Making payments using Free Software: Difference between revisions

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[[NUUP]] is a service by the NCPI that allows you to make UPI transactions on any 2G capable phone, by dialling *99# from the number linked to your bank account.

While NUUP is theoretically supposed to work on all USSD supporting carriers in India (all the provider apart from Jio), the service is not very well maintained and keeps going down, or, in some cases, doesn't work at all. Specifically, it has never been observed to work with BSNL, ~~is often down~~ with Airtel, and works reasonably well with Vi but with a bug preventing one from entering new UPI IDs (so one has to always pay using a UPI number, hoping the intended recipient has configured it)

While NUUP is theoretically supposed to work on all USSD supporting carriers in India (all the provider apart from Jio), the service is not very well maintained and keeps going down, or, in some cases, doesn't work at all. Specifically, it has never been observed to work with BSNL, observed to work only in some cities with Airtel or Vi, and works reasonably well with Vi but with a bug preventing one from entering new UPI IDs (so one has to always pay using a UPI number, hoping the intended recipient has configured it)

=== 123PAY ===

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=== LibreFin ===

The [https://librefin.in LibreFin] project (under construction) aims to create a Free Software UPI app using reverse-engineered APIs. It ~~is expected to be~~ demoed at the IndiaFOSS 2025 conference in Bengaluru<sup>[https://fossunited.org/c/indiafoss/2025/cfp/c1ujjkgd9c]</sup>.

The [https://librefin.in LibreFin] project (under construction) aims to create a Free Software UPI app using reverse-engineered APIs. It was demoed at the IndiaFOSS 2025 conference in Bengaluru<sup>[https://fossunited.org/c/indiafoss/2025/cfp/c1ujjkgd9c]</sup>. A payment was successfully done using a command line interface.

=== Create a QR to receive money ===

If you carry cash, but don't have change, you can create a QR for your UPI id. Take UPI address from an existing QR, replace UPI id with yours and then generate QR for your UPI urls using any online QR generators.

You can show the image on your phone or carry a print out. This can work well for autos and taxies (tried and tested). But in shops it may not work if they have setup to receive only. You can try giving cash to someone, either the worker or another willing customer, they can then do two QR payments (one to shop and then return change to you).

== Immediate Payment Service (IMPS) ==

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 [[NUUP]] is a service by the NCPI that allows you to make UPI transactions on any 2G capable phone, by dialling *99# from the number linked to your bank account.
-While NUUP is theoretically supposed to work on all USSD supporting carriers in India (all the provider apart from Jio), the service is not very well maintained and keeps going down, or, in some cases, doesn't work at all. Specifically, it has never been observed to work with BSNL, is often down with Airtel, and works reasonably well with Vi but with a bug preventing one from entering new UPI IDs (so one has to always pay using a UPI number, hoping the intended recipient has configured it)
+While NUUP is theoretically supposed to work on all USSD supporting carriers in India (all the provider apart from Jio), the service is not very well maintained and keeps going down, or, in some cases, doesn't work at all. Specifically, it has never been observed to work with BSNL, observed to work only in some cities with Airtel or Vi, and works reasonably well with Vi but with a bug preventing one from entering new UPI IDs (so one has to always pay using a UPI number, hoping the intended recipient has configured it)
 === 123PAY ===
@@ Line 30: / Line 30: @@
 === LibreFin ===
-The [https://librefin.in LibreFin] project (under construction) aims to create a Free Software UPI app using reverse-engineered APIs. It is expected to be demoed at the IndiaFOSS 2025 conference in Bengaluru<sup>[https://fossunited.org/c/indiafoss/2025/cfp/c1ujjkgd9c]</sup>.
+The [https://librefin.in LibreFin] project (under construction) aims to create a Free Software UPI app using reverse-engineered APIs. It was demoed at the IndiaFOSS 2025 conference in Bengaluru<sup>[https://fossunited.org/c/indiafoss/2025/cfp/c1ujjkgd9c]</sup>. A payment was successfully done using a command line interface.
+=== Create a QR to receive money ===
+If you carry cash, but don't have change, you can create a QR for your UPI id. Take UPI address from an existing QR, replace UPI id with yours and then generate QR for your UPI urls using any online QR generators.
+You can show the image on your phone or carry a print out. This can work well for autos and taxies (tried and tested). But in shops it may not work if they have setup to receive only. You can try giving cash to someone, either the worker or another willing customer, they can then do two QR payments (one to shop and then return change to you).
 == Immediate Payment Service (IMPS) ==