# Devices Device registration and management. ## Update device - [PUT /ipp/v1/devices/{id}](https://docs.kustom.co/contents/api/in-person-payments/devices/updatedevice.md): Updates device properties such as name, metadata, or location assignment. ## Deregister device - [DELETE /ipp/v1/devices/{id}](https://docs.kustom.co/contents/api/in-person-payments/devices/deregisterdevice.md): Removes a device from the merchant's account. The device will no longer be able to process payments. ## List devices - [GET /ipp/v1/devices](https://docs.kustom.co/contents/api/in-person-payments/devices/listdevices.md): Lists all registered devices for the merchant, optionally filtered by location.