The Zentrader platform has a low minimum deposit, meaning you can get started trading with just $ / € / £50 or ¥5000.
Minimum trade size is $ / € / £5 or ¥500.
However, a key component of successful trading is capital management i.e. only risking a small amount of capital on each trade. For example, a (conservative) trader with $1000 of capital in their account may only risk $10-20 (1-2% of capital) on each trade.