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Getting invalid input error at amazon selling partner api
```
<?php
namespace App\Services;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Carbon\Carbon;
class AmazonSPApiService
{
private $accessKeyId;
private $secretAccessKey;
private $refreshToken;
private $clientId;
private $clientSecret;
private $sellerId;
public function __construct()
{
$this->accessKeyId = env('AMAZON_SP_API_ACCESS_KEY_ID');
$this->secretAccessKey = env('AMAZON_SP_API_SECRET_ACCESS_KEY');
$this->refreshToken = env('AMAZON_SP_API_REFRESH_TOKEN');
$this->clientId = env('AMAZON_SP_API_CLIENT_ID');
$this->clientSecret = env('AMAZON_SP_API_CLIENT_SECRET');
$this->sellerId = env('AMAZON_SP_API_SELLER_ID');
}
private function getAccessToken()
{
$url = 'https://api.amazon.com/auth/o2/token';
$response = Http::asForm()->post($url, [
'grant_type' => 'refresh_token',
'refresh_token' => $this->refreshToken,
'client_id' => $this->clientId,
'client_secret' => $this->clientSecret,
]);
$data = $response->json();
return $data['access_token'];
}
private function makeApiRequest($endpoint, $method = 'GET', $params = [])
{
$token = $this->getAccessToken();
$url = "https://sellingpartnerapi-na.amazon.com$endpoint";
// dd($token);
try {
$response = Http::withHeaders([
'Authorization' => "Bearer $token",
'x-amz-access-token' => $token,
'x-amz-date' => Carbon::now()->format('Ymd\THis\Z'),
])->$method($url, $params);
dd($response->json());
return $response->json();
} catch (\Exception $e) {
Log::error('Error making SP API request: ' . $e->getMessage());
return null;
}
}
public function getProducts()
{
$endpoint = '/catalog/v0/items'; // Example endpoint for catalog
$params = [
'asin' => 'B07JGTVTWN', // Example ASIN, replace with your own
'marketplaceId' => 'ATVPDKIKX0DER', // Example marketplace ID
];
return $this->makeApiRequest($endpoint, 'GET', $params);
}
// Add more methods to interact with other SP API endpoints
}
Route: Route::get('/amazon-products', [AmazonSPApiController::class, 'getProducts']);
and controller class:
use App\Services\AmazonSPApiService;
use Illuminate\Http\Request;
class AmazonSPApiController extends Controller
{
protected $amazonSPApiService;
public function __construct(AmazonSPApiService $amazonSPApiService)
{
$this->amazonSPApiService = $amazonSPApiService;
}
public function getProducts()
{
$products = $this->amazonSPApiService->getProducts();
if ($products) {
return response()->json(['data' => $products]);
} else {
return response()->json(['error' => 'Unable to fetch products'], 500);
}
}```
this cataglog items api returns Invalid Input error when I call above route where controller class is using AmazonSPApiService service
laravelamazon-selling-partner-api
2 replies
Connor_Amazon
Hi @Seller_Aow55Op0eSrnJ
Connor from Amazon here, thanks for your question.
Please reach out to seller support for technical questions. We are not able to see why you get an API error.
-Connor
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