Cashfree vs SignYu: Aadhaar eSign API compared
A payments company whose Secure ID product includes an Aadhaar eSign API backed by eMudhra and NSDL.
Last verified 2026-10-01
At a glance
| SignYu | Cashfree | |
|---|---|---|
| Pricing model | Monthly API access plus pay per signature | Not published, contact sales |
| Published price | ₹999/month + ₹15/signature | Not published |
| Minimum commitment | None | Not published |
| Trial or sandbox | 3-day free trial | Sandbox available; Cashfree's docs say it requires real Aadhaar numbers and DigiLocker data (mock data not supported). |
| Self serve signup | Yes | Unclear |
| SDKs | Official Node.js and Python SDKs, OpenAPI spec | Not published |
| Webhooks | Yes, HMAC SHA-256 signed | E_SIGN_VERIFICATION_SUCCESS, E_SIGN_VERIFICATION_FAILURE and E_SIGN_VERIFICATION_EXPIRED events with an x-webhook-signature header. |
| Focus | Aadhaar eSign for SMBs and developers | Payments plus verification (Secure ID) for fintechs and merchants |
About Cashfree
Cashfree Payments offers Aadhaar eSign as part of Secure ID, its verification suite, using eMudhra and NSDL infrastructure. Its public docs describe a three step flow (upload a PDF up to 10MB, create the eSign request, check status) and signed webhooks for success, failure and expiry events. The docs note that the sandbox requires real Aadhaar numbers and real DigiLocker data. Pricing is not published.
- eMudhra and NSDL as eSign service providers
- Upload, create request, and status API flow with public reference docs
- Signed webhooks for success, failure and expiry
- Multi-signer and page position placement
Choose Cashfree if
- You already use Cashfree for payments or payouts and want one vendor
- You want a choice of eMudhra or NSDL infrastructure
- You need other Secure ID verification APIs in the same integration
Choose SignYu if
- You want published pricing today: ₹999/month for API access plus ₹15 per signature on credit packs of 10 or more (GST inclusive)
- You want to self-serve: sign up, start a 3-day trial, and create an API key without a sales call
- You only need Aadhaar OTP eSign on PDFs, not a full KYC suite
- You want a small REST API (create, add signers, send, get, certificate) with HMAC-signed webhooks
Frequently asked questions
Does Cashfree publish its Aadhaar eSign price?
No. The Aadhaar eSign page says public pricing is not available and to contact sales.
Can I test Cashfree eSign with dummy data?
According to Cashfree's docs, the sandbox requires real Aadhaar numbers and real DigiLocker data, and mock data is not supported.
How do SignYu webhooks work?
SignYu sends signer.signed and document.completed events to your HTTPS endpoint. Each request carries an X-SignSetu-Signature header with an HMAC-SHA256 of the raw body, which you verify with your endpoint secret.
Sources for Cashfree: www.cashfree.com, www.cashfree.com, www.cashfree.com, www.cashfree.com. Prices and features change; confirm with Cashfree before deciding.