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DocumentationDesktop ApplicationSetupApp Connections Are Off

App Connections Are Off

“Third-party apps and dApps connect via the REST API. It’s disabled by default for your protection. Only enable it in Settings when you need it.”

— card 2 of 3, shown after setup

Settings, Application: the API Bridge switch with the local server running on port 1646
Episode MULTI 04 · Connect an application · 1:25 · KeepKey, step by step

KeepKey Desktop can run a local API on http://localhost:1646. Other software uses it to ask your KeepKey for addresses and signatures: the browser extension, dApps, the SDK and your own scripts. It ships off. Sending, receiving, swapping and your portfolio all work without it.

While it’s off, only KeepKey Desktop can talk to your device. While it’s on, any software on your computer can ask, though every signature still needs your approval on the device. Turn it on when you need an integration, and off again when you’re done.

Turn it on with the API Bridge switch in Settings → Application. How pairing works and the full risk explanation: Settings → API Bridge. Building against it: Quickstart.

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