Two endpoints: POST /phones/{phone_id}/volume-up and POST /phones/{phone_id}/volume-down
Control the device volume.
Volume Up
curl -X POST https://api.tapkit.ai/phones/{phone_id}/volume-up \
-H "X-API-Key: TK_your_api_key"
Volume Down
curl -X POST https://api.tapkit.ai/phones/{phone_id}/volume-down \
-H "X-API-Key: TK_your_api_key"
No request body required for either endpoint.