Electronic Signature
Developers
Features
API for eSignature Solutions
Create a freeform signature invite with C# SDK for API

Create a freeform signature invite with C# SDK using the API

Send a document without fillable fields for signing directly from your app or website. Allow recipients to sign the document and add fillable fields anywhere on a page. No airSlate SignNow account required.

Free to test
Fast to deploy
Powerful & secure

Allow signers to import fields manually

Use the sample code to create freeform invites. Upon receiving a document, recipients will be able to fill in all their necessary details by inserting fields anywhere on the document.

Node.js

C#

Python

cURL

Copy code

public class SignatureInviteFreeForm
    {
        public string to { get; set; }
        public string from { get; set; }
        public IEnumerable<string> cc { get; set; }
        public string subject { get; set; }
        public string message { get; set; }
    }
public partial class RestSharpSamples
    {
        /// <summary>
        /// Send invite without fields and roles (Free Form)
        /// </summary>
        public static void SendFreeForm(string accessToken, string apiUrl, string documentId, SignatureInviteFreeForm dataObj,  bool disableEmail = false)
        {      
            var client = new RestClient { BaseUrl = new Uri(apiUrl) };
 
            var disable = (disableEmail) ? "?email=disable" : "";
            var request = new RestRequest("/document/" + documentId + "/invite" + disable, Method.POST)
                .AddHeader("Accept", "application/json")
                .AddHeader("Authorization", "Bearer " + accessToken);
 
            request.RequestFormat = DataFormat.Json;
            request.AddBody(dataObj);
 
            var response = client.Execute(request);
            if (response.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception($"Cannot send invite. {response.Content}");
            }
        }
    }

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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Solution engineers

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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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Start with any of our SDKs

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PHP, Java, C#.

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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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Safeguards credit/debit card data for every monetary transaction a customer makes.

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

Experiment with airSlate SignNow's create a freeform invite with c sdk for api

The airSlate SignNow API provides organizations with an exceptional array of functions that facilitate more efficient business operations. Discover the advantages of our create a freeform invite with c sdk for api by signing up for a complimentary Sandbox account.

To establish a Sandbox account, follow these instructions:

Visit the airSlate SignNow Developers page. There you can discover additional information about the API and create your Sandbox account.
Register for a trial. Enter your email address and click the Create API sandbox button to sign up.
Verify your email address. Check your inbox for an email and click the link provided to confirm your email address.
Access Developer Sandbox. Set a password to gain further access to your developer account.
Include an application. Click Add App, enter a name for your app, and hit Add to save changes. The application’s API token will be generated automatically.
Try out create a freeform invite with c sdk for api. Investigate all airSlate SignNow features and how they can improve your business operations.

Adhere to these guidelines to evaluate airSlate SignNow's functionalities. Feel free to reach out to the support team if you have any inquiries. Optimize your business workflows with airSlate SignNow today.

How it works

Create an account and get the required tokens

Use code samples to create a freeform signature invite 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.

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

Everything has been great, really easy to incorporate...

5

Liam R

Everything has been great, really easy to incorporate into my business. And the clients who have used your software so far have said it is very easy to complete the necessary signatures.

Read full review