Time Filter (Postcode Districts)

Find districts that have a certain coverage from origin and get statistics about postcodes within such districts. Currently only supports United Kingdom.

Request Body Json Attributes

  • departure_searches
    array[object]
    Searches based on departure time. Leave departure location at no earlier than given time. You can define a maximum of 10 searches
    • id
      string
      Used to identify this specific search in the results array. MUST be unique among all searches.
    • coords
      object
      • lat
        float
        Latitude
      • lng
        float
        Longitude
    • transportation
      object
      Transportation mode and related parameters. The default parameters are sensible and it is usually enough to only specify the type
      • type
        string
        cycling, driving, driving+train, public_transport, walking, coach, bus, train, ferry, driving+ferry or cycling+ferry
      • pt_change_delay
        integer | optional
        Time (in seconds) needed to board public transportation vehicle. Default is 0. Cannot be higher than travel_time. Used in public_transport, coach, bus, train and driving+train transportation modes
      • walking_time
        integer | optional
        Maximum time (in seconds) of walking from source to a station/stop and from station/stop to destination. Default value is 900. Cannot be higher than travel_time. Used in public_transport, coach, bus, train and driving+train transportation modes
      • driving_time_to_station
        integer | optional
        Maximum time (in seconds) of driving from source to train station. Default value is 1800. Cannot be higher than travel_time. Used in driving+train transportation mode
      • parking_time
        integer | optional
        Time (in seconds) required to park a car. Default is 300. Cannot be higher than travel_time. Used in driving+train transportation mode
      • boarding_time
        integer | optional
        Time (in seconds) required to board a ferry. Default is 0. Cannot be higher than travel_time. Used in public_transport, ferry, driving+ferry and cycling+ferry transportation modes. For public_transport mode, pt_change_delay is used instead
    • departure_time
      date in extended ISO-8601 format
      Leave departure location at no earlier than given time. Example - 2017-10-18T08:00:00Z
    • travel_time
      integer
      Travel time in seconds. Maximum value is 14400 (4 hours)
    • reachable_postcodes_threshold
      float
      A number between 0.0 and 1.0. For example, if 0.5 is used, only districts that have at least 50% postcodes that can be reached within the given travel_time will be included in the response. 0 will return districts that have at least a single reachable postcode
    • range
      object | optional
      Range search parameters. By default range search is disabled.
      Note: range search only works with public_transport, coach, bus, train and driving+train transportation modes. For other modes range search parameters are ignored
      • enabled
        boolean
        Enable range search?
      • max_results
        integer
        Maximum number of results to return. Limited to 5 results
      • width
        integer
        Search range width in seconds. width along with departure_time specify departure interval. For example, if you set departure_time to 9am and width to 1 hour, we will return results with lowest travel time that have departure time between 9am and 10am.
        If no results are found that fall within this interval, we will return single result that has the earliest departure time.
        Range width is limited to 12 hours
    • properties
      array[string]
      Properties to be returned about the districts. Possible values:
      • travel_time_reachable - travel time statistics calculated from reachable postcodes in the district
      • travel_time_all - travel time statistics calculated from all postcodes in the district
      • coverage - percentage of reachable postcodes in the district
  • arrival_searches
    array[object]
    Searches based on arrival time. Arrive at destination location at no later than given time. You can define a maximum of 10 searches
    • id
      string
      Used to identify this specific search in the results array. MUST be unique among all searches.
    • coords
      object
      • lat
        float
        Latitude
      • lng
        float
        Longitude
    • transportation
      object
      Transportation mode and related parameters. The default parameters are sensible and it is usually enough to only specify the type
      • type
        string
        cycling, driving, driving+train, public_transport, walking, coach, bus, train, ferry, driving+ferry or cycling+ferry
      • pt_change_delay
        integer | optional
        Time (in seconds) needed to board public transportation vehicle. Default is 0. Cannot be higher than travel_time. Used in public_transport, coach, bus, train and driving+train transportation modes
      • walking_time
        integer | optional
        Maximum time (in seconds) of walking from source to a station/stop and from station/stop to destination. Default value is 900. Cannot be higher than travel_time. Used in public_transport, coach, bus, train and driving+train transportation modes
      • driving_time_to_station
        integer | optional
        Maximum time (in seconds) of driving from source to train station. Default value is 1800. Cannot be higher than travel_time. Used in driving+train transportation mode
      • parking_time
        integer | optional
        Time (in seconds) required to park a car. Default is 300. Cannot be higher than travel_time. Used in driving+train transportation mode
      • boarding_time
        integer | optional
        Time (in seconds) required to board a ferry. Default is 0. Cannot be higher than travel_time. Used in public_transport, ferry, driving+ferry and cycling+ferry transportation modes. For public_transport mode, pt_change_delay is used instead
    • arrival_time
      date in extended ISO-8601 format
      Arrive at destination location at no later than given time. Example - 2017-10-18T08:00:00Z
    • travel_time
      integer
      Travel time in seconds. Maximum value is 14400 (4 hours)
    • reachable_postcodes_threshold
      float
      A number between 0.0 and 1.0. For example, if 0.5 is used, only districts that have at least 50% postcodes that can be reached within the given travel_time will be included in the response. 0 will return districts that have at least a single reachable postcode
    • range
      object | optional
      Range search parameters. By default range search is disabled.
      Note: range search only works with public_transport, coach, bus, train and driving+train transportation modes. For other modes range search parameters are ignored
      • enabled
        boolean
        Enable range search?
      • max_results
        integer
        Maximum number of results to return. Limited to 5 results
      • width
        integer
        Search range width in seconds. width along with arrival_time specify arrival interval. For example, if you set arrival_time to 9am and width to 1 hour, we will return results with lowest travel time that have arrival time between 8am and 9am.
        If no results are found that fall within this interval, we will return single result that has the latest arrival time.
        Range width is limited to 12 hours
    • properties
      array[string]
      Properties to be returned about the districts. Possible values:
      • travel_time_reachable - travel time statistics calculated from reachable postcodes in the district
      • travel_time_all - travel time statistics calculated from all postcodes in the district
      • coverage - percentage of reachable postcodes in the district

