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

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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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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

Get started with uninterrupted eSignature API: use airSlate SignNow Esignature API to Prefill smart fields

Consolidate and streamline your eSignature workflows and establish seamless processes. Try the airSlate SignNow API, implement eSignature workflows into your custom apps and websites in minutes, and seamlessly use airSlate SignNow Esignature API to Prefill smart fields.

Use airSlate SignNow Esignature API to Prefill smart fields the airSlate SignNow API for uninterrupted eSignature API

Click API on the airSlate 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 airSlate SignNow library.
When you're ready to go live, go to your airSlate 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 airSlate SignNow API is straightforward to embed, examine, and operate (no sales people involved). Gain the opportunity to use airSlate SignNow Esignature API to Prefill smart fields easily. Select airSlate SignNow for more streamlined eSignature workflows.

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.

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

I couldn't conduct my business without contracts and...

5

Dani P

I couldn't conduct my business without contracts and this makes the hassle of downloading, printing, scanning, and reuploading docs virtually seamless. I don't have to worry about whether or not my clients have printers or scanners and I don't have to pay the ridiculous drop box fees. Sign now is amazing!!

Read full review

airSlate SignNow

5

Jennifer

My overall experience with this software has been a tremendous help with important documents and even simple task so that I don't have leave the house and waste time and gas to have to go sign the documents in person. I think it is a great software and very convenient.

airSlate SignNow has been a awesome software for electric signatures. This has been a useful tool and has been great and definitely helps time management for important documents. I've used this software for important documents for my college courses for billing documents and even to sign for credit cards or other simple task such as documents for my daughters schooling.

Read full review