Allow recepients to choose to sign or refuse to sign a document with C# Client using the API

Let your recepient give reasons for refusing to sign a document, suggest their corrections, and collect their signature after using the airSlate SignNow API. A discussion will be opened after sending a document for signing.

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

Allow your recipients to decline or postpone signing a document

Let your recepients promptly inform you about their refusal to sign

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  • 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.

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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.

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

Evaluate airSlate SignNow's allow recepients to choose to sign or refuse to sign a document with c client for api

The airSlate SignNow API provides organizations with an exclusive array of tools that facilitate more effective business processes. Explore the advantages of our allow recepients to choose to sign or refuse to sign a document with c client for api with a complimentary Sandbox account.

Complete the following steps to establish a Sandbox account:

  1. Visit the airSlate SignNow Developers site. There you will find additional information regarding the API and can register for your Sandbox account.
  2. Enroll for a trial. Enter your email address and click the Create API sandbox button to complete your registration.
  3. Verify your email address. Access the email that you receive and follow the link to confirm your email address.
  4. Access Developer Sandbox. Generate a password to allow continued access to your developer account.
  5. Create an application. Click Add App, designate a name for your app, and click Add to apply the changes. The API token for the app will be generated automatically.
  6. Assess allow recepients to choose to sign or refuse to sign a document with c client for api. Discover all airSlate SignNow features and how they can enhance your business operations.

Adhere to these steps to explore airSlate SignNow's capabilities. 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 get the required tokens
Use code samples to allow recepients to choose to sign or refuse to sign a document with C# Client using the API
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.

Very easy to navigate, easy to use and learn ( literally can learn how everything works within 10 minutes) and you're off and ready to work. Love this system!
5
Jacqui

Very easy to navigate, easy to use and learn ( literally can learn how everything works within 10 minutes) and you're off and ready to work. Love this system!

Read full review
During this pandemic our Board of Commissioners has been meeting virtually to conduct business, signing documents was a challenge. But not since using airSlate SignNow. We of course pasted a
5
Brenda Lee Bright B

During this pandemic our Board of Commissioners has been meeting virtually to conduct business, signing documents was a challenge. But not since using airSlate SignNow. We of course pasted a resolution allowing E Signatures but are all set now! Brenda Barker Graham Fire & Rescue

Read full review
It's very intuitive. When doing a multi-sign document, the colors make the different signers stand out. It's a much better experience than Adobe Sign which is very confusing.
5
anonymous

It's very intuitive. When doing a multi-sign document, the colors make the different signers stand out. It's a much better experience than Adobe Sign which is very confusing.

Read full review

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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