Contact Us

Last updated: June 18, 2026

If you have questions about One Cartao, our website, our informational content, our policies, or a privacy-related request, you can contact us using the information below.

One Cartao is operated by DM NETWORK MIDIA DIGITAL LTDA.

Contact Information

Company: DM NETWORK MIDIA DIGITAL LTDA

Address: Rua 20 de Setembro, 334, Sala 06, Centro, Piratini, RS, Brazil

Email: email@onecartao.com

Website: https://onecartao.com

Before You Contact Us

One Cartao is an informational website that provides general educational content about credit cards, financial products, and related consumer topics.

Important: One Cartao is not a bank, lender, credit card issuer, broker, financial institution, or financial advisor. We do not approve or deny credit applications and we do not determine eligibility for any financial product.

If your question relates to a specific credit card application, approval decision, credit limit, rate, fee, reward, account, statement, or product term, please contact the applicable bank, issuer, lender, or third-party provider directly.

What We Can Help With

You may contact us regarding:

Questions about One Cartao or our website;
Questions about our informational content;
Privacy requests or data-related inquiries;
Requests to update, correct, or delete information you submitted to us;
Questions about advertising, affiliate disclosure, or third-party links;
Technical issues related to accessing our website;
General feedback or suggestions.

Privacy Requests

If you are contacting us about privacy rights, please include enough information for us to identify your request. We may ask for additional information to verify your identity before processing privacy-related requests.

You can review our Privacy Policy for more information about how we collect, use, disclose, and protect information.

Third-Party Websites and Offers

Our website may include links to third-party websites, advertisements, sponsored content, or affiliate links. Third-party websites and financial product providers are responsible for their own content, terms, privacy policies, eligibility requirements, and approval decisions.

We cannot assist with account-specific questions, approval decisions, card applications, billing, fees, rates, rewards, or other terms controlled by third-party providers.

Response Time

We aim to review and respond to legitimate inquiries within a reasonable time. Response times may vary depending on the nature of the request, the information provided, and applicable legal requirements.

Email Us

For support, privacy requests, content questions, or general inquiries, contact us at:

email@onecartao.com