Run this command to install the SDK:

npm install cloudmersive-convert-api-client --save


Or add this snippet to your package.json:

  "dependencies": {
    "cloudmersive-convert-api-client": "^2.6.3"
  }


var CloudmersiveConvertApiClient = require('cloudmersive-convert-api-client');
var defaultClient = CloudmersiveConvertApiClient.ApiClient.instance;

// Configure API key authorization: Apikey
var Apikey = defaultClient.authentications['Apikey'];
Apikey.apiKey = 'YOUR API KEY';



var apiInstance = new CloudmersiveConvertApiClient.EditHtmlApi();

var headingText = "headingText_example"; // String | The text content to be used in the header.

var opts = { 
  'inputFile': Buffer.from(fs.readFileSync("C:\\temp\\inputfile").buffer), // File | Optional: Input file to perform the operation on.
  'inputFileUrl': "inputFileUrl_example", // String | Optional: URL of a file to operate on as input.
  'headingSize': 56, // Number | Optional: The heading size number. Default is 1. Accepts values between 1 and 6.
  'cssStyle': "cssStyle_example" // String | Optional: The CSS style for the heading.
};

var callback = function(error, data, response) {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + data);
  }
};
apiInstance.editHtmlHtmlAppendHeading(headingText, opts, callback);

Run this command to install the SDK:

pip install cloudmersive-convert-api-client


from __future__ import print_function
import time
import cloudmersive_convert_api_client
from cloudmersive_convert_api_client.rest import ApiException
from pprint import pprint

# Configure API key authorization: Apikey
configuration = cloudmersive_convert_api_client.Configuration()
configuration.api_key['Apikey'] = 'YOUR_API_KEY'



# create an instance of the API class
api_instance = cloudmersive_convert_api_client.EditHtmlApi(cloudmersive_convert_api_client.ApiClient(configuration))
heading_text = 'heading_text_example' # str | The text content to be used in the header.
input_file = '/path/to/file' # file | Optional: Input file to perform the operation on. (optional)
input_file_url = 'input_file_url_example' # str | Optional: URL of a file to operate on as input. (optional)
heading_size = 56 # int | Optional: The heading size number. Default is 1. Accepts values between 1 and 6. (optional)
css_style = 'css_style_example' # str | Optional: The CSS style for the heading. (optional)

try:
    # Append a Heading to an HTML Document
    api_response = api_instance.edit_html_html_append_heading(heading_text, input_file=input_file, input_file_url=input_file_url, heading_size=heading_size, css_style=css_style)
    pprint(api_response)
except ApiException as e:
    print("Exception when calling EditHtmlApi->edit_html_html_append_heading: %s\n" % e)
.NET Framework | .NET Core

Run this command to install the SDK:

Install-Package Cloudmersive.APIClient.NET.DocumentAndDataConvert -Version 3.4.2



using System;
using System.Diagnostics;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Api;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Client;
using Cloudmersive.APIClient.NET.DocumentAndDataConvert.Model;

namespace Example
{
    public class EditHtmlHtmlAppendHeadingExample
    {
        public void main()
        {
            // Configure API key authorization: Apikey
            Configuration.Default.AddApiKey("Apikey", "YOUR_API_KEY");
            
            

            var apiInstance = new EditHtmlApi();
            var headingText = headingText_example;  // string | The text content to be used in the header.
            var inputFile = new System.IO.FileStream("C:\\temp\\inputfile", System.IO.FileMode.Open); // System.IO.Stream | Optional: Input file to perform the operation on. (optional) 
            var inputFileUrl = inputFileUrl_example;  // string | Optional: URL of a file to operate on as input. (optional) 
            var headingSize = 56;  // int? | Optional: The heading size number. Default is 1. Accepts values between 1 and 6. (optional) 
            var cssStyle = cssStyle_example;  // string | Optional: The CSS style for the heading. (optional) 

            try
            {
                // Append a Heading to an HTML Document
                byte[] result = apiInstance.EditHtmlHtmlAppendHeading(headingText, inputFile, inputFileUrl, headingSize, cssStyle);
                Debug.WriteLine(result);
            }
            catch (Exception e)
            {
                Debug.Print("Exception when calling EditHtmlApi.EditHtmlHtmlAppendHeading: " + e.Message );
            }
        }
    }
}

