POST /v5.0/act_<AD_ACCOUNT_ID>/adspixels HTTP/1.1
Host: graph.facebook.com

name=My+WCA+Pixel

/* PHP SDK v5.0.0 */
/* make the API call */
try {
  // Returns a `Facebook\FacebookResponse` object
  $response = $fb->post(
    '/act_<AD_ACCOUNT_ID>/adspixels',
    array (
      'name' => 'My WCA Pixel',
    ),
    '{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(
    "/act_<AD_ACCOUNT_ID>/adspixels",
    "POST",
    {
        "name": "My WCA Pixel"
    },
    function (response) {
      if (response && !response.error) {
        /* handle the result */
      }
    }
);

Bundle params = new Bundle();
params.putString("name", "My WCA Pixel");
/* make the API call */
new GraphRequest(
    AccessToken.getCurrentAccessToken(),
    "/act_<AD_ACCOUNT_ID>/adspixels",
    params,
    HttpMethod.POST,
    new GraphRequest.Callback() {
        public void onCompleted(GraphResponse response) {
            /* handle the result */
        }
    }
).executeAsync();

// For more complex open graph stories, use `FBSDKShareAPI`
// with `FBSDKShareOpenGraphContent`
NSDictionary *params = @{
  @"name": @"My WCA Pixel",
};
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/act_<AD_ACCOUNT_ID>/adspixels"
                                      parameters:params
                                      HTTPMethod:@"POST"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];

curl -X POST \
  -F 'name="My WCA Pixel"' \
  -F 'access_token=<ACCESS_TOKEN>' \
  https://graph.facebook.com/v5.0/act_<AD_ACCOUNT_ID>/adspixels

POST /v5.0/<PIXEL_ID>/events HTTP/1.1
Host: graph.facebook.com

data=%5B%7B%22event_name%22%3A%22PageView%22%2C%22event_time%22%3A1579582455%2C%22user_data%22%3A%7B%22fbc%22%3A%22fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890%22%2C%22fbp%22%3A%22fb.1.1558571054389.1098115397%22%2C%22em%22%3A%22309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd%22%7D%7D%5D

/* PHP SDK v5.0.0 */
/* make the API call */
try {
  // Returns a `Facebook\FacebookResponse` object
  $response = $fb->post(
    '/<PIXEL_ID>/events',
    array (
      'data' => '[{"event_name":"PageView","event_time":1579582455,"user_data":{"fbc":"fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890","fbp":"fb.1.1558571054389.1098115397","em":"309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd"}}]',
    ),
    '{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(
    "/<PIXEL_ID>/events",
    "POST",
    {
        "data": "[{\"event_name\":\"PageView\",\"event_time\":1579582455,\"user_data\":{\"fbc\":\"fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890\",\"fbp\":\"fb.1.1558571054389.1098115397\",\"em\":\"309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd\"}}]"
    },
    function (response) {
      if (response && !response.error) {
        /* handle the result */
      }
    }
);

Bundle params = new Bundle();
params.putString("data", "[{\"event_name\":\"PageView\",\"event_time\":1579582455,\"user_data\":{\"fbc\":\"fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890\",\"fbp\":\"fb.1.1558571054389.1098115397\",\"em\":\"309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd\"}}]");
/* make the API call */
new GraphRequest(
    AccessToken.getCurrentAccessToken(),
    "/<PIXEL_ID>/events",
    params,
    HttpMethod.POST,
    new GraphRequest.Callback() {
        public void onCompleted(GraphResponse response) {
            /* handle the result */
        }
    }
).executeAsync();

// For more complex open graph stories, use `FBSDKShareAPI`
// with `FBSDKShareOpenGraphContent`
NSDictionary *params = @{
  @"data": @"[{\"event_name\":\"PageView\",\"event_time\":1579582455,\"user_data\":{\"fbc\":\"fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890\",\"fbp\":\"fb.1.1558571054389.1098115397\",\"em\":\"309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd\"}}]",
};
/* make the API call */
FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                               initWithGraphPath:@"/<PIXEL_ID>/events"
                                      parameters:params
                                      HTTPMethod:@"POST"];
[request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection,
                                      id result,
                                      NSError *error) {
    // Handle the result
}];

curl -X POST \
  -F 'data=[
       {
         "event_name": "PageView",
         "event_time": 1579582455,
         "user_data": {
           "fbc": "fb.1.1554763741205.AbCdEfGhIjKlMnOpQrStUvWxYz1234567890",
           "fbp": "fb.1.1558571054389.1098115397",
           "em": "309a0a5c3e211326ae75ca18196d301a9bdbd1a882a4d2569511033da23f0abd"
         }
       }
     ]' \
  -F 'access_token=<ACCESS_TOKEN>' \
  https://graph.facebook.com/v5.0/<PIXEL_ID>/events