Preview a document before sending it for signing with C# SDK using the API

Double check your document before sending a signature request using the airSlate SignNow API. airSlate SignNow's Document Preview feature allows you to view your document as the recipient who will complete and sign it.

  • Free to test
  • Fast to deploy
  • Powerful & secure

Ensure the accuracy of a document before sending it out

Use the airSlate SignNow API to preview your document before sending a signature request

Copy code
  • 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.

airSlate SignNow regularly wins awards for ease of use and setup

Read our reviews on the trusted resources

Tech Data uses airSlate SignNow to improve our internal and external customer service while increasing our speed to revenue.
Bob Dutkowsky CEO
Bob Dutkowsky | CEO

Select an API package for your business

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

Check API pricing

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.

GDPR compliance
GDPR compliance
Regulates the use and holding of personal data belonging to EU residents.
SOC 2 Type II Certified
SOC 2 Type II Certified
Guarantees the security of your data & the privacy of your clients.
PCI DSS certification
PCI DSS certification
Safeguards credit/debit card data for every monetary transaction a customer makes.
21 CFR Part 11
21 CFR Part 11
FDA-backed standards for electronic documentation and electronic signatures.
HIPAA compliance
HIPAA compliance
Protects the private health information of your patients.
CCPA compliance
CCPA compliance
Enhances the protection of personal data and the privacy of California residents.

Watch the airSlate SignNow API in action

Explore airSlate SignNow's preview a document before sending it for signing with c sdk for api

The airSlate SignNow API provides organizations with an exceptional range of features that facilitate more efficient business processes. Uncover the advantages of our preview a document before sending it for signing with c sdk for api by creating a complimentary Sandbox account.

To set up a Sandbox account, follow these instructions:

  1. Navigate to the airSlate SignNow Developers page. Here, you can find additional information about the API and sign up for your Sandbox account.
  2. Register for a trial. Enter your email address and click the Create API sandbox button to complete your registration.
  3. Verify your email address. Check your inbox for an email and follow the link to confirm your email address.
  4. Access Developer Sandbox. Set a password to gain ongoing access to your developer account.
  5. Add an application. Click Add App, provide a name for your app, and click Add to save the changes. The API token for the application will be generated automatically.
  6. Evaluate preview a document before sending it for signing with c sdk for api. Explore all the functionalities of airSlate SignNow and how they can improve your business operations.

Adhere to these guidelines to assess the features of airSlate SignNow. Should you have any inquiries, feel free to reach out to the support team. Optimize 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 preview a document before sending it for signing with C# SDK 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.

Great Service, easy to use.
5
User in Information Technology and Services

What do you like best?

The system is simple and easy to use. You don’t need any training to use it, and it’s easy for those receiving a request for signature to access and sign.

Read full review
Easy to use and secure.
5
User in Financial Services

What do you like best?

I like the the drag and drop feature in the web version. Also the fact that I can email docs straight from the app/website.

Read full review
Excellent resource for our business needs
5
Administrator in Health, Wellness and Fitness

What do you like best?

What I love about airSlate SignNow is that it is extremely easy to use. I simply save documents as a pdf and them upload them. I can customize documents. I also love that we can CC people on the email and get notifications. I love that we can resend the document. I also love that it notifies people that the document needs to be signed.

Read full review

Ready to get started?

FAQs

Below is a list of the most common airSlate SignNow API questions and answers. Just choose a question to view a detailed answer.

Need help? Contact support

Ready to get started?

It’s time to watch the airSlate SignNow API in action. Create your developer account and upload documents, request signatures, and check the status of your document.

Why choose the airSlate SignNow API?:

  • Free to test and easy to deploy
  • SDKs for popular languages
  • Customizable for any workflow
  • Industry-leading security & compliance