Electronic Signature
Developers
Features
API for eSignature Solutions
Apply custom branding to your documents | airSlate SignNow API

Apply custom branding
to specific Documents and Document Groups using the API

Boost the recognition of your brand with a seamless signing experience embedded in your application. Customize signing sessions and eSignature emails for specific Documents and Document Groups with your logo, brand colors, and more.

Free to test
Fast to deploy
Powerful & secure

Take full control of your branding customization

Beyond applying custom branding at the app level, the airSlate SignNow API empowers you to create multiple branding themes and apply them to specific Documents and Document Groups, making it easy to juggle several brands via the API.

cURL

Node.js

C#

Java

Python

.NET

Copy code

{
  "header": {
    "background": "#232323"
  },
  "buttons": {
    "primary": {
      "color": "#232323",
      "background": "#232323",
      "border": "#232323",
      "hover-color": "#232323",
      "hover-background": "#232323",
      "hover-border": "#232323",
      "active-color": "#232323",
      "active-background": "#232323",
      "active-border": "#232323"
    },
    "secondary": {
      "color": "#232323",
      "background": "#232323",
      "border": "#232323",
      "hover-background": "#232323",
      "hover-color": "#232323",
      "hover-border": "#232323",
      "active-color": "#232323",
      "active-background": "#232323",
      "active-border": "#232323"
    },
    "default": {
      "color": "#232323",
      "background": "#232323",
      "border": "#232323",
      "hover-background": "#232323",
      "hover-color": "#232323",
      "hover-border": "#232323",
      "active-color": "#232323",
      "active-background": "#232323",
      "active-border": "#232323"
    },
    "dropdown": {
      "color": "#232323",
      "background": "#232323",
      "border": "#232323",
      "hover-background": "#232323",
      "hover-color": "#232323",
      "hover-border": "#232323",
      "active-color": "#232323",
      "active-background": "#232323",
      "active-border": "#232323"
    }
  },
  "texts": {
    "color": "#232323"
  },
  "icons": {
    "color": "#232323",
    "background": "#232323",
    "border": "#232323",
    "hover-background": "#232323",
    "hover-color": "#232323",
    "hover-border": "#232323"
  }
}

airSlate SignNow provides developers with complete SDKs for every popular language, allowing them to integrate eSignatures without writing a single line of code.
With airSlate SignNow’s detailed documentation, integrating electronic signatures with your app is a breeze.
airSlate SignNow goes beyond eSignatures. Use it to create fillable forms, request payments, and manage your documents securely using simple API calls.

View full API reference

Manage multiple brands through a single application via the API

Customizable signing sessions

Add your logo, apply your branding colors, and customize buttons and text messages in the signer-facing interface to make your distinct visual identity stand out.

Customizable emails

Personalize your eSignature invites, email notifications, and reminders with branded visual elements and custom messages that reflect your brand’s voice.

Configurable interface

Tailor the eSignature interface to meet the specific needs of your application’s various user groups. Enable or disable specific UI elements as needed.

Granular branding management

Branding settings for Documents and Document Groups override the general branding settings at the application level, delivering a deeper level of control over your customizations.

Explore common use cases for multi-brand customizations via embedded eSignature workflows

Educational institutions

Create and apply unique branding themes for each faculty or club to give students and teachers a more engaging signing experience.

eCommerce platforms

Create vendor-specific branding themes for your eCommerce platform to make a professional impression on end users.

Event organization

Collect signatures from participants and organizers of various events, each with its own unique theme.

Multi-branch corporations

Maintain department-specific branding across documents and eSignature invitation emails in large companies and enterprises.

Marketing agencies

Manage several client brands by easily customizing and applying different branding themes to each client's documents and templates.

Franchise management

Manage multiple franchises with their own distinct branding. Create and apply unique branding themes for each franchise.

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

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.

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

Start building your eSignature integration with a quick video guide

Watch the video tutorial to kick-start your project.

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.

I couldn't conduct my business without contracts and...

5

Dani P

I couldn't conduct my business without contracts and this makes the hassle of downloading, printing, scanning, and reuploading docs virtually seamless. I don't have to worry about whether or not my clients have printers or scanners and I don't have to pay the ridiculous drop box fees. Sign now is amazing!!

Read full review

airSlate SignNow

5

Jennifer

My overall experience with this software has been a tremendous help with important documents and even simple task so that I don't have leave the house and waste time and gas to have to go sign the documents in person. I think it is a great software and very convenient.

airSlate SignNow has been a awesome software for electric signatures. This has been a useful tool and has been great and definitely helps time management for important documents. I've used this software for important documents for my college courses for billing documents and even to sign for credit cards or other simple task such as documents for my daughters schooling.

Read full review

Easy to use

5

Anonymous

Overall, I would say my experience with airSlate SignNow has been positive and I will continue to use this software.

What I like most about airSlate SignNow is how easy it is to use to sign documents. I do not have to print my documents, sign them, and then rescan them in.

Read full review