Get Bitcoin Price from CoinMarketCap

BitcoinController.php

<?php

namespace App\Http\Controllers\Api;

use App\Models\Bitcoin;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Cache;

class BitcoinController extends Controller
{
    private static $url = 'https://pro-api.coinmarketcap.com/v1/';
    private static $token = 'YOUR-TOKEN';

    /**
     * Update BITCOIN price
     */
    public static function price()
    {
        // CoinmarketCap prices
        $endpoint = 'cryptocurrency/quotes/latest?symbol=BTC&CMC_PRO_API_KEY=' . self::$token;
        $response = Http::get(self::$url . $endpoint);

        $data = json_decode($response->body(), true);

        // Save data to de Bitcoin DB
        if (isset($data['data']['BTC']['quote']['USD']['price'])) {

            $btc = $data['data']['BTC']['quote']['USD']['price'];
            $btc = round($btc, 2);

            // Update bitcoin table price
            $bitcoin = Bitcoin::first();

            // If no bitcoin price in the table, create new one
            if (!$bitcoin) {
                $bitcoin = Bitcoin::create([
                    'price' => $btc,
                ]);
            } else {
                $bitcoin->price = $btc;
                $bitcoin->save();
            }

        } else {
            $btc = $bitcoin = Bitcoin::first()->price;
        }

        // Now save to cache
        Cache::forever('btc', $btc);

        return $btc;
    }
}