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Travel Time Matrix API
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/v4/time-filter/postcodes

Travel Time Matrix (Postcodes)
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Find postcodes that have a certain coverage from origin (or to destination) and get statistics about such postcodes. Currently only supports United Kingdom.

Request Body
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array[object]

Searches based on departure time. Leave departure location at no earlier than given time. You can define a maximum of 10 searches.

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You will have to reference this id in your searches. It will also be used in the response body. Must be unique among all locations.

The coordinates of the locations.

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Maximum journey time (in seconds).
Maximum value is 14400 (4 hours) as standard. To discuss increasing this, please contact hello@traveltime.com.

date in extended ISO-8601 format

Leave departure location at no earlier than given time. In ISO 8601 format. For example:
2026-03-06T11:00:00Z (representing UTC)
2026-03-06T11:00:00-05:00 (representing New York on Standard Time: UTC-05:00)

Transportation mode and related parameters. The default parameters are sensible and it is usually enough to only specify the type.

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Properties to be returned about the postcodes. Possible values: travel_time, distance

object | optional

When enabled, range adds a departure window to the departure time, and results are returned for any journeys that depart during this window.
In the results array, the properties of these multiple alternative results are sorted by travel_time in ascending order.
Disabled by default.
Used in public_transport, coach, bus, train, driving+train, driving+public_transport and cycling+public_transport transportation modes. For other modes range search parameters are ignored.

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object | optional

Adjusts the process of looking up the nearest roads from the departure / arrival points.

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array[object]

Searches based on departure time. Leave departure location at no earlier than given time. You can define a maximum of 10 searches.

Show child attributes

Response Body
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array[object]

The results array which is sorted lexicographically by the id attribute.

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array[object]
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Response

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