API immobilière PHP — intégration Laravel / Symfony

<?php
class TsImmoClient
{
    public function __construct(private string $apiKey, private string $baseUrl = 'https://api.ts-immo.org') {}

    public function listings(array $params = []): array
    {
        $query = http_build_query($params);
        $url = "{$this->baseUrl}/v1/listings?{$query}";
        $ctx = stream_context_create([
            'http' => [
                'header' => "Authorization: Bearer {$this->apiKey}\r\n",
            ],
        ]);
        $body = file_get_contents($url, false, $ctx);
        return json_decode($body, true);
    }
}