API documentation is a critical aspect of any web development project. It helps developers understand how to interact with your APIs and is a fundamental resource for clients. In this blog post, we'll explore how to set up Swagger in a Laravel application, create multiple documents for better organization, secure your APIs with Laravel Passport, and enhance your API documentation.


Before we dive into the process, here are the prerequisites for this tutorial:

  • A Laravel project set up and ready to go.
  • Basic knowledge of Laravel and PHP.

Setting Up Laravel Project:

Let's start by creating a new Laravel project or using an existing one. If you don't have Laravel installed, you can follow the official Laravel documentation to get started.

Integrating Swagger in Laravel:

We'll be using the popular "darkaonline/l5-swagger" package for integrating Swagger with Laravel. To get started, run the following commands:

composer require darkaonline/l5-swagger

php artisan vendor:publish --provider "L5Swagger\L5SwaggerServiceProvider"

Generating API Documentation:

After integrating Swagger, run the following command to generate API documentation for your Laravel routes:

php artisan l5-swagger:generate

This command will create a "swagger.json" file, which contains the API documentation.

Creating Multiple Documents:

Now, let's set up multiple documents to separate different sections of your API. For instance, you might want to create separate documents for user-related APIs and product-related APIs. To do this, you can configure the l5-swagger.php configuration file.

'separate_documentation' => [

'user' => 'path/to/user-api-docs', 'product' => 'path/to/product-api-docs', ],

Defining API Routes:

Define your API routes in the "routes/api.php" file. You can create endpoints for various functionalities of your application.

Route::group(['middleware' => 'auth:api'], function () { // Your API routes go here });

Passport Security:

To secure your APIs, we'll use Laravel Passport. You can install it using the following command:

composer require laravel/passport

Adding Authentication to Swagger:

To secure your Swagger documentation with Passport, you'll need to add authentication. The L5SwaggerServiceProvider allows you to specify middleware for Swagger routes. You can add the auth:api middleware to restrict access to authenticated users.

'routes' => [ 'api' => [ 'as' => 'l5-swagger.api', 'middleware' => ['auth:api'], ], ],

 * @OA\Get(
 *     path="/api/user",
 *     @OA\Response(response="200", description="Get user information"),
 *     security={{"passport": {"Bearer Token": {}}}}
 * )

Writing Setting Up Swagger in Laravel: Multiple Documents, Routes, and API Documentation, Custom Headers in Swagger:

Writing clear and concise API documentation is crucial. Use annotations like @OA (OpenAPI) to document your API endpoints. Include descriptions, response examples, and any necessary information for developers and clients to understand your APIs.


In this blog post, we've covered the essentials of setting up Swagger in Laravel, creating multiple documents, securing your APIs with Laravel Passport, and enhancing your API documentation. Clear and comprehensive API documentation is essential for efficient communication between developers and clients. As you continue to improve your API documentation, your projects will become more accessible and user-friendly.

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