Create fields for text on a document for signature with C# Client using the API

Add text fields anywhere in a document, enter necessary text, and assign a recipient to fill them with data you've specified using the airSlate SignNow API.

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

Insert text fields in a document, adjust their size, and assign recipients you need to fill them.

Make it easy for recipients to quickly add data to your document with fillable fields.

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

Evaluate airSlate SignNow's create fields for text in a document with c client for api

The airSlate SignNow API equips organizations with a distinctive set of features that enhance business workflows. Explore the benefits of our create fields for text in a document with c client for api by signing up for a free Sandbox account.

To create a Sandbox account, follow these instructions:

  1. Navigate to the airSlate SignNow Developers webpage. There, you can find more information about the API and register for your Sandbox account.
  2. Register for a trial. Enter your email address and click the Generate API sandbox button to sign up.
  3. Verify your email address. Check the email you receive and click the link provided to validate your email address.
  4. Access Developer Sandbox. Set a password to gain further access to your developer account.
  5. Include an application. Click Include App, provide a name for your app, and click Save to preserve changes. The app's API token will be generated automatically.
  6. Examine create fields for text in a document with c client for api. Uncover all airSlate SignNow features and how they can enhance your business operations.

Adhere to these guidelines to assess airSlate SignNow's functionalities. If you have any inquiries, feel free to reach out to the support team. Enhance 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 create fields for text on a document for signature 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.

airSlate SignNow simplify eSigning for SMB.
5
Consultant in Information Technology and Services

What do you like best?

Being able to simply load documents for eSignature. Also as a repository for all contracts and other legal documents.

Read full review
Sign now is easy, efficient and affordable!
5
User in E-Learning

What do you like best?

The templates are great. Huge timesaver.

Read full review
I appreciate being able to use airSlate SignNow. Especially as I am having all of my meetings virtually.
5
User in Civic & Social Organization

What do you like best?

I like that I can send it to so many people and that it's very easy to use.

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