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RoundPenny is a white-label API platform that lets fintechs, neobanks, and HCM platforms launch their own round-up investment product.
Trusted by innovative fintech teams worldwide
Enterprise-grade infrastructure for the next generation of investment apps
Auto-calculate spare change on every transaction. Kafka-powered, real-time settlement at any scale.
Your brand, our infrastructure. REST API with webhooks, ready for any platform integration in weeks.
Identity verification, TOTP multi-factor auth, fraud detection, and full audit ledger built in.
Prometheus, Grafana, Loki, Tempo โ full monitoring, alerting, and distributed tracing included.
Multi-tenant, 15 microservices, PostgreSQL, Kafka, Redis. Deploy anywhere โ cloud or on-prem.
Unique commission model โ earn from merchants while users invest. Acorns and Stash can't do this.
59-second demo โ microservices, Kafka event streaming, white-label multi-tenancy
Full HD ยท English narration ยท Subtitles available
Start free, scale with your growth. No hidden fees.
See how round-up investing can grow over time with compounding
Trusted by fintech teams building the future of investing
"RoundPenny's white-label API let us launch our investment product in 3 weeks. Our users love the round-up feature and we didn't build a single microservice."
"The multi-tenant architecture is a game-changer. We have 3 different brands all running on RoundPenny โ isolated, secure, and each with their own fee structure."
"We evaluated building in-house vs licensing RoundPenny. The math was clear โ 14 months of engineering time saved. And their Kafka pipeline handles our volume effortlessly."
RoundPenny is a micro-investment platform that turns spare change into investments. 15 microservices, Kafka, PostgreSQL, Kubernetes โ enterprise-grade infrastructure from day one.
Make financial literacy and investment habits accessible to everyone. With our white-label API, any platform can offer its own investment product โ turning unnoticed spare change into meaningful financial futures.
15 microservices ยท Kafka event-driven ยท Kong API gateway
All Go microservices with shared packages
What's coming next
Core infrastructure, 15 microservices, Kafka event-driven architecture.
White-label API, merchant integrations, and compliance readiness.
iOS & Android SDKs, automated portfolio rebalancing, fractional share trading.
FINRA/RIA registration, EMI license, APAC deployment, AI fraud detection v2.
Everything you need to know about RoundPenny
Enterprise-grade protection for your users' assets
Why RoundPenny is positioned to redefine micro-investing
| RoundPenny | Acorns | Stash | |
|---|---|---|---|
| White-Label API | โ | โ | โ |
| Open Infrastructure | โ | โ | โ |
| Merchant Commission | โ | โ | โ |
| Real-Time Kafka Engine | โ | โ | โ |
| Multi-Tenant | โ | โ | โ |
| Self-Hostable | โ | โ | โ |
Ready to add round-up investing to your platform?
We'll get back to you within 24 hours.