Hacker ApprovedDepartments

Unified Payments Interface (UPI)

Hacker Approved

Ranked 11 of 12 payment systems by recommenders

Free, instant bank-to-bank payments in India that people widely praise as a success and a de facto standard.

Free, instant bank-to-bank payments in India that people widely praise as a success and a de facto standard.

11 people gave an opinion

recommend it
10
criticize it
1
approval share
91%
Each figure is one person. RecommendsCriticizes

Recommended in 7 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 10 people recommend itNeeds 10 or more, met.
  • 10 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 7 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Free instant payments, no bank fees

    “Real-time payment rails that works 24/7 365 days a year from any bank to any bank (domestic, no exceptions) for free is truly a game-changer.”

    Comment from 11 Jul 2026 in “UPI: Anatomy of a Transaction”

    “way better than privately owned banks doing the same while extracting profits from users”

    Comment from 11 Jul 2026 in “UPI: Anatomy of a Transaction”
  • Widely praised as a success

    “An Indian friend of mine, constantly raves about their UPI system”

    Comment from 10 Feb 2026 in “Europe's $24T Breakup with Visa and Mastercard Has Begun”

    “That system seems to have garnered near-universal praise”

    Comment from 10 Feb 2026 in “Europe's $24T Breakup with Visa and Mastercard Has Begun”

    “it's pretty universally considered a success”

    Comment from 25 Nov 2025 in “Trillions spent and big software projects are still failing”

Other payment systems people recommend

The four most recommended other payment systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Unified Payments Interface (UPI) compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Pix651482%11—Approved
UPI (Unified Payments Interface)581283%11—Approved
GNU Taler372659%12——
x40235881%9—Approved
Unified Payments Interface (UPI)This page10191%7—Approved
See all 12 payment systems, ranked

What people said

10 of the 11 comments that mention it, newest first. Each links to the original comment.

“I wouldn't recommend US number as roaming is expensive if you have ATT.”

MixedComment from 7 Oct 2026 in “Visa, Mastercard, major banks facing new litigation over 'anticompetitive' fees”

“It is interesting and should fit in your comparison/references.”

RecommendsComment from 20 Aug 2026 in “How do payments work in the US, China, and Brazil?”

“both upi & cards are backwards”

CriticizesComment from 18 Aug 2026 in “India built the biggest digital payments miracle: Now comes the bill”

“way better than privately owned banks doing the same while extracting profits from users”

RecommendsComment from 11 Jul 2026 in “UPI: Anatomy of a Transaction”

“Real-time payment rails that works 24/7 365 days a year from any bank to any bank (domestic, no exceptions) for free is truly a game-changer.”

RecommendsComment from 11 Jul 2026 in “UPI: Anatomy of a Transaction”

“it's quite the de facto now and UPI Lite had made it even better”

RecommendsComment from 11 Feb 2026 in “Europe's $24T Breakup with Visa and Mastercard Has Begun”

“That system seems to have garnered near-universal praise”

RecommendsComment from 10 Feb 2026 in “Europe's $24T Breakup with Visa and Mastercard Has Begun”

“An Indian friend of mine, constantly raves about their UPI system”

RecommendsComment from 10 Feb 2026 in “Europe's $24T Breakup with Visa and Mastercard Has Begun”

“Good thing is we do not depend on the US of A - The Unified Payments Interface is an Indian instant payment system and protocol completely independent of US behemoths.”

RecommendsComment from 27 Dec 2025 in “Sweden Steps Up Efforts to Reverse the Decline in Cash Usage”

“it's pretty universally considered a success”

RecommendsComment from 25 Nov 2025 in “Trillions spent and big software projects are still failing”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.