Balance API by 1inch is a high-performance API designed to provide accurate, real-time information on token balances and allowances for crypto wallets. Supporting over 5 million tokens across 12 major blockchain networks—including Ethereum, BNB Chain, and Polygon—it is ideal for integration into wallets, portfolio trackers, exchanges, and DeFi dashboards. With a response time of under 400 milliseconds, the Balance API ensures fast and reliable data delivery, making it one of the most efficient solutions on the market. It is available as an enterprise-grade service with dedicated endpoints for guaranteed performance.

Features

• 12 Blockchain Networks: Supports major chains like Ethereum, BNB Chain, Polygon, and more.
• 5M+ Tokens: Covers virtually all tokens across supported networks.
• Real-Time Balance Retrieval: Fetches wallet balances and token allowances instantly.
• <400ms Response Time: Optimized for speed and performance.
• Enterprise API: Dedicated endpoint for high-throughput and mission-critical applications.
• Flexible Integration: Suitable for wallets, token trackers, exchanges, and meta-aggregators.

Benefits

• Comprehensive Coverage: Access to balances for any token on leading blockchains.
• Speed & Efficiency: Sub-400ms latency ensures smooth user experiences.
• Scalable Infrastructure: Built to support both startups and enterprise-grade platforms.
• Developer Friendly: Easy to integrate into any DeFi or Web3 application.
• Reliable Performance: Enterprise endpoint ensures uptime and consistent throughput.
• Enhanced UX: Enables real-time portfolio tracking and wallet management.