Delta Listing Service (DLS) provides an API for all partners who need access to current Cars.com classified ad listing information. This service will return a list of classified ad listings as well as classified ad listing details. Any changes to classified ad listings are available via this service an hour after the change occurs.
Delta Listing API
Get classified ad listing details for a given classified ad id. The classified ad id must be passed in as part of the request url. For example, for the classified ad listing with id 12345, the request URL would be:
Method type: GET
Get all classified ad listing ids up to the last 24 hours. The time difference between startDateTime and current system time can be a minimum of 1 hour and a maximum of 24 hours. If the difference is less than one hour, the time provided by the client will be discarded and the default timeframe of one hour will be used. If the difference is more than 24 hours, the time provided by the client will be discarded and the default timeframe of 24 hours will be used.