Response Body Json Attributes

  • results
    array[object]
    The results array which is sorted lexicographically by the id attribute
    • search_id
      string
    • districts
      array[object]
      • code
        string
      • properties
        object
        Only the properties included in the request are returned
        • travel_time_reachable
          object | optional
          Travel time statistics calculated from reachable postcodes in the district
          • min
            integer
          • max
            integer
          • mean
            integer
          • median
            integer
        • travel_time_all
          object | optional
          Travel time statistics calculated from all postcodes in the district
          • min
            integer
          • max
            integer
          • mean
            integer
          • median
            integer
        • coverage
          float | optional
          Percentage of reachable postcodes in the district. Value is from 0.0 to 100.0

Example Request

POST /v4/time-filter/postcode-districts HTTP/1.1
Host: api.traveltimeapp.com
Content-Type: application/json
Accept: application/json
X-Application-Id: ...
X-Api-Key: ...

{
  "departure_searches": [
    {
      "id": "public transport from Trafalgar Square",
      "coords": {
        "lat": 51.507609,
        "lng": -0.128315
      },
      "transportation": {
        "type": "public_transport"
      },
      "departure_time": "",
      "travel_time": 1800,
      "properties": ["coverage", "travel_time_reachable", "travel_time_all"],
      "reachable_postcodes_threshold": 0.1
    }
  ],
  "arrival_searches": [
    {
      "id": "public transport to Trafalgar Square",
      "coords": {
        "lat": 51.507609,
        "lng": -0.128315
      },
      "transportation": {
        "type": "public_transport"
      },
      "arrival_time": "",
      "travel_time": 1800,
      "properties": ["coverage", "travel_time_reachable", "travel_time_all"],
      "reachable_postcodes_threshold": 0.1
    }
  ]
}

