TL;DR:
- Binance launched a Web3 API that allows developers to access on-chain and market data from a single integration.
- The API supports multiple EVM networks such as Ethereum, BNB Smart Chain, Arbitrum and Polygon, as well as Solana, with additional chains planned.
- The tool includes MEV protection, a non-custodial model and zero service fees for a limited time.
Binance Wallet introduced a Web3 API designed to allow developers, institutions and advanced traders to programmatically access on-chain transaction data and market data through a single integration. The launch will expand the platform’s role: from a wallet for end users to infrastructure for building Web3 applications.
The API is structured around two main components. The first is a Market Data API that delivers real-time token prices, candlestick (K-line) data and the top assets with the greatest variation across supported chains. The second is a Trading API that aggregates swap quotes from multiple providers, executes token swaps and broadcasts on-chain transactions with built-in protection against MEV, though Binance clarifies that such protection cannot be guaranteed under all market conditions.
Introducing #Binance Wallet Web3 API, enabling developers, institutions, and advanced traders to access on-chain trading and market data through a single integration.
Access:
📊 Free real-time market data
🔄 Competitive aggregated swap quotes
⛓️ Multi-chain support (EVM &… pic.twitter.com/fAPmso0nHr— Binance Wallet (@BinanceWallet) June 17, 2026
Binance: Unification, Self-Custody and Multichain Support
One of the central points of the launch is the ability to combine transaction data and market data in a single call. This eliminates the need for a developer to combine independent services to obtain, on one hand, the on-chain movement history and, on the other, the current valuations of assets. Tools such as portfolio trackers, trading bots, tax reporting platforms and DeFi dashboards require synchronized access to both layers of information.
The API supports multiple EVM networks —including Ethereum, BNB Smart Chain, Arbitrum, Polygon, Base, Optimism and Linea— as well as Solana, with support for additional chains to be added soon. The model is non-custodial: Binance Wallet does not access or retain users’ private keys, as the API returns unsigned transactions that the user completes locally.
For a limited time, the tool applies no service fees or positive slippage charges, returning any price improvement to the user. The infrastructure features technical support available 24 hours a day.
The launch explicitly targets DApp builders, developers looking to expand existing platforms toward on-chain trading and developers of artificial intelligence agents that integrate wallet operations into autonomous workflows. In a market where services such as Alchemy, Moralis and QuickNode are already well established, Binance’s depth of native market data could represent a structural differentiator.
