Travel Time Matrix (Postcode Districts)

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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.

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)

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

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

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

Properties returned about the districts.

• 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

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.

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