POST /v21.0/{product-catalog-id}/product_feeds HTTP/1.1
Host: graph.facebook.com

name=Test+Feed&schedule=%7B%22interval%22%3A%22DAILY%22%2C%22url%22%3A%22http%3A%2F%2Fwww.example.com%2Fsample_feed.tsv%22%2C%22hour%22%3A%2222%22%7D

/* PHP SDK v5.0.0 */
/* make the API call */
try {
  // Returns a `Facebook\FacebookResponse` object
  $response = $fb->post(
    '/{product-catalog-id}/product_feeds',
    array (
      'name' => 'Test Feed',
      'schedule' => '{"interval":"DAILY","url":"http://www.example.com/sample_feed.tsv","hour":"22"}',
    ),
    '{access-token}'
  );
} catch(Facebook\Exceptions\FacebookResponseException $e) {
  echo 'Graph returned an error: ' . $e->getMessage();
  exit;
} catch(Facebook\Exceptions\FacebookSDKException $e) {
  echo 'Facebook SDK returned an error: ' . $e->getMessage();
  exit;
}
$graphNode = $response->getGraphNode();
/* handle the result */

/* make the API call */
FB.api(
    "/{product-catalog-id}/product_feeds",
    "POST",
    {
        "name": "Test Feed",
        "schedule": "{\"interval\":\"DAILY\",\"url\":\"http:\/\/www.example.com\/sample_feed.tsv\",\"hour\":\"22\"}"
    },
    function (response) {
      if (response && !response.error) {
        /* handle the result */
      }
    }
);

Bundle params = new Bundle();
params.putString("name", "Test Feed");
params.putString("schedule", "{\"interval\":\"DAILY\",\"url\":\"http://www.example.com/sample_feed.tsv\",\"hour\":\"22\"}");
/* make the API call */
new GraphRequest(
    AccessToken.getCurrentAccessToken(),
    "/{product-catalog-id}/product_feeds",
    params,
    HttpMethod.POST,
    new GraphRequest.Callback() {
        public void onCompleted(GraphResponse response) {
            /* handle the result */
        }
    }
).executeAsync();

NSDictionary *params = @{
  @"name": @"Test Feed",
  @"schedule": @"{\"interval\":\"DAILY\",\"url\":\"http://www.example.com/sample_feed.tsv\",\"hour\":\"22\"}",
};
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/{product-catalog-id}/product_feeds"
                                      parameters:params
                                      HTTPMethod:@"POST"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];

curl -X POST \
  -F 'name="Test Feed"' \
  -F 'schedule={
       "interval": "DAILY",
       "url": "http://www.example.com/sample_feed.tsv",
       "hour": "22"
     }' \
  -F 'access_token=<ACCESS_TOKEN>' \
  https://graph.facebook.com/v21.0/{product-catalog-id}/product_feeds