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

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

Use airSlate 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 = "airSlate 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 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.

View full API reference

airSlate SignNow regularly wins awards for ease of use and setup

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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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Solution engineers

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

Review airSlate SignNow’s API documentation

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

Video guides

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

Start with any of our SDKs

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PHP, Java, C#.

Enterprise-grade security and compliance

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

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GDPR compliance

Regulates the use and holding of personal data belonging to EU residents.

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

Experiment with airSlate SignNow's add required fields to a document with c client for api

The airSlate SignNow API provides enterprises with a distinctive set of features that facilitate more effective business operations. Explore the advantages of our add required fields to a document with c client for api by setting up a complimentary Sandbox account.

Complete these actions to establish a Sandbox account:

Visit the airSlate SignNow Developers page. Here, you can discover more details about the API and create your Sandbox account.
Register for a trial. Enter your email address and click on the Create API sandbox button to sign up.
Verify your email address. Check your inbox for a confirmation email and follow the provided link to verify your email address.
Access Developer Sandbox. Set a password to gain ongoing access to your developer account.
Include an application. Click Add App, assign a name to your app, and click Add to apply the changes. The API token for the application will be generated automatically.
Evaluate add required fields to a document with c client for api. Uncover all airSlate SignNow capabilities and how they can elevate your business operations.

Follow these actions to assess airSlate SignNow's functionalities. 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 access the API Dashboard

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

Track how your productivity grows with accelerated 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.

Overall very happy!

5

Lucy W

What do you like best?

The ease and speed with which documents can be sent out and returned. It’s made a big difference to our business.

Read full review

airSlate SignNow for the WIN!

5

Jennifer T

What do you like best?

As a small non-profit organization, we appreciate the accountability and protection these documents afford us with our volunteer teams. This service gives us the ability to gather the captured signature of each volunteer entering our Hope Centers and also uploads the completed time-stamped files directly into our google drive for safe-keeping for an affordable price. We appreciate these services greatly as they save us time and energy.

Read full review

Makes Obtaining Signatures Easy!

5

User in Marketing and Advertising

What do you like best?

I love using signnow because it makes it easier for our clients to sign contracts and SOWs AND makes it easier to track them on my end. I also really like that we get emailed when a signed contract comes through.

Read full review