> For the complete documentation index, see [llms.txt](https://guide-api-rest.marmicode.fr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide-api-rest.marmicode.fr/api-rest/h.a.t.e.o.a.s.-et-resource-linking.md).

# H.A.T.E.O.A.S. & Resource Linking

Le "level 3" du modèle de maturité de Richardson *(ou Web Service Maturity Heuristic)* est souvent représenté par l’acronyme **H.A.T.E.O.A.S.** : **Hypermedia As The Engine Of Application State**.

```javascript
{
  "_links": {
    "self": {"href": "https://www.wishtack.com/posts/22222"},
    "blog": {"href": "https://www.wishtack.com/blogs/11111"},
    "comments": {"href": "https://www.wishtack.com/posts/22222/comments"}
  },
  "title": "H.A.T.E.O.A.S & Resource Linking"
  ...
}
```

### Affordances

{% embed url="<https://youtu.be/NK1Zb_5VxuM>" %}
Affordance
{% endembed %}