Binance Wallet has unveiled its new Web3 API, a unified suite of API endpoints designed to give developers, institutions, and advanced on-chain traders programmatic access to on-chain trading, market data, and wallet capabilities through a single integration.
The launch marks a significant step in Binance’s push to extend its Web3 infrastructure beyond retail users, targeting builders of decentralised applications (DApps), trading bots, portfolio management tools, and AI agent workflows that require on-chain execution.
The Web3 API is built around three core pillars. The Market Data API delivers real-time token prices, candlestick data, and top gainers and losers across supported chains. The Trading API aggregates swap quotes from multiple vendors, executes token swaps on-chain, and incorporates built-in MEV protection. Multi-chain support covers major EVM-compatible networks including Ethereum, BNB Smart Chain, Arbitrum, Polygon, Base, Optimism, and Monad, as well as Solana, with further chains in the pipeline.
A key differentiator is the non-custodial architecture: Binance Wallet never holds or accesses user private keys, returning unsigned transactions for local signing. For a limited period, Binance is also waiving service fees and positive slippage charges, returning all price improvement directly to users.
The API is backed by enterprise-grade infrastructure with 24/7 technical support, and is accessible via Binance’s developer portal using an existing Binance account or connected wallet.
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