<?php

// Option
$option = new AlphaVantage\Options();
$option->setApiKey('YOUR_KEY');

// Client
$client = new AlphaVantage\Client($option);
var_dump($client->foreignExchange()->currencyExchangeRate('BTC', 'CNY'));

return [
    'dependencies' => [
        'factories' => [
            'alphavantage' => \AlphaVantage\Factory\AlphaVantageFactory::class,
        ],
    ],
];

return [
    'alpha_vantage' => [
        'api_key' => 'APIKEY',
    ]
];