What are common issues when working with the eBay API and PHP?

One common issue when working with the eBay API and PHP is handling authentication errors, such as invalid credentials or expired tokens. To solve this, you need to make sure to properly handle authentication errors and implement a mechanism to refresh tokens when they expire. 

// Check for authentication errors and refresh token if needed
if ($response->getStatusCode() == 401) {
    // Refresh token logic here
    $newToken = refreshToken();
    // Make the API call again with the new token
    $response = makeAPICall($newToken);
}

Keywords

eBay API PHP authentication error handling rate limiting

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