Electronic Signature
Developers
Features
API for eSignature Solutions
Upload a PDF for signing with fillable fields using cURL

Upload a PDF for signing with fillable fields using cURL

airSlate SignNow’s API allows you to speed up the process of document management. Enable your clients to transform any scanned PDF document into a fillable one, upload it to your app or website and send it for signing.

Free to test
Fast to deploy
Powerful & secure

Allow users to upload fillable PDF documents

Use the sample code to enable users to upload PDF files with fillable fields to be completed, eSigned or sent for signature.

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

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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

Get complete SDKs for Node.js, Python,
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.

Learn more

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

Try airSlate SignNow's upload a pdf with fillable fields using curl

The airSlate SignNow API provides organizations with an exclusive array of features that enhance business workflows. Discover the advantages of our upload a pdf with fillable fields using curl with a complimentary Sandbox account.

Steps to create a Sandbox account:

Access the airSlate SignNow Developers page. Here you can find additional details about the API and set up 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. Check the email you receive and follow the link to validate your email address.
Navigate to Developer Sandbox. Create a password to gain further access to your developer account.
Add an application. Click Add App, input your app name, and click Add to save changes. The API token for the application will be created automatically.
Evaluate upload a pdf with fillable fields using curl. Investigate all airSlate SignNow features and how they can enhance your business operations.

Follow these instructions 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 now.

How it works

Create an account and get the required tokens

Use code samples to upload a PDF for signing with fillable fields using cURL

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.

Better than the others!

5

Administrator in Health, Wellness and Fitness

What do you like best?

I like the ease of setting custom fields for populating while allowing both Word and PDF file uploads.

Read full review

Actual, Real Electronic Signature

5

Administrator in Financial Services

What do you like best?

I love that documents can actually be electronically signed with your finger or stylus on smartphones, tablets, and pads! It is your actual signature in an electronic, digital format. :)

Read full review

SAVVY & SIMPLE

5

Agency in Insurance

What do you like best?

Great for non-savvy computer users too. Ease of use from start to finish. From starting the uploading to the loading the information required is terrific.

Read full review