Aadhar e-sign API - Setu API

Overview

• Aadhar e-sign API by Setu is gateway for Aadhar eSign.
• It is designed to collect legally binding signatures on a document, with the capacity for up to 6 signers.
• It serves as a critical tool, particularly in the FinTech industry, for seamless customer onboarding.

Major Customers Using It

• Major Banks in India
• Leading Non-Banking Financial Companies (NBFCs)

Features & Integrations

• Collects legally binding e-signatures
• Supports up to 6 signers on a single document
• Ready-to-use, customisable screens
• High conversion rates
• Notable integration with government databases for verification

Use Cases

• Primarily used for customer onboarding in FinTech industry
• Can also be used for contract signing, document verification, and more

Documentation Link

• The API documentation can be found at: https://docs.setu.co/data/esign/quickstart.

Developer Support

• Setu provides comprehensive developer support through community forums, support channels, and resources.
• There are dedicated support teams available for troubleshooting.

Advantages

• Provides legally binding e-signatures
• Ensures secure and seamless digital transformation
• High conversion rates with ready-to-use, customisable screens
• Dedicated developer support

Company Information

• Setu is an API infrastructure company that acts as a bridge between businesses and banks.
• The company was founded in 2019 and is based in Bengaluru, India.

Year Company Founded

• Setu was founded in 2019.

Social Profile Links

Linkedin: (Setu Linkedin)

FAQs

• What is Setu E-sign?
  Setu E-sign is a digital signing product that enables individuals to electronically sign documents using Aadhaar-based authentication. It’s compliant with the IT Act and provides legally valid e-signatures.

• What is Aadhar e-sign API by Setu?
  Aadhar e-sign API is India’s first Aadhaar eSign gateway designed to collect legally binding signatures on a document. It supports up to 6 signers and is widely used in the FinTech industry for onboarding and contract workflows.

• What can I do with this product?
  You can:

  • Create signature requests for documents
  • Get Aadhaar-based e-signatures from users
  • Track the signing status
  • Download signed documents
  • Set signer positions and use ready-to-use UI components

• Who uses Setu’s e-sign APIs?

  • Major Indian banks
  • Leading NBFCs and FinTech companies
  • Businesses involved in digital onboarding or remote document verification

• What are the steps to integrate Setu e-sign API?
  To integrate:

  • Upload or share the document link
  • Create a signing request using the API
  • Redirect the user to the signing URL
  • Receive webhook callback on signing completion
  • Download the signed document

• Can we pass the document URL instead of uploading it?
  Yes. You can pass a publicly accessible document URL in the signing request, instead of uploading the file.

• Can the e-sign process support multiple signers?
  Yes. Setu’s e-sign API supports up to 6 signers on a single document.

• What are the eSign match scenarios?
  E-sign match scenarios are:

  • Exact match: All Aadhaar details match perfectly
  • Fuzzy match: Slight mismatch in name; you can set tolerance percentage
  • Mismatch: Document not signed if mismatch beyond threshold

• Is the birth year and display name mapped with Aadhaar info?
  Yes. The system uses birth year and name for Aadhaar-based identity verification and match scoring.

• How can we change the fuzzy match percentage?
  You can set the match tolerance level in your e-sign configuration profile by contacting Setu support.

• Can we password protect the signed document?
  Yes. Setu allows you to configure a password for the signed document. The password must be shared with the user separately.

• Can we set a custom sign location on the document?
  Yes. You can specify the exact signature location by using anchor tags or page/coordinate-based placement during request creation.

• What are the benefits of using Setu’s e-sign API?

  • Legally binding Aadhaar-based signatures
  • Seamless integration
  • High conversion rates
  • Customisable UI
  • Developer-first support ecosystem

• What are the main use cases?

  • Customer onboarding
  • Loan applications
  • Agreement signing
  • KYC documentation
  • E-mandates and compliance workflows

• Where can I find the documentation?
  API Quickstart Documentation

• Does Setu offer developer support?
  Yes. Setu offers:

  • Community forums
  • Dedicated support channels
  • Comprehensive integration guides