timespan1_1.json

{
     "title":"ParkAPI timespan specification version 1.1",
     "type":"object",
     "properties":{
         "version":{
             "description":"Version of the forecast specification.",
             "type":"string"
         },  
         "data":{
             "description":"Forecast and historic data.",
             "type":"array",
             "items":{
                 "description": "Timestamp value",
                 "type": "object",
                 "properties":{
                     "timestamp":{
                         "description": "ISO timestamp in UTC timezone",
                         "type":"string"
                     },  
                     "free":{
                         "description":"Free parking lots",
                         "type":"integer"
                     }   
                 }   
             }
         }
     },
     "required":["version", "data"]
 }