Graft Concepts — independent third-party profile of a public API surface, by API Evangelist. Graft Concepts was a consumer-electronics accessories company best known for the "Leverage" modular iPhone case, a latched aluminum-and-polycarbonate bumper frame with interchangeable backplates that let owners swap in kickstands, bike mounts, and 3D-printe
company hardware y-combinator apis-json acquired consumer-electronics mobile-accessories iphone-cases
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Updated
Oct 9, 2026