> ## Documentation Index
> Fetch the complete documentation index at: https://stytch.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Telemetry ID

> Get the Device Fingerprinting telemetry ID for the device using the Stytch React Native SDK

`dfp.getTelemetryID` generates a telemetry ID for the user for use in the [Fingerprint Lookup API](/docs/api-reference/fraud/api/fingerprint-lookup).

<Panel>
  <RequestExample>
    ```jsx theme={null}
      import { Text, TouchableOpacity, View } from 'react-native';
      import { useStytch } from '@stytch/react-native';

      export const Authenticate = () => {
        const stytch = useStytch();

        const login = () => {
          stytch.dfp
            .getTelemetryID()
            .then(({ telemetryId }) => {
              // pass the telemetry_id to your backend to perform a lookup and handle the response as appropriate
              console.log(telemetryId);
            })
            .catch(console.error);
        };

        return (
          <View>
            <TouchableOpacity onPress={login}>
              <Text>Login</Text>
            </TouchableOpacity>
          </View>
        );
      };
    ```
  </RequestExample>

  <ResponseExample>
    ```json 200 theme={null}
      {
        "telemetryId": "026ac93b-8cdf-4fcb-bfa6-36a31cfecac1"
      }
    ```
  </ResponseExample>
</Panel>