Buysight — independent third-party profile of a public API surface, by API Evangelist. Buysight, Inc. was a Silicon Valley advertising technology startup founded in 2008 that built intent-based audience targeting, retargeting, and Dynamic Creative Optimization (DCO) for display advertising, using machine learning to select both the audience for an
marketing machine-learning company adtech advertising defunct retargeting audience-targeting apis-json acquired advertising-technology dynamic-creative-optimization
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Updated
Sep 4, 2026