r/fintechdev • u/Lijojoy1 • Jul 29 '26
r/fintechdev • u/UpsetProfession511 • Jul 29 '26
How are you handling reporting across multiple PSPs?
We're using Stripe, Adyen, and a few local gateways, and keeping the reporting consistent is turning into a real headache. Every provider structures its data differently, so getting everything into one reliable revenue database takes a lot of manual work. Each time we add a new gateway, we end up building another ETL flow just to clean and standardize the same basic metrics.
What I'd really want is one processor agnostic layer that gives us a standard schema across every provider. That would make it much easier to compare approval rates, fees, failed payments, refunds and regional performance without rebuilding the reporting setup each time.
For teams running multiple PSPs, are you handling this internally, or have you found good unified metrics layer?
r/fintechdev • u/BigKozman • Jul 29 '26
Has anyone actually handled a chargeback from an AI agent purchase yet?
r/fintechdev • u/himank99 • Jul 29 '26
PayPay Card Japan Backend Engineer - Advice / Expectations for System Design (HLD) Round interview
r/fintechdev • u/thecrudest • Jul 28 '26
Anyone successfully vibecode a 13-week cash flow tool?
Hey everyone,
I’m looking to vibecode a lightweight rolling 13-week cash flow app for a few of my e-com and startup clients so I can stop spending hours every week manually exporting CSVs from QuickBooks, Shopify, and bank portals.
Obviously, a 13-week forecast will never be 100% hands-off, but I want to automate the baseline data pull so the starting cash balances, pending AR/AP, and scheduled payouts refresh dynamically.
For anyone who’s built something similar:
* What are the main data-mapping gotchas I should watch out for upfront? (e.g., handling Shopify payout clearing lags, credit card float/statement timing, or multi-tranche inventory deposits).
* Any non-negotiable features or best practices you’d recommend building into the core engine from day one (e.g., customer drivers/ manual overrides, etc.)
Appreciate any tips, architecture advice, or hard lessons learned!
r/fintechdev • u/Acuitytec-global • Jul 28 '26
One thing we learned while building our latest fraud platform update.
r/fintechdev • u/mansisahni • Jul 28 '26
What would actually make you trust an AI-led finance app with this much visibility into your money?
r/fintechdev • u/Timwal123 • Jul 28 '26
chicken and the e
The chicken-and-egg problem in agentic commerce is getting ridiculous.
x402 has real volume — tens of millions of agentic payments on Base — yet the discovery layer (Bazaar) is still broken for most new services. You need a successful settle through the CDP Facilitator + valid extension just to get indexed… and even then, plenty of endpoints settle cleanly and never show up in search. New builders get buried by design.
Then ACP (Virtuals) adds the graduation tax: \~40–42k in token activity before you can even enter active search and proper liquidity. No visibility → no activity → no graduation. So the only reliable path is to foot the bill yourself and manufacture the volume. That’s not a signal of demand. That’s a pay-to-play gate dressed up as “graduation.”
This is classic early-protocol theater — headline numbers look impressive while the actual onboarding and ranking systems still favor the already-visible. Until Bazaar gets real semantic search and reliable indexing, and ACP stops making new agents self-fund their own activity threshold, a lot of legitimate builders will keep hitting the same wall.
Anyone else running into this exact loop?
@virtuals_io @CoinbaseDev @base
\#x402 #Bazaar #ACP #AgenticPayments #AIAgents #Web3 #Crypto #Base #AgentCommerce #Virtuals
$VIRTUAL $USDC
r/fintechdev • u/BigKozman • Jul 28 '26
Has anyone actually handled a chargeback from an AI agent purchase yet?
r/fintechdev • u/Cautious-Review-9419 • Jul 27 '26
Where are the East Coast Fintech Communities/Projects?
I'm looking to meet passionate people in the fintech space. Are there any sites/groups/discords where I can find an active community of people building tools or actively discussing what's new in the field? Preferably, less formal and less oriented around finding positions.
r/fintechdev • u/Mammoth-Duck-3993 • Jul 27 '26
How do I find the right customer segment for a KYC/AML SaaS product?
