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How to Test Payment Flows in Mobile Apps Without Test Cards Failing Every Sprint

Jay Saadana on June 22, 2026

Your payment tests passed in staging. Then PhonePe pushed an SDK update on Tuesday, the UPI intent deep link stopped launching on Samsung devices, ...
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Mudassir Khan

the callback failure in point 3 is one of those failures that's hard to reproduce in a sandbox but shows up at scale in prod: UPI app completes its side, POST never arrives, user is stuck on a frozen "Processing" screen.

standard remediation is an async reconciliation job: poll the provider's status endpoint for transactions that stay "pending" past a threshold, resolve order state independently of the callback. callback is the fast path, reconciliation is the fallback that saves revenue when the POST never shows up.

curious whether Drizz's visual layer catches the state transition when that reconciliation triggers asynchronously, or does it fall outside the test window?

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Mohammad Hassan Shaikh

That PhonePe example is too real. There’s nothing worse than an unannounced SDK or OS update completely breaking a critical payment flow silently. Looking forward to reading how Vision AI handles those unpredictable UI changes!

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Hasini

Really insightful read. The examples around UPI failures, callback issues, and SDK updates perfectly capture the challenges of payment automation. Thanks for sharing these practical testing strategies!

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Sargam Ghagre

Great share

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Archa S

Great share..

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Prasiddhi Mishra

Omgg that's so cool!!!

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Aritro Bag

Great read! The section on why payment tests become so fragile with third-party SDK updates was especially noticeable.

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Aharshi Sinha • Edited

Great point. Payment flows are one of the hardest areas to automate, yet the cost of failure is also huge.

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Guduru Ahallika

Helpful abt payment cards

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shri subashini

Great insights! Payment testing is often underestimated, but even small failures can directly impact user trust and revenue. The layered testing approach explained here is very practical.

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Archit Singhal

This is really very helpful sir πŸ™‚.

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Anshu Sachdev

insightful!

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Sri Charan

Great point. Payment flows are one of the hardest areas to automate, yet the cost of failure is also huge.

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Mithali Sanjay Phadtare

Great share

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Jagriti Uppal

Great share

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Aditya Sharma

helpful insights

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S Y TRISHANTH SAI

Great share

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Rakhi Badan

Great

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Rakshit Maheshwari

Great share!

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Aditya Mahajan

Useful insights given, really appreciated

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Pratyush Murmu

Great one

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Diksha

Insughtful!

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Prasiddhi Mishra

Waaooo, that's really cool !!!

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Archit Singhal

Thank you it really helps a lot.

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Pavan Somwanshi

Great information about payment cards

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Ayush Sinha

It's pretty cool & exciting to know about this !

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sailaja

Great share.

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NIKITHA S

For teams supporting multiple payment providers, do you recommend automating every provider's happy path, or prioritizing based on transaction volume?

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nandini goyal

it will be helpful for me after a few days

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Kalyan Prsnl

That good

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Diksha Dhanaji Dabhole

Payment related things were explained in simple way.
Good insight.

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Valaya Dase

Great share!!

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Mitali Kumari

very helpful

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Lakshay Goyal

UPI breaking on Tuesday cause PhonePe pushed an update nobody asked for is just so real lol. The whole "test the screen not the element id" idea actually makes sense though. Nice Read.

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Mahak Kankaria

Great share!

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ANU shka

Great share!

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salonitiwari24

This is very helpful.

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Vaishnavi Pradhan

Great Insights!!

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Sreeram K L

Great share!

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Suhas Kumar D

Great insights on payment testing! πŸš€

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Bhakkti Gautam

Great share..

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Pabitra Maity

Great share

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Dhriti Gupta

Great insights! The layered testing approach and focus on Vision AI for handling third-party SDK changes make payment flow automation much more reliable and maintainable. πŸš€

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Ali Mehdi Mirza

Really helpful

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Arpita Padhi

Helpful

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Madhavi

Great insights on how a small payment module can combine so many tech stacks that make the functionality so smooth

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Marturu Ramyasri

Great insight

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Anwesha Laha

Really insightful

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Manan Garg

A concise and insightful article. Thanks!

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Aditi Agarwal

Informative

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Inzeera Zakariah

Insightful

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SAMI

Very helpful info. Thanks a lot :)

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Jyoti Yadav

Insightful

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Buddhika Darshan

Great share!