# Investment Bets > Investment Bets is a gamified paper-trading web app for tracking stock-market calls by percentage return. Investment Bets lets users place long or short paper-trading bets on stocks, compare performance on leaderboards, follow other traders, and review public track records. Prices are fetched server-side from market data so entry and exit prices are not user supplied. ## Primary Resources - [Website](https://investment-bets.com/): Browser app for sign-in, portfolios, bets, leaderboards, public profiles, follows, feed, billing, and Telegram notifications. - [Full LLM overview](https://investment-bets.com/llms-full.txt): Expanded product, API, and crawler guidance. - [Authentication notes](https://investment-bets.com/auth.md): How agents should understand account creation, cookie sessions, and protected endpoints. - [API catalog](https://investment-bets.com/.well-known/api-catalog): RFC 9727 linkset pointing to machine-readable API descriptions. - [OpenAPI description](https://investment-bets.com/openapi.json): Public description of the Investment Bets API surface. - [Sitemap](https://investment-bets.com/sitemap.xml): Canonical crawlable URLs. - [Crawler policy](https://investment-bets.com/robots.txt): Robots directives and Content-Signal preferences. ## Public API Summary The production API origin is `https://api.investment-bets.com`. Public unauthenticated reads include leaderboards, public user profiles, and Stripe plan listings. Most account, trading, feed, follow, billing portal, and Telegram operations require an HttpOnly `auth_token` cookie from the email/password login flow. ## Agent Guidance - Use `Accept: text/markdown` on `https://investment-bets.com/` to retrieve a concise markdown homepage. - Use `/openapi.json` before attempting API calls. - Do not call write endpoints unless a human user has explicitly authorized the action. - Do not probe webhook endpoints.