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Scalability Articles

Browse 2 Gruv blog articles tagged Scalability. Payout rails, FX, reconciliation, and platform money-movement playbooks.

Deep Dives10 min read

Build a Payment API for 1 Million Transactions a Day

A million-payment day is not, by itself, a reason to split your system into dozens of services. It averages about 11.6 business payments per second. What matters is the busiest window, the work each payment creates, and what happens when a provider completes a charge just before your connection drops.

payment apipayment architectureidempotency+2 more
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Technology22 min read

Microservices Architecture for SaaS Without Finance and Compliance Surprises

Choose your operating model before you choose your decomposition pattern. For most early products, that means a modular monolith with clear domain boundaries, not a full microservices setup on day one. The reason is practical. Every new service adds cognitive load, failure points, and maintenance cost, so the split pays off only when your team and controls are ready.

microservicessaas architecturesoftware design+2 more
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