anchor.diff:  - created
   - updated
   
  +## GET /api/billing-plans
  +
  ++ Request
  +
  +    + Headers
  +
  +            Accept: application/hal+json
  +
  ++ Response 200 (application/hal+json)
  +
  +    + Headers
  +
  +            Link: <https://helpful.io/api/billing-plans>;rel="self"
  +
  +    + Body
  +
  +            {
  +                "items": [
  +                    {
  +                        "id": "d54d1c5a-9727-46ad-91f4-aee18202ca0a",
  +                        "type": "billing_plan",
  +                        "name": "Bronze",
  +                        "slug": "bronze",
  +                        "max_conversations": 25,
  +                        "price": 3900,
  +                        "created": "2013-12-30 13:44:37 -0500",
  +                        "updated": "2013-12-30 13:44:37 -0500",
  +                        "_links": {
  +                            "self": {
  +                                "href": "https://helpful.io/api/billing-plans/d54d1c5a-9727-46ad-91f4-aee18202ca0a"
  +                            }
  +                        }
  +                    }
  +                ],
  +                "count": 1,
  +                "_links": {
  +                    "self": {
  +                        "href": "https://helpful.io/api/billing-plans"
  +                    }
  +                }
  +            }
  +
  +## GET /api/billing-plans/{id}
  +
  ++ Parameters
  +    + id (required UUID `d54d1c5a-9727-46ad-91f4-aee18202ca0a`)
  +
  ++ Request
  +
  +    + Headers
  +
  +            Accept: application/hal+json
  +
  ++ Response 200 (application/hal+json)
  +
  +    + Headers
  +
  +            Link: <https://helpful.io/api/billing-plans/d54d1c5a-9727-46ad-91f4-aee18202ca0a>;rel="self"
  +
  +    + Body
  +
  +            {
  +                "id": "d54d1c5a-9727-46ad-91f4-aee18202ca0a",
  +                "type": "billing_plan",
  +                "name": "Bronze",
  +                "slug": "bronze",
  +                "max_conversations": 25,
  +                "price": 3900,
  +                "created": "2013-12-30 13:44:37 -0500",
  +                "updated": "2013-12-30 13:44:37 -0500",
  +                "_links": {
  +                    "self": {
  +                        "href": "https://helpful.io/api/billing-plans/d54d1c5a-9727-46ad-91f4-aee18202ca0a"
  +                    }
  +                }
  +            }
  +
  
positive.code: - created
  - updated
  
  ## Billing Plan [/billing-plans/{id}]
  
  - id
  - name
  
negative.code: 
  # Helpful API
  
  ## Versioning
  
  TODO
  
  ## Schema
  
  TODO
  
  ## Parameters
  
  TODO
  
  ## Client Errors
  
  TODO
  
  ## HTTP Redirects
  
  TODO
  
  ## HTTP Verbs
  
  TODO
  
  ## Authentication
  
  