If you'd like to request access to MSU Open API, please submit the form on the API Access Application page.
MSU Open API
API Version
MSU Open API provides access to both on-chain and off-chain data from the MapleStory Universe, enabling developers to build tools, integrations, and synergy applications that enrich the ecosystem.
By offering structured and developer-friendly access to game-related data, MSU Open API empowers creators to extend the in-game experience and build new services that contribute to a more dynamic and engaging community.
To ensure stable service operation, the number of API calls per API key is limited as follows
Maximum 10 requests per second
Maximum 30,000 requests per day
The latest MSU Open API version appears at the top of the API Version dropdown. We recommend building with the newest version.