To install with Maven, add a reference to the repository in pom.xml:

<repositories>
    <repository>
        <id>jitpack.io</id>
        <url>https://jitpack.io</url>
    </repository>
</repositories>


And add a reference to the dependency in pom.xml:

<dependencies>
<dependency>
    <groupId>com.github.Cloudmersive</groupId>
    <artifactId>Cloudmersive.APIClient.Java</artifactId>
    <version>v4.25</version>
</dependency>
</dependencies>


To install with Gradle, add it in your root build.gradle at the end of repositories:

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}


And add the dependency in build.gradle:

dependencies {
        implementation 'com.github.Cloudmersive:Cloudmersive.APIClient.Java:v4.25'
}


// Import classes:
//import com.cloudmersive.client.invoker.ApiClient;
//import com.cloudmersive.client.invoker.ApiException;
//import com.cloudmersive.client.invoker.Configuration;
//import com.cloudmersive.client.invoker.auth.*;
//import com.cloudmersive.client.EditHtmlApi;

ApiClient defaultClient = Configuration.getDefaultApiClient();

// Configure API key authorization: Apikey
ApiKeyAuth Apikey = (ApiKeyAuth) defaultClient.getAuthentication("Apikey");
Apikey.setApiKey("YOUR API KEY");
// Uncomment the following line to set a prefix for the API key, e.g. "Token" (defaults to null)
//Apikey.setApiKeyPrefix("Token");

EditHtmlApi apiInstance = new EditHtmlApi();
String headingText = "headingText_example"; // String | The text content to be used in the header.
File inputFile = new File("/path/to/file"); // File | Optional: Input file to perform the operation on.
String inputFileUrl = "inputFileUrl_example"; // String | Optional: URL of a file to operate on as input.
Integer headingSize = 56; // Integer | Optional: The heading size number. Default is 1. Accepts values between 1 and 6.
String cssStyle = "cssStyle_example"; // String | Optional: The CSS style for the heading.
try {
    byte[] result = apiInstance.editHtmlHtmlAppendHeading(headingText, inputFile, inputFileUrl, headingSize, cssStyle);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling EditHtmlApi#editHtmlHtmlAppendHeading");
    e.printStackTrace();
}

Run this command to install the SDK:

composer require cloudmersive/cloudmersive_document_convert_api_client


<?php
require_once(__DIR__ . '/vendor/autoload.php');

// Configure API key authorization: Apikey
$config = Swagger\Client\Configuration::getDefaultConfiguration()->setApiKey('Apikey', 'YOUR_API_KEY');



$apiInstance = new Swagger\Client\Api\EditHtmlApi(
    
    
    new GuzzleHttp\Client(),
    $config
);
$heading_text = "heading_text_example"; // string | The text content to be used in the header.
$input_file = "/path/to/file"; // \SplFileObject | Optional: Input file to perform the operation on.
$input_file_url = "input_file_url_example"; // string | Optional: URL of a file to operate on as input.
$heading_size = 56; // int | Optional: The heading size number. Default is 1. Accepts values between 1 and 6.
$css_style = "css_style_example"; // string | Optional: The CSS style for the heading.

try {
    $result = $apiInstance->editHtmlHtmlAppendHeading($heading_text, $input_file, $input_file_url, $heading_size, $css_style);
    print_r($result);
} catch (Exception $e) {
    echo 'Exception when calling EditHtmlApi->editHtmlHtmlAppendHeading: ', $e->getMessage(), PHP_EOL;
}
?>

Add the Objective-C client to your Podfile:

pod 'CloudmersiveDocumentAndDataConvertApiClient', '~> 1.0'


CMDefaultConfiguration *apiConfig = [CMDefaultConfiguration sharedConfig];

