This topic describes the terms that are related to the data service feature of Data Management (DMS).
|API Gateway||API Gateway provides a complete suite of API hosting services. It helps you use APIs to provide capabilities, services, and data for your partners. You can also publish APIs to Alibaba Cloud Marketplace for other developers to purchase and use. For more information, see the API Gateway documentation.|
|API group||An API group in DMS is similar to that in API Gateway. An API group is a collection of APIs that are defined for specific purposes. For example, an API group for commodity transactions includes only APIs that are related to commodity transactions. API Gateway provides different domain names for different API groups.|
|API publishing||Publish APIs to API Gateway. Only published APIs can be called in applications by using SDKs.|
|SDK||An SDK contains relevant sample code, dependent libraries, and API documentation that are needed to call API operations.|
|Alibaba Cloud API Marketplace||Alibaba Cloud API Marketplace is a comprehensive marketplace where APIs are traded. It provides you with a channel to sell APIs. For more information, see the "Scenarios" section of the Overview topic. Thousands of APIs are available for sale in Alibaba Cloud API Marketplace.|