GraphQL Query Builder

Build GraphQL queries, mutations, and subscriptions visually. Add fields, arguments, variables, nested types, and fragments.

Last reviewed: April 2026
Reviewed by , software engineer Β· last updated April 2026

New to this tool? Click here for instructions

Operation

Variables

Root Selection

Fragments

Generated GraphQL
Add fields and click outside or change any input to update the query.

How to Use the GraphQL Query Builder

The GraphQL Query Builder is a free online tool that allows you to build GraphQL queries, mutations, and subscriptions visually. To use it, follow these steps:

1. Choose an operation type: Query (read), Mutation (write), or Subscription (real-time).

2. Name your operation. Named operations are required for persisted queries and easier debugging.

3. Define variables if needed. Use variables instead of inline literal values for user-supplied inputs.

4. Add fields to your query. Use the nested option to add sub-selection sets for object types.

5. Add arguments to any field, referencing your variables with $varName.

6. Copy the output and paste it into Apollo Client, urql, Postman, GraphiQL, or any GraphQL endpoint.

When to Use the Tool in Real Workflows

The GraphQL Query Builder is ideal for developers working with GraphQL APIs. It is particularly useful when you need to quickly build and test queries without writing raw GraphQL code. This tool is especially helpful for teams that are new to GraphQL or for those who prefer a visual approach to building queries.

How It Works

The GraphQL Query Builder works by allowing you to visually construct your queries, mutations, and subscriptions. You can choose the operation type, name your operation, define variables, add fields, and specify arguments. The tool then generates the corresponding GraphQL code for you. This saves time and reduces the likelihood of errors compared to manually writing GraphQL code.

Tips, Edge Cases, or Limitations

Here are a few tips and considerations when using the GraphQL Query Builder:

1. Always use variables for user-supplied inputs to prevent injection attacks and enable automatic query caching.

2. Fragments can help you avoid DRY (Don't Repeat Yourself) code by defining reusable sets of fields.

3. Be aware of the N+1 problem in GraphQL. This occurs when a query fetches related data for each item in a list, leading to multiple requests. Use batching or pagination to optimize performance.

4. Familiarize yourself with GraphQL's strong type system to ensure type safety in your queries and mutations.

Frequently Asked Questions

GraphQL is a query language for APIs and a runtime for executing those queries by using a type system you define for your data. GraphQL provides a more efficient, powerful, and flexible alternative to REST.
A Query is used to fetch data from the server. A Mutation is used to create, update, or delete data on the server. A Subscription is used to receive real-time updates from the server.
GraphQL variables allow you to parameterize your queries and mutations. They are passed as a separate JSON object outside the query string, preventing injection attacks and enabling automatic query caching.
GraphQL fragments allow you to define reusable sets of fields that can be included in multiple queries. This helps avoid DRY code and improves colocation, making component data requirements encapsulated with the component itself.
No, this tool is a visual builder and does not execute GraphQL queries. It generates the code for you, which you can then execute in your preferred GraphQL client or endpoint.

Quick reference

GraphQL Query Builder Quick Reference
Field Type Comparison Value
id Int equals 123
username String equals john_doe
status String in "active", "pending"
createdAt DateTime gte "2023-01-01T00:00:00"
email String contains "example.com"
isVerified Boolean equals true