Surepass vs SignYu: Aadhaar eSign API compared
A verification and KYC API platform whose SureSign product includes an Aadhaar eSignature API.
Last verified 2026-10-01
At a glance
| SignYu | Surepass | |
|---|---|---|
| Pricing model | Monthly API access plus pay per signature | Not published, quote based (Get API Key form or Contact Sales) |
| Published price | ₹999/month + ₹15/signature | Not published |
| Minimum commitment | None | Not published |
| Trial or sandbox | 3-day free trial | Sandbox credentials are advertised on the eSign and API key pages. |
| Self serve signup | Yes | No, via sales |
| SDKs | Official Node.js and Python SDKs, OpenAPI spec | Homepage lists integrations for iOS, Android, React Native, Salesforce, Zoho Catalyst and Craft Silicon, with code samples in cURL, Python, JavaScript and Java. |
| Webhooks | Yes, HMAC SHA-256 signed | Real-time webhook callbacks for signature completion, failures and timeouts. |
| Focus | Aadhaar eSign for SMBs and developers | Broad KYC and verification API suite for lending and onboarding |
About Surepass
Surepass sells a large catalogue of verification APIs (its signup page describes 300+) aimed at onboarding and lending, and SureSign covers Aadhaar eSign alongside separate Face, Iris, Biometric and NSDL eSign products. Its eSign page advertises sandbox credentials and real-time webhook callbacks for signature completion, failures and timeouts. Pricing is not published: the pricing page routes to an API key request form or sales.
- Aadhaar eSign API with sandbox credentials
- Separate Face, Iris, Biometric and NSDL eSign products
- Real-time webhooks for completion, failure and timeout
- Part of a large verification API catalogue
Choose Surepass if
- You need eSign plus many KYC checks (PAN, bank, Aadhaar, and so on) from one vendor
- You need biometric, face or iris based eSign in addition to OTP
- You prefer a negotiated quote sized to your volume
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 Surepass publish its Aadhaar eSign API price?
No. As of October 2026 the Surepass pricing page asks you to request an API key or contact sales, and no per-eSign price is listed publicly.
Can I test Surepass before paying?
Surepass says it provides sandbox credentials. Access starts with a form, after which its team contacts you.
How is SignYu priced for API use?
SignYu charges ₹999/month for API access plus ₹15 per signature on credit packs of 10 or more. Prices include GST, and the API subscription starts with a 3-day free trial.
Sources for Surepass: surepass.io, surepass.io, surepass.io, surepass.io. Prices and features change; confirm with Surepass before deciding.