For example, if you are querying for your account data, as soon as you begin typing, Postman suggests next steps for you. It defines its own fields and, like all GraphQL types, includes the type of data it expects to return. For a safer option that offers all users access to something like the console, you can use an API testing/browsing application like Postman. In a schema, we define the Mutation type right alongside the Query type. One of the major benefits of using the Postman Nerdgraph API collection is that you get auto-complete support for your queries right away. The Mutation type is also a schema root type because we can use either read or write operations to interact with a GraphQL service. Let’s take a look at how the new Postman Nerdgraph API collection can help you in your work with New Relic. API collections in Postman come with benefits such as error detection in query formulation, auto-suggestions, the ability to define variables to use across requests, and more. An API collection in Postman is a group of saved requests and descriptions that are editable and customizable by the user. We’ll also go through the necessary steps to achieve the same thing when working with a remote GraphQL backend deployed with Slash GraphQL. It enables seamless collaboration and experimentation in a graphical interface that is friendly for both the newcomer and the veteran to API development. How to use Postman with your GraphQL API First, let’s see how we can start Dgraph locally and get the schema for your GraphQL server using a GraphQL query. Postman is a tool that helps you use and build with APIs. To get to see what GraphQL queries (or in this case, mutations) your Apollo client code is sending to the server, for cutting+pasting (and presumably parameterising) into your lambda code, this tool exists: Apollo GraphQL Dev Tools which now allows you to watch your mutations being executed. We’ve added a new resource for you to learn about queries with the new Nerdgraph API collection on Postman. In the bottom of the graphiql window, query variables can be entered as a JSON object. Use the new Nerdgraph API collection with Postman The Graphiql interface is one simple method for testing mutations. The New Relic NerdGraph documentation and the New Relic GraphQL explorer are excellent places to begin when learning how to use queries. You can now run your ASP.NET Core Web API and test your GraphQL API using tools like GraphQL Playground or Postman. While GraphQL can be a very powerful tool in working with your New Relic data, you may not know right away what to put in a query or how to structure one.
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