Koder Invest

• *rea:*Industry Solutions (Fintech)
• *ath:*products/vertical/invest/engine
• *ind:*Multi-asset trading platform — Go API + Flutter client
• *ersion:*0.2.0
• *tatus:*Active — paper trading live at bull.koder.dev

Role in the stack

Koder Invest is the hyperscale global investment platform — stocks, ETFs, crypto, forex, fixed income, and derivatives unified under a single account, wallet, and tax view. It serves retail investors who want professionalgrade tools and power users who demand lowlatency execution.

The platform consists of:

• *investapi`*— Go HTTP gateway (REST + WebSocket) handling OMS, portfolio, KYC, social trading, roboadvisor, notifications, and news
• *investmarketdata`*— Go market data service (quotes, bars, WebSocket fanout)
• *lutter app*(flutter_app/) — Web, Android, and Linux clients with trading UI, charts, portfolio view, news, and settings

Primary couplings

Public Interfaces

*EST API*(documented at https://invest-api.koder.dev/docs):

• POST /v1/orders — submit marketlimitstopOCObracket orders
• GET /v1/orders?page=N&per_page=N — paginated order list
• GET /v1/portfolio — consolidated portfolio with live values
• GET /v1/positions?page=N — paginated holdings
• GET /v1/notifications?page=N — notification inbox
• GET /v1/watchlists?page=N, GET /v1/alerts?page=N — watchlists and price alerts
• GET /v1/news?page=N&class=equity — market news feed
• GET /v1/social/leaderboard — public copy-trading strategies
• GET /v1/robo/goals — robo-advisor goals
• GET /docs — Swagger UI
• GET /docs/openapi.yaml — raw OpenAPI 3.0 spec
• GET /v1/ws/portfolio — WebSocket live portfolio stream

Pagination Standard

All list endpoints use ?page=1&per_page=50 and return:

{"data": [...], "pagination": {"page":1,"per_page":50,"count":50,"has_more":true}}