description: Inserts article data via GraphQL mutation url: /v1alpha1/graphql status: 200 query: query: | mutation insert_article { insert_article ( objects: [ { title: "Article 1", content: "Sample article content", author_id: 1 }, { title: "Article 2", content: "Sample article content", author_id: 1 }, { title: "Article 3", content: "Sample article content", author_id: 2 } ] ) { returning { id title content } } }