Response Body

{
    "results": [
        {
            "search_id": "public transport from Trafalgar Square",
            "districts": [
                {
                    "code": "ec3a",
                    "properties": {
                        "travel_time_all": {
                            "min": 1479,
                            "max": 1796,
                            "mean": 1657,
                            "median": 1666
                        },
                        "travel_time_reachable": {
                            "min": 1479,
                            "max": 1796,
                            "mean": 1657,
                            "median": 1666
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "se16",
                    "properties": {
                        "travel_time_all": {
                            "min": 1216,
                            "max": 3563,
                            "mean": 2019,
                            "median": 1762
                        },
                        "travel_time_reachable": {
                            "min": 1216,
                            "max": 1797,
                            "mean": 1574,
                            "median": 1580
                        },
                        "coverage": 53.46534653465347
                    }
                },
                {
                    "code": "wc2a",
                    "properties": {
                        "travel_time_all": {
                            "min": 574,
                            "max": 1142,
                            "mean": 919,
                            "median": 905
                        },
                        "travel_time_reachable": {
                            "min": 574,
                            "max": 1142,
                            "mean": 919,
                            "median": 905
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "wc1x",
                    "properties": {
                        "travel_time_all": {
                            "min": 1036,
                            "max": 1796,
                            "mean": 1472,
                            "median": 1490
                        },
                        "travel_time_reachable": {
                            "min": 1036,
                            "max": 1796,
                            "mean": 1472,
                            "median": 1490
                        },
                        "coverage": 98.33795013850416
                    }
                },
                {
                    "code": "nw1",
                    "properties": {
                        "travel_time_all": {
                            "min": 1095,
                            "max": 2745,
                            "mean": 1753,
                            "median": 1619
                        },
                        "travel_time_reachable": {
                            "min": 1095,
                            "max": 1799,
                            "mean": 1513,
                            "median": 1517
                        },
                        "coverage": 65.95499134448931
                    }
                },
                {
                    "code": "sw1x",
                    "properties": {
                        "travel_time_all": {
                            "min": 1026,
                            "max": 1667,
                            "mean": 1356,
                            "median": 1352
                        },
                        "travel_time_reachable": {
                            "min": 1026,
                            "max": 1667,
                            "mean": 1356,
                            "median": 1352
                        },
                        "coverage": 98.60834990059642
                    }
                },
                {
                    "code": "e1w",
                    "properties": {
                        "travel_time_all": {
                            "min": 1541,
                            "max": 3595,
                            "mean": 2480,
                            "median": 2427
                        },
                        "travel_time_reachable": {
                            "min": 1541,
                            "max": 1796,
                            "mean": 1683,
                            "median": 1682
                        },
                        "coverage": 20.855614973262032
                    }
                },
                {
                    "code": "ec1v",
                    "properties": {
                        "travel_time_all": {
                            "min": 1492,
                            "max": 2704,
                            "mean": 2013,
                            "median": 2007
                        },
                        "travel_time_reachable": {
                            "min": 1492,
                            "max": 1797,
                            "mean": 1700,
                            "median": 1716
                        },
                        "coverage": 41.52823920265781
                    }
                },
                {
                    "code": "n5",
                    "properties": {
                        "travel_time_all": {
                            "min": 1400,
                            "max": 2805,
                            "mean": 2151,
                            "median": 2175
                        },
                        "travel_time_reachable": {
                            "min": 1400,
                            "max": 1796,
                            "mean": 1671,
                            "median": 1711
                        },
                        "coverage": 16.0676532769556
                    }
                },
                {
                    "code": "ec3v",
                    "properties": {
                        "travel_time_all": {
                            "min": 1197,
                            "max": 1501,
                            "mean": 1319,
                            "median": 1315
                        },
                        "travel_time_reachable": {
                            "min": 1197,
                            "max": 1501,
                            "mean": 1319,
                            "median": 1315
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "sw1y",
                    "properties": {
                        "travel_time_all": {
                            "min": 71,
                            "max": 682,
                            "mean": 435,
                            "median": 407
                        },
                        "travel_time_reachable": {
                            "min": 71,
                            "max": 682,
                            "mean": 435,
                            "median": 407
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1s",
                    "properties": {
                        "travel_time_all": {
                            "min": 445,
                            "max": 1071,
                            "mean": 779,
                            "median": 749
                        },
                        "travel_time_reachable": {
                            "min": 445,
                            "max": 1071,
                            "mean": 779,
                            "median": 749
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "ec4m",