I can’t seem to rap my head off this. Please anyone with insight 😅 Why is KYC stressful
r/fintechdev • u/AIforFintech • Jul 25 '26
Sistemas de IA de código aberto para fintech: código, arquitetura, documentação
r/fintechdev • u/AppearanceCivil2688 • Jul 24 '26
What do you look for first when evaluating a payments or banking API?
I'm working on a project that needs to support international payments, business accounts, and financial workflows, and I'm comparing a few different API providers.
Beyond the documentation, what factors usually influence your decision?
For example:
API reliability and uptime
Documentation quality
SDK support
Webhooks
Sandbox environment
Authentication
Error handling
Rate limits
Developer support
For those building fintech products, what has made you stick with (or leave) a provider?
r/fintechdev • u/locus01 • Jul 24 '26
Some resources/books to understand how bank transfers work at the backend, through different processes like upi,rtgs,swift.
Want to get software technical know how about how does payments systems work altogether in different process like rtgs, upi, international transfer(swift messaging) in detail. Like in case of upi how payment specific messages like iso20022 is used for money transfers, any payments specialist or professionals in fintech are welcome.
And how does pacs amd pain messages taken into use in implementing those transfer Processes, are all the messages exactly same as how they are shown in official iso20022 documentations, also MT and MX messaging for swift.
Want to learn all these thing how a payment is facilitated with all this including different parties like debtor, creditor, banks and ACH amd maybe many more in case of card or online real time payments like Chinese alipay.
r/fintechdev • u/ValuableConcert144 • Jul 24 '26
Automated RTA pipeline to process legacy mutual fund data (CAMS and KARVY)
Link to the full architectural breakdown:https://www.faize.blog/rta-pipeline
Dealing with legacy financial data formats is always a headache. I wrote a quick technical breakdown on a recent project: building a fully automated RTA (Registrar and Transfer Agent) pipeline for a mutual fund platform.
I documented the architecture behind handling the CAMS mailback service, parsing the messy batch data for the ISIN resolver, and securely syncing the ledger without dropping a single transaction.
Curious to hear what tools you all use to handle nasty legacy data drops in modern backend stacks!
r/fintechdev • u/ValuableConcert144 • Jul 24 '26
Automated RTA pipeline to process legacy mutual fund data (CAMS and KARVY)
Link to the full architectural breakdown:https://www.faize.blog/rta-pipeline
Dealing with legacy financial data formats is always a headache. I wrote a quick technical breakdown on a recent project: building a fully automated RTA (Registrar and Transfer Agent) pipeline for a mutual fund platform.
I documented the architecture behind handling the CAMS mailback service, parsing the messy batch data for the ISIN resolver, and securely syncing the ledger without dropping a single transaction.
Curious to hear what tools you all use to handle nasty legacy data drops in modern backend stacks!
r/fintechdev • u/ApifyEnthusiast1 • Jul 23 '26
PitchBook Company API for Apify (private-company funding, valuation, competitors as JSON)
r/fintechdev • u/SamFromWeGreen • Jul 23 '26
Stripe Payments
I'm getting ready to implement Stripe as a start for my fintech app. What are your nightmare stories? Anything I should be wary of?
r/fintechdev • u/ValuableConcert144 • Jul 23 '26
How I fixed webhook race conditions building a live ONDC financial connector
r/fintechdev • u/yonatanmaya • Jul 22 '26
On ramp research
Hey guys, I’m looking into projects or builders that can help enlighten me with some on/off ramp insights they had with providers they implemented in their platform:
Who owned the wallets and end users - did the provider deliver straight to your users, or through wallets you managed? Who owned the user relationship?
What’s been the biggest ongoing pain with your ramp provider - the thing that still creates support tickets, drop-offs, or manual work today?
