Binance upgraded its spot API yesterday, adding UTF-8 Unicode support for trading pair parameters.
TL;DR
Binance upgraded its spot API to support UTF-8 Unicode for trading pair parameters, with phased rollout over two weeks. The update includes FIX API messages and follows a testnet deployment.
Tags
According to Foresight News , Binance released a new API update on December 2nd, based on its spot update log. Key changes include: the parameters `symbol` and `symbols` now support UTF-8 encoded Unicode values, and the FIX API messages also support UTF-8 encoded Unicode, applicable to seven specified tags including `Currency` and `Symbol`. The update will be rolled out in phases, with full deployment expected within two weeks.
According to a previous report by Foresight News , Binance's SPOT testnet deployed a system update on December 1, 2025 at 10:00 AM, with parameters supporting UTF-8 encoding.