Increase - Revolutionizing Fintech with Enterprise-Grade Banking APIs
Increase offers enterprise-grade banking APIs, enabling fintechs to efficiently store, move, and reconcile money without relying on multiple vendors. With direct connections to networks, it provides more control and reliability for complex financial operations.
Banking rails are messy until you have to build on them.
Increase sells enterprise-grade banking APIs to fintechs and platforms that need to store money, move it, and reconcile it without duct-taping five vendors together.
Think ACH, wires, checks, RTP, FedNow, push-to-card, and card issuing, exposed like real infrastructure, not a toy abstraction layer. The pitch is simple. Direct connections to networks like the Fed and Visa, fewer dependencies, more control.
It’s YC S20, founded in 2020 by Darragh Buckley, Stripe’s first employee and an MIT-trained engineer. The company is small by headcount, but built for builders who care about settlement windows, trace IDs, and what happens when something breaks at 2 a.m.
Customers signal the lane. Ramp has publicly partnered with Increase, and the company shows up in the modern “fintech plumbing” stack alongside players like Modern Treasury. Increase also works through FDIC-insured sponsor banks, including Grasshopper Bank and First Internet Bank of Indiana.
The business model is the unsexy one that wins. Usage and program fees on money movement, account infrastructure, and issuing, with compliance tooling that lets fintechs keep their own onboarding and risk decisions. The moat is reliability, deep bank, network integrations, and the pain tolerance to operate at the level where every return code matters.
This matters now because BaaS is in its sober era. Platforms want redundancy, transparency, and direct rails, and regulators want clearer lines of responsibility. FinBox Solutions picked Increase because it looks like one of those quiet companies that becomes “default” once you’re big enough to care about failure modes.
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If you were building a fintech today, would you buy “direct-to-rails” infra, or stay with a full-stack BaaS provider and accept the abstraction?
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