NEW YORK, Oct. 23, 2025 /PRNewswire/ — Clinch, the Agentic AI platform for omnichannel advertising, today announced an expanded collaboration with Amazon Ads, becoming the first third-party ad serving solution to serve ads to Amazon Custom Audiences, a functionality reserved for creatives served directly by Amazon. Amazon Custom Audiences are custom-built segments that can help brands reach and re-engage with shoppers directly via Amazon DSP.