BankID API custom validation

/**
 * Validate the custom social field value with the BankID API
 * @param bool $isValid
 * @param GeminiLabs\SiteReviews\Request $request
 * @return bool|string
 */
add_filter('site-reviews/validate/custom', function ($isValid, $request) {
    $apiResponse = wp_remote_post('https://api.banksignering.se/api/auth', [
        'body' => [
            'apiUser' => 'xxx',
            'password' => 'yyy',
            'companyApiGuid' => 'zzz',
            'personalNumber' => $request->social,
            'endUserIp' => $request->ip_address,
        ],
    ]);
    if (is_wp_error($apiResponse)) {
        // WordPress encountered an error when making the API request.
        // You can either return the WordPress error message here,
        // or return a custom validation error message
        return $apiResponse->get_message();
    }
    // Get the response body of the API request
    $apiResponseBody = json_decode($apiResponse['body']);
    if (wp_validate_boolean(glsr_get($apiResponseBody, 'authResponse.Success'))) {
        return true; // validation was successful!
    }
    // The API request returned an error, so return an appropriate
    // validation error message here
    return 'BankID validation failed, please check your social number.';
}, 10, 2);

/**
 * Remove the submitted custom social field value before the review is saved
 * @param array $values
 * @return array
 */
add_filter('site-reviews/create/review-values', function ($values) {
    if (isset($values['custom']['social'])) {
        // Replace the submitted social security value
        $values['custom']['social'] = 'Validated with BankID';
        $values['request']->set('social', 'Validated with BankID');
    }
    return $values;
});