Payments 101
UPI, explained for business owners
What UPI actually is, why it settles instantly, and how to choose the right way to accept it in your store or app.
Read more →The RubixPe journal
Notes on payments, from the ground up.
Practical guides on UPI, gateways, POS and lending — written for the businesses actually using them.
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Guides
Checklists
Security
Lending
Operations
Featured
Why RubixPe built one stack instead of six separate products
A look at the thinking behind Gateway, POS, Payouts, Credit, Switch and Secure — and why we designed them to work as one connected platform instead of six disconnected tools.
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Guide
Checklist
Choosing a provider
Five questions to ask before picking a payment gateway
Uptime, settlement speed, support and pricing — the questions that matter more than the feature list.
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Comparison
Online vs offline
QR code, SoundBox or mPOS — what fits your counter?
A practical breakdown of which offline acceptance device suits which kind of store, from kirana to quick-service.
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Lending
Working capital
How transaction-based lending works for small merchants
Why lenders are increasingly using payment data, not paperwork, to size and approve merchant credit lines.
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Security
Fraud prevention
Common payment fraud patterns — and how to spot them early
The transaction patterns that most often signal fraud, and how real-time risk scoring helps catch them sooner.
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Operations
Behind the scenes
What actually happens between a tap and a settlement
A plain-language walkthrough of the switch, gateway and bank hops a single payment takes in seconds.
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