Alpha Version

The Ostium Builder Service is in Alpha. API endpoints, specifications, and builder URLs may change without notice. Use with caution in production environments.

Ostium Builder Service

Trade global markets like fx, commodities, indices, etfs, stocks, and crypto from one API.
Complete self-custody. Gasless execution. Up to 200x leverage.

View Documentation

Connecting...Connecting to Builder Service...

Account

Connect your wallet to enable
gasless trading with delegate wallets

Trade

Asset

Side

Type

Price (Market)

USDCCollateral (USDC)

Leverage: 10x

TPTake Profit

SLStop Loss

Size0.000000

Connect wallet or provide API key to trade