Electronic Signature
Developers
Features
API for eSignature Solutions
Merge several documents into one for signing with C# SDK for API

Merge several documents into one for signing with C# SDK using the API

Combine several existing documents into one and send it for eSigning within your application. Users can merge documents in a specific order and rename newly merged documents in a single click.

Free to test
Fast to deploy
Powerful & secure

Merge documents together

Use the sample code to create new documents by combining a few existing ones and arranging pages within one document.

Node.js

C#

Python

cURL

Copy code

public partial class RestSharpSamples
    {
        public static string MergeDocuments(string accessToken, string apiUrl, string newDocumentName, IEnumerable<string> documentsIds)
        {
            var client = new RestClient { BaseUrl = new Uri(apiUrl) };
 
            var request = new RestRequest($"/document/merge", Method.POST)
                .AddHeader("Accept", "application/json")
                .AddHeader("Authorization", $"Bearer {accessToken}");
 
            request.RequestFormat = DataFormat.Json;
 
            request.AddBody(new MergeDocumentRequestModel()
            {
                name = newDocumentName,
                document_ids = documentsIds
            });
 
            var response = client.Execute(request);
 
            if (response.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception(response.Content);
            }
 
            var mergedFileContent =  Encoding.UTF8.GetBytes( response.Content );
            return Convert.ToBase64String(mergedFileContent);
        }
    }

We provide developers with complete SDKs for all popular languages, allowing them to integrate eSignature workflows without writing a single line of code.
With our detailed documentation, integrating the airSlate SignNow API is a breeze.
The airSlate SignNow API not only provides you with eSignatures: use it to create fillable forms, request payments, and download & archive documents using simple API calls.

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Review airSlate SignNow’s API documentation

The detailed API tutorial will guide you through the entire integration process and provide clear coding examples.

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airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific security standards.

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21 CFR Part 11

FDA-backed standards for electronic documentation and electronic signatures.

HIPAA compliance

Protects the private health information of your patients.

CCPA compliance

Enhances the protection of personal data and the privacy of California residents.

Watch the airSlate SignNow API in action

Explore airSlate SignNow's merge several documents into one with c sdk for api

The airSlate SignNow API equips organizations with a distinctive array of functionalities that facilitate more efficient business processes. Uncover the benefits of our merge several documents into one with c sdk for api with a complimentary Sandbox account.

Complete the following instructions to establish a Sandbox account:

Visit the airSlate SignNow Developers page. There, you can find additional information regarding the API and sign up for your Sandbox account.
Register for a trial. Enter your email address and click the Create API sandbox button to enroll.
Verify your email address. Access the email you receive and follow the link to authenticate your email address.
Navigate to Developer Sandbox. Set a password to allow further access to your developer account.
Add an application. Click Add App, specify a name for your app, and click Add to preserve changes. The API token for the application will be generated automatically.
Evaluate merge several documents into one with c sdk for api. Explore all airSlate SignNow features and how they can improve your business operations.

Adhere to these instructions to assess airSlate SignNow's capabilities. Feel free to reach out to the support team if you have any inquiries. Improve your business workflows with airSlate SignNow today.

How it works

Create an account and get the required tokens

Use code samples to merge several documents into one for signing with C# SDK using the API

Enjoy the power of eSignature in your workflows

Watch our instructions to build custom integrations with ease

airSlate SignNow offers a free testing environment to explore the eSignature.

Trusted eSignature solution — what our customers are saying

Explore how the airSlate SignNow eSignature platform helps businesses succeed. Hear from real users and what they like most about electronic signing.

I love the price. Nice features without the...

5

Phil M

I love the price. Nice features without the high price tag. We don't send that many documents so its nice to have a reasonable option for small business.

Read full review

This service is really great! It has helped...

5

anonymous

This service is really great! It has helped us enormously by ensuring we are fully covered in our agreements. We are on a 100% for collecting on our jobs, from a previous 60-70%. I recommend this to everyone.

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I've been using airSlate SignNow for years (since it...

5

Susan S

I've been using airSlate SignNow for years (since it was CudaSign). I started using airSlate SignNow for real estate as it was easier for my clients to use. I now use it in my business for employement and onboarding docs.

Read full review