I'm using lumen trying to set up simple API requests via guzzle.
The problem is the base_uri parameter doesn't appear to be passed correctly on the initial new Client().
Simplified example:
use GuzzleHttp\Client;
$client = new Client([
 'base_uri' => 'https://siteurl.com/api/v2'
]);
Then calling the api via get
$res = $client->get('orders', [
    'query' => [
            'status' => 'completed'
    ]
]);
does not work. I've been careful not to use absolute urls like /orders. If I bypass base_uri entirely and just add it on the get method $client->get('https://siteurl.com/api/v2/orders'), it works.
I'm using:
"laravel/lumen-framework": "5.0.*",
"guzzlehttp/guzzle": "^6.0"
*Follow-up:
I added the debug flag so I could compare the headers, and the noticeable difference is in the get request line.
Absolute url in the get method (bypassing base_uri): > GET /api/v2/orders?status=completed HTTP/1.1
Using base_uri (version is being stripped): > GET /api/orders?status=completed HTTP/1.1
                        
You need to terminate your base_uri with a forward slash /
E.g.,
Edit: Note that base_uri is for Guzzle 6+, whereas previous versions used base_url.