Major change in Binance Spot API request weight is scheduled for March 10.
In Brief
The cryptocurrency platform Binance has confirmed that it will soon update the request weight thresholds for certain REST and WebSocket API endpoints associated with the Spot API, with this change going live on March 10.

Cryptocurrency exchange Binance There will be an important update concerning the request weight limits for particular REST and WebSocket endpoints on the Binance Spot API, which will become effective on March 10, 2025, at 12:00 (UTC).
According to the published update, the endpoints impacted include the REST API located at `api/v3/aggTrades` and the WebSocket API at `trades.aggregate`. Presently, the request weight for these endpoints is set to 2, but it will increase to 4 following the update. The term 'request weight' describes the computational load associated with an API call, so users should take these changes into account when planning their API strategies.
To receive real-time aggregated trade information without frequently polling the API, users can take advantage of the `<symbol>@aggTrade` WebSocket Stream. It is important to input the `<symbol>` parameter in lowercase (for example, `btcusdt@aggTrade`) to ensure that it functions correctly.
This update will not have any impact on trading performance. If there are any conflicting interpretations between the translations of this announcement and the original English version, the English version will be regarded as the most trustworthy source.
Binance Spot API: What Is It?
The Binance Spot API comprises a suite of programming interfaces aimed at facilitating developers in seamlessly interacting with Binance's Spot Trading platform. Through the integration of these APIs, users can automate their trading strategies, access up-to-date market insights, manage their accounts, and execute trades programmatically, thereby removing the necessity for manual intervention.
This API is designed to enhance trading effectiveness by offering a variety of functionalities. It features market data endpoints that allow users to obtain both real-time and past transaction records, including updates on prices, depth of order books, recent trades, and candlestick statistics. Additionally, it supports account administration, enabling users to place, monitor, and handle orders as well as manage asset withdrawals efficiently. trading execution For traders involved in margin trading, the API includes specific endpoints that facilitate the borrowing and repaying of assets, empowering traders to leverage their positions. Moreover, real-time user data streams are accessible via WebSocket connections, delivering immediate updates about account activities and trades executed.
Designed to accommodate developers working in various programming languages, including Python, Java, Node.js, .NET, and Ruby, the Binance API provides flexibility and ease of use.
In addition to Spot trading capabilities, Binance's API extends to include Margin, Futures, and Options trading, offering users access to over 300 cryptocurrency and fiat trading pairs. Binance also provides a dedicated testing environment, in-depth API documentation, and example code across several programming languages to ensure that developers have the necessary tools for a smooth integration process.
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In line with the Trust Project guidelines Alisa, a passionate journalist at Cryptocurrencylistings, focuses on cryptocurrency topics, zero-knowledge proofs, investments, and the broad landscape of Web3. With a strong attention to emerging trends and tech advancements, she provides in-depth coverage that both informs and captivates readers navigating the fast-changing world of digital finance.