…401 status code. Let's assert that! $this->assertResponseStatusCodeSame(401). That assertion is not part of PHPUnit: we get that - and a bunch of other nice assertions - from API Platform's test classes. Let's try this! Run the test: php bin/phpunit Oh, interesting…

…an API, you can absolutely do that with Symfony. In fact, it's a fantastic option in part, because of API Platform. That's a framework for creating APIs built on top of Symfony that both makes building your API fast and creates an API…

…adds complexity to your setup, it also hurts performance. Kévin Dunglas - the lead developer of API Platform - has a blog post about this. He even shows a strategy where your frontend and backend can live in totally different directories or repositories, but still live on…

…profiler to see a list of the most recent request. Here's the one for /api/cheese_listings. Click the token to jump into its profiler. Oh, and API Platform adds its own profiler panel, which is a nice way to see which resource this…

…we're crushing it! And now we get to the really interesting part. We need to "relate" our two resources so that each treasure is owned by a user. What does that look like in API Platform? It's super interesting, and it's next.

…other words, when we refresh the endpoint, it works! We're not going to talk too much about how the Symfony serializer works - we talk a lot about it in our API Platform tutorials. But let's at least get some basics. By default, the…

…but with special keys - like @context - that have a specific meaning. Understanding JSON-LD is an important part of leveraging API Platform - and we'll talk more about it soon. Anyways, to make things more interesting - go back to the POST endpoint and create a…

…want you to notice is that, so far, the primary key is always being used as the "id" in our API. This is something that's flexible in API Platform. In fact, instead of using an auto-increment id, one option is to use a…

…you're an API Platform geek and want to see how that was implemented. In a real app, I would store carts in the database. So from a JavaScript perspective, the important thing is that we have a traditional set of API endpoints for our…

…the same API. Why do we have both? Hydra is a bit more powerful: there are certain things it can describe that OpenAPI can't. But OpenAPI is a lot more common and has more tools built on top of it. API platform provides both…

…groups are configured in API Platform. So how did the serializer know to use those? The answer to that, as best I can tell, is that it's working... partially by accident. During serialization, API Platform sees that we're serializing an "API resource" and…

…a JsonResponse! If you're building a serious API, Symfony has a serializer component that's really good at turning objects into JSON... and then JSON back into objects. We talk a lot about it in our API Platform tutorial, which is a powerful library…

…an array, but it means that you could start passing objects to $this->json(). If you want to learn more - or want to build a super-rich API - check out our tutorial about API Platform: an amazing Symfony bundle for building APIs. Next, let's…

…in some cases, having an OpenAPI specification will be useful - like to use Swagger - and other times, the JSON-LD Hydra document will be useful. With API Platform, you get both. Phew! Ok, enough theory! Let's get back to building and customizing our API.

…do we tell API Platform to use the uuid property as the "identifier"? It's actually pretty simple! And we talked about it before. Go to the top of User. Every API Resource needs an identifier. And when you use Doctrine, API Platform assumes that…

…That... sounds like two ways of saying the same thing! The topic of PUT versus PATCH in APIs can get spicy. But in API Platform, at least today, PUT and PATCH work the same: they're both used to update a resource. And we'll…

…json. Setting this header is easy to do in JavaScript, and if you don't set it, JSON-LD is the default format. API Platform uses three formats out of the box. You can see them down here on the bottom of the docs page…

…re going to dive even deeper in this tutorial. Nestled within the "Upgrade Guide" of API Platform's docs lives one of my favorite sections on this very topic. Each API resource class - whether it's an entity or a normal class - will have a…

…one: jsonhal. This is one of the other formats that API Platform supports out-of-the box. Below, add mime_types: then the standard content type for this format: application/hal+json. Cool! And just like that... our entire API supports a new format! Refresh…

The key behind how API platform turns our objects into JSON... and also how it transforms JSON back into objects is Symfony's Serializer. symfony/serializer is a standalone component that you can use outside of API platform and it's awesome. You give it…