India Stack API (Download PDF)


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India Stack is set of APIs that allows govt. , businesses, startups & developers to utilise unique digital Infrastructure to solve India’s hard problems towards presence-less, paperless & cashless service delivery.

Image of India Stack API

Image of India Stack API

Image of India Stack API

Open API team at iSPIRT is pro-bono partner in development, evolution, & evangelisation of these APIs systems.

Technology Layers

4 distinct technology layers provided are

  • Presenceless layer: Where universal biometric digital identity allows people to participate in any service from anywhere in country.

  • Paperless layer: Where digital records move w/individual’s digital identity, eliminating need for massive amount of paper collection & storage.

  • Cashless layer: Where single interface to all country’s bank accounts & wallets to democratize payments.

  • Consent layer: This allows data to move freely & securely to democratize market for data.

APIs Included in India Stack

APIs are considered to be core part of India Stack.

  • Aadhaar Authentication

  • Aadhaar e-KYC

  • eSign

  • Digital Locker

  • Unified Payment Interface (UPI)

  • Digital User Consent - still work in progress.

Following APIs are considered to be societal platforms built on similar principles like India Stack:

  • GSTN - Goods & Services Tax Network

  • BBPS - Bharat Bill Payment System

  • ETC - Electronic Toll Collection (known under brand FASTag)


  • Citizens: Brings millions of Indians into formal economy by reducing friction.

  • Software ecosystem: Fosters innovation to build products for financial Inclusion, healthcare & educational services at scale.

  • Government: Brings paradigm shift in way govt. services are delivered in transparent, accountable & leakage free model.

Evolution of India Stack

  • UIDAI was created w/objective to issue Unique Identification numbers (UID), named as “Aadhaar”.

  • UIDAI launched Aadhaar Auth API even before 1st Aadhaar was issued.

  • NPCI launched Aadhaar Payments Bridge & Aadhar Enabled Payments System which uses Aadhaar number as central key for electronically channelizing Govt. benefits & subsidies.

  • UIDAI launched eKYC, which allows businesses to perform Know Your Customer verification process digitally using Biometric or Mobile OTP.

  • CCA launches eSign as open API to facilitate Aadhaar holder to digitally sign document & MeitY launches DigiLocker, platform for issuance & verification of documents & certificates in digital way, thus eliminating use of physical documents

  • NPCI launches Unified Payments Interface, most advanced public payments system in world to revolutionise digital payments in India

  • NeGD launches DigitalLocker, platform for issuance & verification of documents & certificates in digital way

- Published/Last Modified on: January 23, 2019

Govt. Schemes/Projects, Computers & ICT

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