import { ManagementClient } from "auth0";

async function main() {
    const client = new ManagementClient({
        token: "<token>",
    });
    await client.deviceCredentials.createPublicKey({
        deviceName: "device_name",
        type: "public_key",
        value: "value",
        deviceId: "device_id",
    });
}
main();

{
  "id": "dcr_0000000000000001"
}