Amazon is letting advertisers get their audio spots in front of more ears through an expanded pact with iHeartMedia for programmatic ads. Under the deal, users of the Amazon DSP (demand side platform) ad-buying system now have access to inventory on iHeartMedia’s streaming music and livestreaming radio channels. In 2026, Amazon DSP will add iHeartPodcasts and iHeartMedia’s broadcast radio stations. In the U.S., iHeartMedia is the biggest radio broadcaster, operating more than 870 owned stations