Traffic TPEG API Developer's Guide

Send a getmessages request

All getmessages request parameters are passed in the POST request XML body, which must conform to the getmessages request XSD.

Note: All getmessages requests are encrypted and decrypted as described in Get started.

Common request parameters are listed in the following table:

Table 1. Request parameters
Parameter	Description
`locations`	Occurs once as a child of `get-messages`.
`loc`	Occurs at least once. @lat: Latitude as five digit precision floating point. @lon: Longitude as five digit precision floating point.
Authorization	Using `app_id` and `app_code`: `app_id={YOUR_APP_ID}&app_code={YOUR_APP_CODE}` Using `apiKey`: `apiKey={apiKey}` For instructions on how to use `token` authorization, see https://developer.here.com/documentation/authentication/dev_guide/topics/token.html. Note: The base URL for token authorization is https://tpeg.traffic.ls.hereapi.com

Example request body

All getmessages requests must be preceded by an initsession request and must be encrypted as described in Get started.


<?xml version="1.0" encoding="UTF-8" ?>
<get-messages>
  <locations>
    <loc lat="52.55121" lon="13.16565"/>    
  </locations>
</get-messages>

All getmessages responses are in the binary format. For more information, see the TPEG specification.