                    "properties": {
                        "travel_time_all": {
                            "min": 852,
                            "max": 1209,
                            "mean": 1064,
                            "median": 1081
                        },
                        "travel_time_reachable": {
                            "min": 852,
                            "max": 1209,
                            "mean": 1064,
                            "median": 1081
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "ec2m",
                    "properties": {
                        "travel_time_all": {
                            "min": 1540,
                            "max": 2286,
                            "mean": 1684,
                            "median": 1655
                        },
                        "travel_time_reachable": {
                            "min": 1540,
                            "max": 1791,
                            "mean": 1655,
                            "median": 1653
                        },
                        "coverage": 94.51476793248945
                    }
                },
                {
                    "code": "e1",
                    "properties": {
                        "travel_time_all": {
                            "min": 1537,
                            "max": 3595,
                            "mean": 2412,
                            "median": 2445
                        },
                        "travel_time_reachable": {
                            "min": 1537,
                            "max": 1799,
                            "mean": 1732,
                            "median": 1741
                        },
                        "coverage": 13.098086124401915
                    }
                },
                {
                    "code": "sw7",
                    "properties": {
                        "travel_time_all": {
                            "min": 1348,
                            "max": 2713,
                            "mean": 1810,
                            "median": 1693
                        },
                        "travel_time_reachable": {
                            "min": 1348,
                            "max": 1798,
                            "mean": 1634,
                            "median": 1646
                        },
                        "coverage": 71.46702557200538
                    }
                },
                {
                    "code": "w1p",
                    "properties": {
                        "travel_time_all": {
                            "min": 765,
                            "max": 1333,
                            "mean": 1122,
                            "median": 1135
                        },
                        "travel_time_reachable": {
                            "min": 765,
                            "max": 1333,
                            "mean": 1122,
                            "median": 1135
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w2",
                    "properties": {
                        "travel_time_all": {
                            "min": 1136,
                            "max": 2829,
                            "mean": 1886,
                            "median": 1750
                        },
                        "travel_time_reachable": {
                            "min": 1136,
                            "max": 1797,
                            "mean": 1587,
                            "median": 1607
                        },
                        "coverage": 53.819139596136964
                    }
                },
                {
                    "code": "wc2r",
                    "properties": {
                        "travel_time_all": {
                            "min": 131,
                            "max": 816,
                            "mean": 550,
                            "median": 562
                        },
                        "travel_time_reachable": {
                            "min": 131,
                            "max": 816,
                            "mean": 550,
                            "median": 562
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "wc99",
                    "properties": {
                        "travel_time_all": {
                            "min": 471,
                            "max": 471,
                            "mean": 471,
                            "median": 471
                        },
                        "travel_time_reachable": {
                            "min": 471,
                            "max": 471,
                            "mean": 471,
                            "median": 471
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1v",
                    "properties": {
                        "travel_time_all": {
                            "min": 480,
                            "max": 1111,
                            "mean": 695,
                            "median": 660
                        },
                        "travel_time_reachable": {
                            "min": 480,
                            "max": 1111,
                            "mean": 695,
                            "median": 660
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "wc2e",
                    "properties": {
                        "travel_time_all": {
                            "min": 351,
                            "max": 817,
                            "mean": 540,
                            "median": 531
                        },
                        "travel_time_reachable": {
                            "min": 351,
                            "max": 817,
                            "mean": 540,
                            "median": 531
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "wc1n",
                    "properties": {
                        "travel_time_all": {
                            "min": 932,
                            "max": 1617,
                            "mean": 1306,
                            "median": 1302
                        },
                        "travel_time_reachable": {
                            "min": 932,
                            "max": 1617,
                            "mean": 1306,
                            "median": 1302
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "sw3",
                    "properties": {
                        "travel_time_all": {
                            "min": 1195,
                            "max": 2832,
                            "mean": 1919,
                            "median": 1791
                        },
                        "travel_time_reachable": {
                            "min": 1195,
                            "max": 1799,
                            "mean": 1622,
                            "median": 1641
                        },
                        "coverage": 50.58949624866024
                    }
                },
                {
                    "code": "sw4",
                    "properties": {
                        "travel_time_all": {
                            "min": 1343,
                            "max": 2901,
                            "mean": 2037,
                            "median": 2012
                        },
                        "travel_time_reachable": {
                            "min": 1343,
                            "max": 1797,