// Configure API key authorization: (authentication scheme: Apikey)
[apiConfig setApiKey:@"YOUR_API_KEY" forApiKeyIdentifier:@"Apikey"];




NSString* headingText = @"headingText_example"; // The text content to be used in the header.
NSURL* inputFile = [NSURL fileURLWithPath:@"/path/to/file"]; // Optional: Input file to perform the operation on. (optional)
NSString* inputFileUrl = @"inputFileUrl_example"; // Optional: URL of a file to operate on as input. (optional)
NSNumber* headingSize = @56; // Optional: The heading size number. Default is 1. Accepts values between 1 and 6. (optional)
NSString* cssStyle = @"cssStyle_example"; // Optional: The CSS style for the heading. (optional)

CMEditHtmlApi*apiInstance = [[CMEditHtmlApi alloc] init];

// Append a Heading to an HTML Document
[apiInstance editHtmlHtmlAppendHeadingWithHeadingText:headingText
              inputFile:inputFile
              inputFileUrl:inputFileUrl
              headingSize:headingSize
              cssStyle:cssStyle
          completionHandler: ^(NSData* output, NSError* error) {
                        if (output) {
                            NSLog(@"%@", output);
                        }
                        if (error) {
                            NSLog(@"Error calling CMEditHtmlApi->editHtmlHtmlAppendHeading: %@", error);
                        }
                    }];

Add the Ruby client to your Gemfile:

gem 'cloudmersive-convert-api-client', '~> 2.1.6'


# load the gem
require 'cloudmersive-convert-api-client'
# setup authorization
CloudmersiveConvertApiClient.configure do |config|
  # Configure API key authorization: Apikey
  config.api_key['Apikey'] = 'YOUR API KEY'
  # Uncomment the following line to set a prefix for the API key, e.g. 'Bearer' (defaults to nil)
  #config.api_key_prefix['Apikey'] = 'Bearer'
end

api_instance = CloudmersiveConvertApiClient::EditHtmlApi.new

heading_text = 'heading_text_example' # String | The text content to be used in the header.

opts = { 
  input_file: File.new('/path/to/inputfile'), # File | Optional: Input file to perform the operation on.
  input_file_url: 'input_file_url_example', # String | Optional: URL of a file to operate on as input.
  heading_size: 56, # Integer | Optional: The heading size number. Default is 1. Accepts values between 1 and 6.
  css_style: 'css_style_example' # String | Optional: The CSS style for the heading.
}

begin
  #Append a Heading to an HTML Document
  result = api_instance.edit_html_html_append_heading(heading_text, opts)
  p result
rescue CloudmersiveConvertApiClient::ApiError => e
  puts "Exception when calling EditHtmlApi->edit_html_html_append_heading: #{e}"
end

Download and copy the /client folder into your Apex project:

Download Apex Client

SwagEditHtmlApi api = new SwagEditHtmlApi();
SwagClient client = api.getClient();

// Configure API key authorization: Apikey
ApiKeyAuth Apikey = (ApiKeyAuth) client.getAuthentication('Apikey');
Apikey.setApiKey('YOUR API KEY');

Map<String, Object> params = new Map<String, Object>{
    'headingText' => 'headingText_example',
    'inputFile' => Blob.valueOf('Sample text file\nContents'),
    'inputFileUrl' => 'inputFileUrl_example',
    'headingSize' => 56,
    'cssStyle' => 'cssStyle_example'
};

try {
    // cross your fingers
    Blob result = api.editHtmlHtmlAppendHeading(params);
    System.debug(result);
} catch (Swagger.ApiException e) {
    // ...handle your exceptions
}

