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Build vs buy: your own UIDAI integration, or an OVSE API

2 Oct 2026 6 min read

Once you decide to verify identity offline against Aadhaar, the next question is build or buy: stand up your own integration and compliance, or call an API that already does it. Both are legitimate; the right answer depends on your appetite for the plumbing that sits underneath a deceptively simple check.

What building actually involves

  • Implementing UIDAI-signed artefact validation (secure QR and Paperless Offline e-KYC) correctly and keeping it current.
  • Handling the framework and obligations around offline verification.
  • Building for edge cases — malformed artefacts, tampered files, failures.
  • Maintaining it as standards and formats evolve.

What buying gives you

An OVSE API hands you a single call: send the artefact, get a verified result. The provider maintains the signature validation, the edge cases and the no-Aadhaar-number-stored handling, so your team ships the feature instead of the infrastructure. See how to add OVSE via API.

How to decide

  • Time to market — buying is faster; building is a project.
  • Core vs context — is verification your differentiator, or a step you need to just work?
  • Compliance load — who carries the obligation to keep validation correct over time?
  • Total cost — count maintenance and edge cases, not just the first build.

A middle path

Most teams find verification is context, not core — worth buying so engineering can focus on the product. You keep your own UX and flow; the API just returns a verified result.

Buy the verification, keep your product

Certopact Verify provides the OVSE API and Face Liveness so you don't build your own UIDAI integration — Certopact provides the technology to run offline Aadhaar verification. This is general information, not legal advice; confirm your compliance obligations with your own counsel.

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