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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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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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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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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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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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Bhakkti Gautam •

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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Pabitra Maity •

Great share

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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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Jyoti Yadav •

Insightful

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SAMI •

Very helpful info. Thanks a lot :)

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Buddhika Darshan •

Great share!

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Suhas Kumar D •

Great insights on payment testing! πŸš€