W3cubDocs

/Web APIs

BluetoothRemoteGATTServer: getPrimaryService() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The BluetoothRemoteGATTServer.getPrimaryService() method returns a promise to the primary BluetoothRemoteGATTService offered by the Bluetooth device for a specified bluetooth service UUID.

Syntax

getPrimaryService(bluetoothServiceUUID)

Parameters

bluetoothServiceUUID

A Bluetooth service universally unique identifier for a specified device, that is either a 128-bit UUID, a 16-bit or 32-bit UUID alias, or a string from the list of GATT assigned services keys.

Return value

A Promise that resolves to a BluetoothRemoteGATTService object.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
getPrimaryService 56 79 No 43 No 56 No 43 No 6.0 No No

© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/BluetoothRemoteGATTServer/getPrimaryService