Siftfy is a cloud-based API for spam detection, offering calibrated probability scores for text classification. It provides a simple REST endpoint, free tier, and fast response times for developers and businesses.
Siftfy is an Other AI product. It focuses on automating spam detection for developers and businesses via a simple API. It is built as a B2B product for developers and businesses needing spam detection. Siftfy follows a freemium model. Siftfy is available on the command line and API.
Behind Siftfy is Siftfy, and the product first shipped in 2026. Development happens publicly on GitHub with 20 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Siftfy occupies a relatively distinct niche. Key capabilities include spam classification, calibrated probabilities, and REST API. It exposes integrations via a public API.
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