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

Apply custom branding
to outgoing eSignature emails using the API

Make a professional impression on your signers with branded eSignature invites, reminders, and notification emails. With the airSlate SignNow API, you can tailor every aspect of your eSignature emails to reflect your brand's unique identity.

Free to test
Fast to deploy
Powerful & secure

Reflect your brand’s voice and visual style with custom eSignature emails

In addition to custom signing sessions (signer-facing interface), the airSlate SignNow API empowers you to adjust the look and feel of emails that notify signers about incoming signature requests, pending invites, document statuses, etc. Plus, you can set the language preferences for users across different regions, ensuring a seamless and personalized signing experience for everyone involved.

Customize general branding parameters for emails

Customize eSignature invite emails

cURL

Copy code

curl --request PUT \
    --url https://api-eval.signnow.com/v2/brands/brand_id/resources/email-invite \
    --header 'Accept: application/json' \
    --header 'Authorization: ' \
    --header 'Content-Type: application/json' \
    --data '{
    "en": {
        "subject": "My custom subject {document_name}",
        "body_header": "Body header message",
        "body_message": "Body message {document_name}",
        "footer_message": "Footer message EN",
        "from": "From user ",
        "expiration": "Expiration message {days}"
    },
    "fr": {
        "subject": "My custom subject {document_name}",
        "body_header": "Body header message",
        "body_message": "Body message {document_name}",
        "footer_message": "Footer message",
        "from": "From user",
        "expiration": "Expiration message {days}"
    },
    "es": {
        "subject": "My custom subject {document_name}",
        "body_header": "Body header message",
        "body_message": "Body message {document_name}",
        "footer_message": "Footer message",
        "from": "From user",
        "expiration": "Expiration message {days}"
    }
}'

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

Brand your eSignature emails to make them pop

Customize all types of outgoing emails

Apply a single brand theme to all of your emails or customize each email type individually, including signing invites, reminders, and document status emails.

Make your emails recognizable

Align the look of your eSignature emails with your brand’s visual style by adding your logo, adjusting its position, and applying your brand’s colors.

Personalize your message

Maintain your trademark communication style by customizing your email’s body, subject text, footer, and the sender’s contact email address.

Speak your recipients’ language

Set the language preference for your eSignature emails. Select English, French, or Spanish with more options arriving soon.

Explore common use cases for branded eSignature communications

Empowering global operations

Set language preferences for users in different regions to offer a personalized and user-friendly signing experience.

Maintaining brand consistency

Maintain brand consistency across all communication channels by projecting your brand’s image through eSignature emails.

Marketing campaigns

Customize email notifications for each marketing campaign that involves signature collection to reflect various campaign themes and enhance customer engagement.

Collecting approvals in education

Tailor the appearance of eSignature requests to align with school branding and enhance recognition among students and staff.

Event planning

Customize eSignature email notifications to match a specific event theme, creating a cohesive experience for participants and organizers.

Franchise management

For businesses with multiple franchises, create a unique, branded signing experience for each franchise you operate.

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.

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.

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.

This service is really great! It has helped...

5

anonymous

This service is really great! It has helped us enormously by ensuring we are fully covered in our agreements. We are on a 100% for collecting on our jobs, from a previous 60-70%. I recommend this to everyone.

Read full review

I've been using airSlate SignNow for years (since it...

5

Susan S

I've been using airSlate SignNow for years (since it was CudaSign). I started using airSlate SignNow for real estate as it was easier for my clients to use. I now use it in my business for employement and onboarding docs.

Read full review

Everything has been great, really easy to incorporate...

5

Liam R

Everything has been great, really easy to incorporate into my business. And the clients who have used your software so far have said it is very easy to complete the necessary signatures.

Read full review