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

Create a freeform signature invite with C# Client 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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Tech Data uses airSlate SignNow to improve our internal and external customer service while increasing our speed to revenue.

Bob Dutkowsky | CEO

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Integrate eSignatures into your software and get 250 legally-binding signature invites with your API free trial.

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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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Watch our video guides for instructions on how to easily build custom integrations.

Start with any of our SDKs

Get complete SDKs for Node.js, Python,
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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SOC 2 Type II Certified

Guarantees the security of your data & the privacy of your clients.

PCI DSS certification

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

Evaluate airSlate SignNow's create a freeform invite with c client for api

The airSlate SignNow API equips organizations with an exceptional array of functionalities that facilitate more efficient business operations. Explore the advantages of our create a freeform invite with c client for api by creating a complimentary Sandbox account.

Follow these instructions to set up a Sandbox account:

Go to the airSlate SignNow Developers page. There you will find additional details about the API and can register your Sandbox account.
Enroll for a trial. Provide your email address and click the Create API sandbox button to sign up.
Verify your email address. Check your inbox, open the email you receive, and follow the link to verify your email address.
Access Developer Sandbox. Establish a password to allow further access to your developer account.
Add an application. Click Add App, assign a name to your app, and then click Add to save your changes. The API token for the application will be generated automatically.
Examine create a freeform invite with c client for api. Uncover all the features of airSlate SignNow and how they can improve your business operations.

Adhere to these directions to evaluate airSlate SignNow's offerings. Reach out to the support team if you have any inquiries. Optimize your business operations 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# Client 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.

Excellent workflow and electronic signing

5

Mark L

What do you like best?

The ability to route documents for signature and add fields to documents that you can then route. You can add date, time, calculated fields and even request files to be attached. This can all then be routed for signatures.

Read full review

Great Product for My DJ's and Clients

5

Darren G

What do you like best?

I love the ease of use to set up templates and the ability for my DJs to sign their payment receipts on their devices. I also love that I get alerts and reminders automatically when clients haven’t signed their agreement. I also like how you can assign multiple signers and store a signature to make the process of creation faster.

Read full review

Made Hiring so Much Easier

5

Anna S

What do you like best?

Made our onboarding so much easier. New hires are able to send information and get in faster! It is so much easier to be able to send this to a new hire. Now we are able to send this to them and we can see who is coming in before and prepare for our day. Spend your time on training instead of filling W2 all day. Also cleared up so much room in our filing cabinets.

Read full review