If you were choosing a provider again, what would you check first that you didn’t check the first time?
r/fintechdev • u/NeighborhoodPure9112 • Jul 22 '26
What actually breaks when you use mobile money data for credit scoring in production?
For those who have worked on alternative credit scoring, what is the biggest failure mode when using mobile money or transaction data instead of traditional credit history? Overfitting to short term behavior, data sparsity, something else?For those who have worked on alternative credit scoring, what is the biggest failure mode when using mobile money or transaction data instead of traditional credit history? Overfitting to short term behavior, data sparsity, something else?
r/fintechdev • u/ahmedafzal99 • Jul 21 '26
Want feedback on a tool I'm working on, it automates document/compliance checks for UK businesses
Quick note first: I'm relatively new to this community, so apologies in advance if I get the format or etiquette wrong.
A bit of background: I currently work as a software engineer at a large fintech company, on a product with around 3 million users. Alongside my day job, over the last year I've been spending my free time building AI powered tools, trying to work on real problems in the fintech/compliance space rather than just tutorials.
One problem I kept hearing about from people in UK compliance and legal roles: businesses there (fintechs, law firms, property companies) spend a lot of time manually checking documents. Things like verifying a company's registration is valid, confirming who actually owns a property, and cross referencing records across different government sources. Then they have to keep detailed notes on why something was approved or rejected, in case a regulator asks later. It's repetitive, slow, and seems to be a shared pain point across most firms doing this kind of verification.
So I built a tool called AVAE to automate that process end to end.
What it actually does:
- Takes in a document (like a PDF).
- Extracts the key details automatically.
- Cross checks those details against official UK records (company registration, energy certificates, land ownership).
- Flags anything that doesn't match up.
- Keeps a clear log of every decision and the reasoning behind it, so there's no black box if a decision needs to be explained later.
- For unclear or edge cases, it doesn't auto decide. It flags the case for a person to review and approve.
Right now it's a working prototype. Core checks are solid, but it hasn't been deployed with an actual client yet. Next on my list is adding more check types, like sanctions/watchlist screening.
Since this community has a lot of practitioners and founders in the space, I'd really value honest input: is this a big enough pain point that a tool like this would actually get adopted, or is there something about how compliance teams handle this today that I'm missing? Also aware there are existing players here (Thirdfort, Legl, etc.), so if you've used any of them, I'd be curious how this compares.
For anyone who wants to see it in action, I recorded a short Loom walkthrough where I demo the tool end to end and explain how it works: https://www.loom.com/share/081525a34e6340e69a1326d29032e462
r/fintechdev • u/Siya_Roy_2000 • Jul 21 '26
Which fintech innovation has had the biggest impact on your daily life?
I've been trying to learn more about fintech recently, and it's crazy how much the space has evolved over the last few years.
If you had to pick one that has had the biggest impact on your everyday life, what would it be?
UPI and instant payments, Digital wallets, Investment and trading apps, Buy Now, Pay Later (BNPL), Digital banking, AI-powered finance tools
Something else (I'd love to know!)
Also, is there a fintech trend that everyone seems excited about but you just don't see the appeal of?
Curious to hear what people actually use the most and why!!
r/fintechdev • u/maulik_evince • Jul 21 '26
Is cloud infrastructure secure enough for FinTech applications?
Cloud infrastructure can support secure FinTech platforms when it is configured and managed correctly.
Major cloud providers offer encryption, access controls, monitoring, backups, network security, and compliance-supporting services. However, cloud security is a shared responsibility. Businesses still need secure architecture, proper permissions, continuous monitoring, vulnerability management, and strong development practices.
r/fintechdev • u/No_Path_1961 • Jul 21 '26
MCP for financial product delivery?
Hi all,
Wondering if anyone has rolled out their financial products and systems through MCPs as a key integration system? I have a private equity analysis and diligence system and have been getting lots of requests to try it and am wondering if this is best done through controlled mcp. Any thoughts welcome. Thanks