Magento_GraphQl module
This module provides the framework for the application to expose GraphQL compliant web services. It exposes an area for GraphQL services and resolves request data based on the generated schema. It also maps this response to a JSON object for the client to read.
Installation
The Magento_GraphQl module is one of the base Magento 2 modules. You cannot disable or uninstall this module.
This module is dependent on the following modules:
Magento_Authorization
Magento_Eav
The following modules depend on this module:
Magento_BundleGraphQl
Magento_CatalogGraphQl
Magento_CmsGraphQl
Magento_CompareListGraphQl
Magento_ConfigurableProductGraphQl
Magento_DownloadableGraphQl
Magento_EavGraphQl
Magento_GraphQlCache
Magento_GroupedProductGraphQl
Magento_ReviewGraphQl
Magento_StoreGraphQl
For information about a module installation in Magento 2, see Enable or disable modules.
Extensibility
Extension developers can interact with the Magento_GraphQl module. For more information about the Magento extension mechanism, see Magento plugins.
The Magento dependency injection mechanism enables you to override the functionality of the Magento_GraphQl module.
Additional information
You can get more information about GraphQl In Magento 2.