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About Us

Last updated: April 3, 2026

Company Information

R. AI Investment & Technology Joint Stock Company (Công ty CP Đầu tư & Công nghệ R. AI) is a technology company registered in Vietnam, specializing in AI-powered chatbot and virtual assistant solutions for businesses. Business Registration Certificate No. 0111206567, issued by the Hanoi Department of Planning and Investment.

Legal Representative

The legal representative of R. AI Investment & Technology Joint Stock Company is the company's Director, who is authorized to act on behalf of the company in all legal and business matters.

Registered Address

No. 14-15A, 7th Floor, Charmvit Tower, 117 Tran Duy Hung Street, Yen Hoa Ward, Cau Giay District, Hanoi, Vietnam.

Contact Information

Email: [email protected] | Hotline: 0941161899 | Business Hours: Monday–Friday, 9:00–18:00 (ICT, GMT+7) | Website: https://openclaw.restai.vn

Tax Registration

Tax Identification Number (TIN): 0111206567. R. AI Investment & Technology Joint Stock Company is registered with the General Department of Taxation of Vietnam and complies with all applicable tax obligations.

Business Scope

R. AI OpenClaw Hub is an AI chatbot SaaS (Software as a Service) platform that enables businesses and individuals to deploy, configure, and manage AI-powered assistant bots across popular messaging platforms including Telegram, WhatsApp, Discord, and Slack. Our services include: bot deployment and management, AI model integration via OpenRouter, multi-platform messaging support, usage analytics and monitoring, and subscription-based access plans.

Payment Methods Accepted

We accept payments through Polar (polar.sh), supporting international credit and debit cards (Visa, Mastercard, American Express) and other payment methods available through Polar's checkout system. For detailed information about our payment policies, please visit our Payment Policy page (/payment).

Contact & Support

Support

Hotline

0941161899

Live Chat

Available on website (9:00–18:00)

Response Time

Within 24 hours

Company Information

Company

R. AI Investment & Technology Joint Stock Company

Address

No. 14-15A, 7th Floor, Charmvit Tower, 117 Tran Duy Hung, Yen Hoa Ward, Hanoi, Vietnam

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Tax ID

0111206567