colombia

NIT
Colombian NIT (tax ID)

Peru

RUC
Peruvian RUC (tax ID)

Uruguay

RUT UY
Uruguayan RUT (tax ID)CI UY
Uruguayan national ID (CI)

Ecuador

Cédula EC
Ecuadorian cédula (national ID)RUC EC
Ecuadorian RUC (tax ID)

Paraguay

RUC PY
Paraguayan RUC (tax ID)

International

IBAN
IBAN (International Bank Account Number)

API

Free plan to get started; paid plans for production volume and batch validation (up to 1000 per request).

RapidAPI → Swagger · OpenAPI