Electronic Signature
Developers
Features
API for eSignature Solutions
Add required fields to a document you need signed with C# SDK using the API

Add required fields to a document you need signed with C# SDK using the API

Use signNow's API to make sure your recipients don't forget to include important information while filling out a document or form. Ensure accurate and consistent data entry by adding required fields to your docs.

Free to test
Fast to deploy
Powerful & secure

Create required fields and insert them into your document

This sample code allows you to add required fields to a document so that no important data is missed by a signer.

Node.js

C#

Java

Python

cURL

Copy code

public abstract class FieldRequestBase
    {
        public abstract string type { get; }
        public bool required { get; set; }
        public string template_field_id { get; set; }
        public string role { get; set; }
        [JsonProperty(NullValueHandling = NullValueHandling.Ignore)]
        public string name { get; set; }
        public int page_number { get; set; }
        public int x { get; set; }
        public int y { get; set; }
        public int width { get; set; }
        public int height { get; set; }
    }
    public class DocumentUpdateRequestModel
    {
        public List<FieldRequestBase> fields { get; private set; } = new List<FieldRequestBase>();
    }
    public class SignatureFieldRequest : FieldRequestBase
    {
        public override string type { get { return "signature"; } }
    }
    class Program
    {
        static void Main(string[] args)
        {
            var accessToken = "Your ACCEES TOKEN";
            var apiBaseUrl = "SignNow API URL e.g.: https://api-eval.signnow.com";
            var documentId = "Your document ID";

if (response.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception(response.Content);
            }
        }
    }

import signnow_python_sdk
from datetime import datetime

if __name__ == '__main__':
    signnow_python_sdk.Config(client_id="CLIENT_ID",
                              client_secret="CLIENT_SECRET",
                              environment="production")

# Enter your own credentials
    username = "USER_NAME"
    password = "USER_PASSWORD"
    template_id = "TEMPLATE_ID"

# Create access_token for the user
    access_token = signnow_python_sdk.OAuth2.request_token(username, password, '*')

# Create the PUT /document payload
    doc_payload = {
        "texts": [
            {
                "size": 22,
                "x": 61,
                "y": 72,
                "page_number": 0,
                "font": "Arial",
                "data": "a sample text element",
                "line_height": 9.075,
                "client_timestamp": datetime.now().strftime("%s")
            }
        ],
        "fields": [
            {
                "x": 61,
                "y": 100,
                "width": 120,
                "height": 34,
                "page_number": 0,
                "role": "Signer 1",
                "required": True,
                "type": "signature"
            },
            {
                "x": 61,
                "y": 160,
                "width": 120,
                "height": 12,
                "page_number": 0,
                "label": "New Label",
                "role": "Signer 1",
                "required": True,
                "type": "text"
            },
            {
                "x": 61,
                "y": 178,
                "width": 41,
                "height": 26,
                "page_number": 0,
                "role": "Signer 2",
                "required": True,
                "type": "initials"
            }
        ]
    }

# Update document template with payload
    put_doc_response = signnow_python_sdk.Template.update(access_token['access_token'], template_id, doc_payload)

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 signNow API is a breeze.
The signNow API not only provides you with eSignatures: use it to create fillable forms, request payments, and download & archive documents using simple API calls.

View full API reference

signNow regularly wins awards for ease of use and setup

Read our reviews on the trusted resources

Tech Data uses signNow to improve our internal and external customer service while increasing our speed to revenue.

Bob Dutkowsky | CEO

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Solution engineers

We are here to help you configure eSignature API to your workflow.

Review 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.

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PHP, Java, C#.

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

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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 signNow API in action

Get started with uninterrupted eSignature API: add required fields to a document you need signed with C# SDK using the API

Consolidate and streamline your eSignature workflows and establish seamless processes. Try the signNow API, implement eSignature workflows into your custom apps and websites in minutes, and seamlessly add required fields to a document you need signed with C# SDK using the API.

Add required fields to a document you need signed with C# SDK using the API the signNow API for uninterrupted eSignature API

Click API on the signNow main page and create your API Sandbox account.
Open your email to confirm the registration and specify a password for accessing your Developer Sandbox environment.
Find the list of your apps at the top of the page. By default, you can also find a Test App for testing the API.
Click its name to access the Client ID and Basic Authorization Token.
Launch the API using the information from the previous step.
Use the code samples from the signNow library.
When you're ready to go live, go to your signNow account and choose a subscription plan.
If you can't find a subscription that suits your needs, contact the Sales team.
Change the test URL in your requests to the production environment URL.
Delight your customers and partners with a streamlined eSignature experience.

The signNow API is straightforward to embed, test, and work with (no sales people engaged). Gain the opportunity to add required fields to a document you need signed with C# SDK using the API easily. Select signNow for more effective eSignature workflows.

How it works

Create an account and access the API Dashboard

Copy required code from the library to add required fields to a document you need signed with C# SDK using the API

Track how your productivity grows with accelerated workflows

Watch our instructions to build custom integrations with ease

signNow offers a free testing environment to explore the eSignature.

Trusted eSignature solution — what our customers are saying

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

Signnow is extremely useful and convenient. Just one suggestion would be when sending out a form with 2 signers but to one email address to make it more convenient for the singer to sign both

5

anonymous

Signnow is extremely useful and convenient. Just one suggestion would be when sending out a form with 2 signers but to one email address to make it more convenient for the singer to sign both signers.

Read full review

Easy to use. Great storage of documents. Excellent workflow when requesting signatures of third parties. Good mobile app, allows signing in blue colored ink. Web based app should allow signin

5

Luis A. P

Easy to use. Great storage of documents. Excellent workflow when requesting signatures of third parties. Good mobile app, allows signing in blue colored ink. Web based app should allow signing in blue or other colors.

Read full review

Is a great tool to utilize for signing documents and very convenient especially during the pandemic and/or getting documents signed from those out of town.

5

Brenda L

Is a great tool to utilize for signing documents and very convenient especially during the pandemic and/or getting documents signed from those out of town.

Read full review