Google Cloud Vision API
7.9#1 in ai content moderation software$0.60 usage-basedFree planWebAPILinuxmacOS
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It suits developers seeking prebuilt vision capabilities to add to applications, especially image labeling, OCR, object localization, or content tagging. Mobile developers should note Google's recommendation of ML Kit for Firebase for Android and iOS.
You want what its maker publishes above — check its page for the details.