You can send POST / GET / PUT / DELETE queries (you need to add “Content-Type: application / json in the header of your queries)
http://localhost:3000/arcticles/
http://localhost:3000/arcticles/1
| GET | /posts | 
| GET | /posts/1 | 
| GET | /posts/1/comments | 
| GET | /comments?postId=1 | 
| POST | /posts | 
| PUT | /posts/1 | 
| PATCH | /posts/1 | 
| DELETE | /posts/1 |