                            "mean": 1662,
                            "median": 1673
                        },
                        "coverage": 41.012909632572
                    }
                },
                {
                    "code": "wc2h",
                    "properties": {
                        "travel_time_all": {
                            "min": 191,
                            "max": 915,
                            "mean": 591,
                            "median": 624
                        },
                        "travel_time_reachable": {
                            "min": 191,
                            "max": 915,
                            "mean": 591,
                            "median": 624
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "n1",
                    "properties": {
                        "travel_time_all": {
                            "min": 1280,
                            "max": 3146,
                            "mean": 2223,
                            "median": 2304
                        },
                        "travel_time_reachable": {
                            "min": 1280,
                            "max": 1798,
                            "mean": 1641,
                            "median": 1680
                        },
                        "coverage": 17.88135593220339
                    }
                },
                {
                    "code": "sw1h",
                    "properties": {
                        "travel_time_all": {
                            "min": 622,
                            "max": 1099,
                            "mean": 852,
                            "median": 842
                        },
                        "travel_time_reachable": {
                            "min": 622,
                            "max": 1099,
                            "mean": 852,
                            "median": 842
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1j",
                    "properties": {
                        "travel_time_all": {
                            "min": 393,
                            "max": 1222,
                            "mean": 908,
                            "median": 951
                        },
                        "travel_time_reachable": {
                            "min": 393,
                            "max": 1222,
                            "mean": 908,
                            "median": 951
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "se1p",
                    "properties": {
                        "travel_time_all": {
                            "min": 1521,
                            "max": 1521,
                            "mean": 1521,
                            "median": 1521
                        },
                        "travel_time_reachable": {
                            "min": 1521,
                            "max": 1521,
                            "mean": 1521,
                            "median": 1521
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1c",
                    "properties": {
                        "travel_time_all": {
                            "min": 747,
                            "max": 1171,
                            "mean": 941,
                            "median": 948
                        },
                        "travel_time_reachable": {
                            "min": 747,
                            "max": 1171,
                            "mean": 941,
                            "median": 948
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1w",
                    "properties": {
                        "travel_time_all": {
                            "min": 789,
                            "max": 1246,
                            "mean": 1032,
                            "median": 1042
                        },
                        "travel_time_reachable": {
                            "min": 789,
                            "max": 1246,
                            "mean": 1032,
                            "median": 1042
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w9",
                    "properties": {
                        "travel_time_all": {
                            "min": 1566,
                            "max": 2703,
                            "mean": 2111,
                            "median": 2170
                        },
                        "travel_time_reachable": {
                            "min": 1566,
                            "max": 1795,
                            "mean": 1710,
                            "median": 1711
                        },
                        "coverage": 22.822299651567945
                    }
                },
                {
                    "code": "w1t",
                    "properties": {
                        "travel_time_all": {
                            "min": 740,
                            "max": 1337,
                            "mean": 1106,
                            "median": 1115
                        },
                        "travel_time_reachable": {
                            "min": 740,
                            "max": 1337,
                            "mean": 1106,
                            "median": 1115
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "wc1e",
                    "properties": {
                        "travel_time_all": {
                            "min": 906,
                            "max": 1420,
                            "mean": 1123,
                            "median": 1119
                        },
                        "travel_time_reachable": {
                            "min": 906,
                            "max": 1420,
                            "mean": 1123,
                            "median": 1119
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "w1b",
                    "properties": {
                        "travel_time_all": {
                            "min": 429,
                            "max": 1206,
                            "mean": 689,
                            "median": 657
                        },
                        "travel_time_reachable": {
                            "min": 429,
                            "max": 1206,
                            "mean": 689,
                            "median": 657
                        },
                        "coverage": 100
                    }
                },
                {
                    "code": "nw5",
                    "properties": {
                        "travel_time_all": {
                            "min": 1523,
                            "max": 2773,
                            "mean": 2216,
                            "median": 2280
                        },
                        "travel_time_reachable": {
                            "min": 1523,
                            "max": 1798,
                            "mean": 1714,
                            "median": 1718
                        },
                        "coverage": 18.508655126498002
                    }
                },
                {
                    "code": "sw99",
                    "properties": {
                        "travel_time_all": {
                            "min": 1692,
                            "max": 1692,
                            "mean": 1692,
                            "median": 1692
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