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Hundreds of well-known banking entities around the world already use our api.
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TIN Check Paraguay

Individuals / entities :

The Registro Único del Contribuyente (RUC) is the unique taxpayer registry that maintains the personal, non-transferable, identification number for all those physical persons (national or foreign) and legal entities (for-profit and non-profit) that carry out economic activities in the Paraguayan territory.
The identification number is created primarily for tax purposes.


6 to 8 digits, 1 dash, 1 check sum digit

519873-9 64823571 8765432-6 5065437-3
tincheck app
tincheck dash


We are excited to announce the release of the latest version of the TIN-Check Dashboard, the premier tool for conducting TIN checks.
This new version features a sleek, modern design and enhanced functionality to make TIN checks even more convenient and efficient.

The TIN-Check Dashboard is the ultimate solution for verifying TINs and ensuring compliance.

Upgrade to the latest version today and experience the power and convenience of the TIN-Check Dashboard.

Learn More ->

API Full security

At TIN Check, we take the security of our API very seriously.
We have implemented a number of measures to ensure that our API is secure and protected against potential threats.
These measures include 256-bit TLS/SSL encryption.
We are committed to maintaining the highest standards of security and will continue to invest in the latest
technologies and best practices to keep our API safe and secure for all users.