links: [[GraphQL MOC]] --- # WunderGraph Basics ## GraphQL Config for WunderGraph `.graphqlconfig` file contains list of projects (think of project for web, app, or different consumer like IOT). Each project contains stitched schema that can be used for consumption. You can specify endpoint url and other options like introspections, headers. ## Stitching Rest Data Source to WunderGraph You can configure [Rest Data Source](https://wundergraph.com/docs/reference/wundergraph_config_ts/configure_openapi_rest_datasource#content) using `introspect.openApi` from `@wundergraph/sdk` The `openApi` accepts *yaml* or *json* schema file. Once introspected, you can use Rest API as GraphQL. ## wundergraph.config.ts This file contains introspection to different end points and creating wundergraph application --- tags: #graphql #wundergraph