Tunnel provides Generative Engine Optimization (GEO) services, ensuring businesses are visible and accurately represented in AI assistants like ChatGPT, Claude, and Gemini. It offers tools such as llms.txt, JSON-LD schema, and FAQ pages to make business information machine-readable and consistent across the web. Tunnel is a product of "STILL BETA TECH" SRL, based in Chișinău, Moldova.
Tunnel, operated by "STILL BETA TECH" SRL in Chișinău, Moldova, specializes in Generative Engine Optimization (GEO) to enhance business visibility and accurate representation within AI assistants like ChatGPT, Claude, and Gemini. The service provides six AI-readable endpoints, including llms.txt, JSON-LD schema, FAQ pages, and a knowledge base, making business information machine-readable and consistent across the web. Tunnel offers a free tier with a full pipeline for one website, alongside paid plans (Pro €49/mo, Business €199/mo) and custom options. Its methodology includes a daily updated AI visibility score (0-100) that measures how often AI assistants mention and cite a business, querying five major AI engines and weighting mentions (0.6) and citations (0.4). Businesses without traditional websites can also leverage Tunnel, which creates machine-readable records from social media presences like Instagram or TikTok. The platform includes 'Tunnel Landline,' a dedicated messaging address for AI agents to communicate with businesses via a secure dashboard, ensuring privacy and spam prevention. Verification services offer both free automated channel control checks and human verification for legal identity and service authenticity on paid plans, with all verified records cryptographically signed and publicly logged. Tunnel's process involves a first visibility check within an hour, with GEO endpoints live within 24 hours, and continuous optimization. The company's privacy policy, last updated July 26, 2026, details data collection, usage, and user rights under GDPR, UK GDPR, and US state laws, emphasizing no sale of personal data or use of tracking cookies. The terms of service, also updated July 26, 2026, outline account creation, service usage, and billing in Euro, with disputes governed by Moldovan law. Adobe Analytics reported a +393% increase in AI-referred traffic to US retail sites year-over-year in Q1 2026, highlighting the growing importance of AI visibility.