GraphQL is a query language for your API, and a server-side runtime for executing queries by using a type system you define for your data

this is sample how to integrating Graphql with laravel, for full documentation you can check here and Graphql

• Laravel 5.x
• barryvdh/laravel-cors
• rebing/graphql-laravel
• tymon/jwt-auth
• noh4ck/graphiql

1- Require the package via Composer in your composer.json.

{
  "require": {
    "barryvdh/laravel-cors": "^0.9.2",
    "rebing/graphql-laravel": "dev-master",
    "tymon/jwt-auth": "^0.5.11",
    "noh4ck/graphiql": "dev-master"
  },
  "repositories": [
      {
          "type": "vcs",
          "url": "https://github.com/ardani/laravel-graphiql"
      }
  ]
}

2- Run Composer to install or update the new requirement.

$ composer install

3- Create file .env and setting database in .env

4- Run artisan migrate and seeder

$ php artisan migrate
$ php artisan db:seed

5- Run application

 $ php artisan serve

GraphQL : http://127.0.0.1:8000/graphql/query

GraphQL Ui : http://127.0.0.1:8000/graphql-ui