Aster API Docs

Official API documentation for Aster.

🚀 Quick Start

• Use V3 (Recommended) for all new integrations
• Starting from March 25, 2026, V1 new API Key creation is no longer supported. Existing API Keys will continue to work.
• Choose EN / 中文 based on your preference

📖 Docs

API Overview

• Aster API Overview

V3 Futures API (Recommended)

• Futures API V3 (EN)
• Futures API V3 (中文)
• Futures Testnet API V3 (EN)
• Futures Testnet API V3 (中文)

V3 Spot API (Recommended)

• Spot API V3 (EN)
• Spot API V3 (中文)
• Spot Testnet API V3 (EN)
• Spot Testnet API V3 (中文)

V1 Futures API (Legacy)

• Futures API V1 (EN)
• Futures API V1 (中文)

V1 Spot API (Legacy)

• Spot API V1 (EN)
• Spot API V1 (中文)

RPC

• Aster Chain RPC
• Aster Chain RPC 文档

Demo

• API Key Registration
• Spot Asset Consolidation
• Deposit & Withdrawal