api.sh

#listing all Option objects
GET /options/

#listing all Service objects
GET /services/

#adding a new Option object
POST /options/

#adding a new Service object
POST /services/

#retrieving a specific Option object
GET /options/1/ returns :
{
  "url": "/options/1/",
  "id": 1,
  "name": "Option1",
  "services": [
    "/options/1/services/1/",
    "/options/1/services/2/"
  ]
}

#retrieving a specific Service object
GET /services/1/ returns :
{
  "url": "/services/1/",
  "id": 1,
  "name": "Service1"
}

#retrieving a specific OptionService relation:
GET /options/1/services/1/ returns :
{
  "service": "/services/1/",
  "price": "50.0"
}

#add a relation between pre-existing Option and Service object, thus creating a new OptionService object:
POST /options/2/services/1/
{
  "price": "19.90"
}