Blog / GraphQL / Building a GraphQL API: User Guide
Building a GraphQL API: User Guide

Building a GraphQL API: User Guide

Olivia Kim

Setting Up Your GraphQL Server

Install Apollo Server with `npm install apollo-server`. This section guides you through creating your first schema.

Setting Up Your GraphQL Server

Defining Your Schema

Write your first type definitions (e.g., `type User`). Learn how to structure queries and mutations.

Defining Your Schema

Creating Resolvers

Implement resolvers to fetch data. Follow this example to connect your schema to a database.

Creating Resolvers

Testing Your API

Use GraphiQL or Postman to test queries. This section shows you how to verify your API works as expected.

Testing Your API

Handling Errors

Set up error responses for failed queries. Learn to return user-friendly messages and log issues.

Handling Errors