What is India Stack?

About India Stack:

• It is a set of Application Programming Interface (APIs) that allows governments, businesses, startups and developers to utilise a unique digital Infrastructure.
• India Stack consists of three layers of open APIs: identity, payments, and data.
• Although the name of this project bears the word India, the vision of India Stack is not limited to one country.
• It can be applied to any nation, be it a developed one or an emerging one.
• The four distinct technology layers provided are
  • Presenceless layer: Where a universal biometric digital identity allows people to participate in any service from anywhere in the country.
  • Paperless layer: Where digital records move with an individual’s digital identity, eliminating the need for massive amount of paper collection and storage.
  • Cashless layer: Where a single interface to all the country’s bank accounts and wallets to democratise payments.
  • Consent layer: Which allows data to move freely and securely to democratize the market for data?
• Some of the APIs that are a central part of India Stack: Aadhaar Proof, Aadhaar e-KYC, e-Sign, Digital Locker, Unified Payment Interface
• The Open API team at iSPIRT has been a pro-bono partner in the development, evolution, and evangelisation of these APIs and systems.

What is API?

• In the context of APIs, the word Application refers to any software with a distinct function.
• Interface can be thought of as a contract of service between two applications.
• This contract defines how the two communicate with each other using requests and responses.
• Their API documentation contains information on how developers are to structure those requests and responses.

Q1) What is Unified Payment Interface?

Unified Payment Interface (UPI) is a real-time payment system introduced by the National Payments Corporation of India (NPCI) in 2016. It is a revolutionary technology that enables instant money transfers between different bank accounts in India.

Source: India-Papua New Guinea sign MoU for India Stack collaboration

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