Electronic Signature
Developers
Features
API for eSignature Solutions
airSlate SignNow Esignature API to Prefill smart fields

Use airSlate SignNow Esignature API to Prefill smart fields

Edit a Word document, add fields, and customize it as you need. Collect signatures after importing a Word document directly to your airSlate SignNow account using the API. Make it easy for recipients to fill your document.

Free to test
Fast to deploy
Powerful & secure

Adapt a simple Word document for signing by importing it into airSlate SignNow with all necessary fields for filling

Add text tags for required fields and determine their width and height. They will be automatically added after the document is opened in airSlate SignNow

Node.js

C#

Java

Python

cURL

Copy code

public partial class RestSharpSamples
    {
        /// <summary>
        /// Uploads a File and Creates a Document
        /// Accepted File Types: .doc, .docx, .pdf, .png
        /// </summary>
        /// <param name="accessToken"></param>
        /// <param name="filePath">Local Path to the File</param>
        /// <param name="apiUrl">Api host url</param>
        /// <param name="extractFields">If set TRUE the document will be checked for special field tags. If any exist they will be converted to fields.</param>
        /// <returns>ID of the document that was created</returns>
        public static CreateResponseModel UploadFile(string accessToken, string filePath, string apiUrl, bool extractFields = false)
        {
            var client = new RestClient { BaseUrl = new Uri(apiUrl) };
 
            var path = "/document" + (extractFields ? "/fieldextract" : string.Empty);
 
            var request = new RestRequest(path, Method.POST)
                .AddHeader("Accept", "application/json")
                .AddHeader("Authorization", "Bearer " + accessToken)
                .AddFile("file", Path.GetFullPath(filePath));
 
            var response = client.Execute(request);
             
            
            if (response.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception(response.Content);
            }
 
            return JsonConvert.DeserializeObject<CreateResponseModel>(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.
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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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Protects the private health information of your patients.

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Watch the airSlate SignNow API in action

Evaluate airSlate SignNow's signnow esignature api to prefill smart fields

The airSlate SignNow API provides organizations with a distinct array of functionalities that facilitate more effective business processes. Discover the benefits of our signnow esignature api to prefill smart fields by signing up for a free Sandbox account.

Follow these instructions to set up a Sandbox account:

Navigate to the airSlate SignNow Developers page. There you can find additional information regarding 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. Open the email you receive and follow the provided link to confirm your email.
Access Developer Sandbox. Establish a password to allow further entry to your developer account.
Include an application. Click Add App, assign a name to your app, and click Add to save the changes. The API token for the app will be generated automatically.
Explore signnow esignature api to prefill smart fields. Delve into all airSlate SignNow features and how they can improve your business operations.

Complete these steps to test airSlate SignNow's functionalities. You can reach out to the support team if you have any inquiries. Elevate your business processes with airSlate SignNow today.

How it works

Create an account and get the required tokens

Use code samples to use airSlate SignNow Esignature API to Prefill smart fields

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.

airSlate SignNow

5

Zack Stevens

What do you like best?

The price of the product is great. Functionality could be made more simple with correct sizing of boxes.

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Fast, reliable, cost effective eSignature systems

5

Consultant in Management Consulting

What do you like best?

Compared to competitive systems, this one gives me the best flexibility at the lowest cost. Introduced to me by my CPA, I found it easier and faster to use. I highly recommend this system.

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Very user friendly and achieves great results!

5

User in Leisure, Travel & Tourism

What do you like best?

Our business used to be paper and pen based and dealing with international clients took an age to receive completed documents. This has been a game changer for our business.

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