Install libcurl in your C/C++ project:

libcurl/7.75.0
CURL *curl;
CURLcode res;
curl = curl_easy_init();
if(curl) {
     curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
     curl_easy_setopt(curl, CURLOPT_URL, "https://api.cloudmersive.com/convert/edit/html/append/heading");
     curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
     curl_easy_setopt(curl, CURLOPT_DEFAULT_PROTOCOL, "https");
     struct curl_slist *headers = NULL;
     headers = curl_slist_append(headers, "inputFileUrl: <string>");
     headers = curl_slist_append(headers, "headingText: <string>");
     headers = curl_slist_append(headers, "headingSize: <integer>");
     headers = curl_slist_append(headers, "cssStyle: <string>");
     headers = curl_slist_append(headers, "Content-Type: application/x-www-form-urlencoded");
     headers = curl_slist_append(headers, "Apikey: YOUR-API-KEY-HERE");
     curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
     const char *data = "inputFile=%3Cbinary%3E";
     curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
     res = curl_easy_perform(curl);
}
curl_easy_cleanup(curl);

curl --location --request POST 'https://api.cloudmersive.com/convert/edit/html/append/heading' \
--header 'inputFileUrl: <string>' \
--header 'headingText: <string>' \
--header 'headingSize: <integer>' \
--header 'cssStyle: <string>' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--header 'Apikey: YOUR-API-KEY-HERE' \
--data-urlencode 'inputFile=<binary>'
import Foundation
#if canImport(FoundationNetworking)
import FoundationNetworking
#endif

var semaphore = DispatchSemaphore (value: 0)

let parameters = "inputFile=%3Cbinary%3E"
let postData =  parameters.data(using: .utf8)

var request = URLRequest(url: URL(string: "https://api.cloudmersive.com/convert/edit/html/append/heading")!,timeoutInterval: Double.infinity)
request.addValue("<string>", forHTTPHeaderField: "inputFileUrl")
request.addValue("<string>", forHTTPHeaderField: "headingText")
request.addValue("<integer>", forHTTPHeaderField: "headingSize")
request.addValue("<string>", forHTTPHeaderField: "cssStyle")
request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type")
request.addValue("YOUR-API-KEY-HERE", forHTTPHeaderField: "Apikey")

request.httpMethod = "POST"
request.httpBody = postData

let task = URLSession.shared.dataTask(with: request) { data, response, error in 
     guard let data = data else {
          print(String(describing: error))
          semaphore.signal()
          return
     }
     print(String(data: data, encoding: .utf8)!)
     semaphore.signal()
}

task.resume()
semaphore.wait()
XHR | jQuery

This code snippet uses the built-in JavaScript XHR request capability

 
var data = "inputFile=%3Cbinary%3E";

var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function() {
     if(this.readyState === 4) {
          console.log(this.responseText);
     }
});

xhr.open("POST", "https://api.cloudmersive.com/convert/edit/html/append/heading");
xhr.setRequestHeader("inputFileUrl", "<string>");
xhr.setRequestHeader("headingText", "<string>");
xhr.setRequestHeader("headingSize", "<integer>");
xhr.setRequestHeader("cssStyle", "<string>");
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.setRequestHeader("Apikey", "YOUR-API-KEY-HERE");

xhr.send(data);
package main

import (
     "fmt"
     "strings"
     "net/http"
     "io/ioutil"
)

func main() {

     url := "https://api.cloudmersive.com/convert/edit/html/append/heading"
     method := "POST"

     payload := strings.NewReader("inputFile=%3Cbinary%3E")

     client := &http.Client {
     }
     req, err := http.NewRequest(method, url, payload)

     if err != nil {
          fmt.Println(err)
          return
     }
     req.Header.Add("inputFileUrl", "<string>")
     req.Header.Add("headingText", "<string>")
     req.Header.Add("headingSize", "<integer>")
     req.Header.Add("cssStyle", "<string>")
     req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
     req.Header.Add("Apikey", "YOUR-API-KEY-HERE")

     res, err := client.Do(req)
     if err != nil {
          fmt.Println(err)
          return
     }
     defer res.Body.Close()

     body, err := ioutil.ReadAll(res.Body)
     if err != nil {
          fmt.Println(err)
          return
     }
     fmt.Println(string(body))
}

Walkthrough Video