<p>My business is an AI API platform that gives developers access to multiple language models through a single gateway. It supports usage-based billing, model routing, streaming, audio transcription, and image generation. The project was started to make AI models easier to integrate and manage.</p><p><b>Key highlights:</b></p><ul> <li>Annual revenue: approximately $3,000</li> <li>Annual profit: approximately $1,500</li> <li>Registered users: approximately 112,000</li> <li>Hundreds of users have paid for the service</li> <li>Current average markup: approximately 100%</li> </ul> <p><b>Team</b></p><p>The project is operated by one founder, who handles development, infrastructure, support, and day-to-day operations.</p><p><b>Tech Stack</b></p><ul> <li>Python and FastAPI power the API gateway;&nbsp;</li> <li>PostgreSQL and Redis handle data and caching.&nbsp;</li> <li>The admin dashboard uses Next.js, React, and TypeScript.&nbsp;</li> <li>Nginx manages incoming traffic.</li> </ul> <p><b>Marketing and growth</b></p><p>The service has grown organically, without paid advertising, reaching approximately 112,000 registered users.</p><p><b>Revenue and profit</b></p><p>Annual revenue is approximately $3,000, with approximately $1,500 in annual profit. Hundreds of users have paid for the service.</p><p><b>Return on investment</b></p><p>The estimated payback period is 24–36 months, depending on the purchase price, future growth, and operating costs. The current average markup is approximately 100% and can be adjusted.</p><p><b>Startup assets</b></p><p>The sale includes the platform’s source code and infrastructure, a database of approximately 112,000 registered users, payment history, and provider integrations and credentials.</p><p><b>Risks</b></p><p>Key risks include dependence on AI model providers, changes in API pricing, competition, and infrastructure costs. These can be managed through provider diversification, monitoring, and careful pricing.</p><p><b>Summary</b></p><p>My platform offers a ready-built AI API gateway with model routing, billing, and an admin dashboard. It provides a foundation for a buyer looking to grow an AI infrastructure business.</p><p>✅ $3,000 TTM revenue</p><p>✅ 159 customers</p><p>✅ Business model: SaaS</p><p>✅ Built with Next.js, Python, React</p>