Upload a document for signing with text tags with C# Client using the API

Use airSlate SignNow’s API to quickly add text tags to any document, upload and send it for signing. Allow your customers to place text tags in order to preset the location, size and type of various fillable fields.

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

Add text tags to a document

Ensure faster document completion by letting signers upload and fill out documents with text tags for the most commonly used fields.

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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

Examine airSlate SignNow's upload a document with text tags with c client for api

The airSlate SignNow API provides organizations with a distinctive set of features that enhance operational workflows. Discover the benefits of our upload a document with text tags with c client for api by creating a complimentary Sandbox account.

To establish a Sandbox account, follow these instructions:

  1. Navigate to the airSlate SignNow Developers page. There, you will find additional details about the API and can register for your Sandbox account.
  2. Register for a trial. Enter your email address and click the Create API sandbox button to sign up.
  3. Verify your email address. Access the email you receive and follow the link provided to verify your email address.
  4. Access Developer Sandbox. Set up a password to facilitate continued access to your developer account.
  5. Add an application. Click Add App, assign a name to your app, and click Add to save changes. The API token for the application will be generated automatically.
  6. Evaluate upload a document with text tags with c client for api. Discover all airSlate SignNow features and how they can enhance your business operations.

Use these steps to test airSlate SignNow's functionalities. 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 upload a document for signing with text tags with C# Client 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.

Every small business owner that needs professional documents or signed agreements should use this service. It's convenient for your customer and saves you time!
5
anonymous

Every small business owner that needs professional documents or signed agreements should use this service. It's convenient for your customer and saves you time!

Read full review
Sign Now has helped my business so much especially as I have been working remotely. It's easy to use and quickly return signed contracts to my clients.
5
Angela N

Sign Now has helped my business so much especially as I have been working remotely. It's easy to use and quickly return signed contracts to my clients.

Read full review
airSlate SignNow has been a lifesaver throughout the pandemic! We're really grateful to be able to use this technology to continue with our business while keeping everyone safe.
5
Rest Easy Property M

airSlate SignNow has been a lifesaver throughout the pandemic! We're really grateful to be able to use this technology to continue with our business while keeping everyone safe.

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

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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