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Cumbuca (YC S21) — Bare-metal access to Brazil's open finance and pix systems

Cumbuca is an infratech bank for developers to build financial products with direct Central Bank connectivity. Instead of working around unreliable middleware, you get bare-metal access to Pix, payment initiation, and data APIs under our license, so you ship products faster and we handle the compliance.

Cumbuca is a Y Combinator company in the Summer 2021 batch. Its directory entry describes it as: Bare-metal access to Brazil's Open Finance and Pix systems. The founder listed is Daniel Ruhman (Founder) (Y Combinator directory entry, August 27, 2021).

6 more companies from YC Summer 2021 ↓

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Cumbuca

New accelerator entry · 2021-08-27 · the record

Summer 2021
batch
5
people
Early
stage
Brazil
region
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What the record says

BatchSummer 2021
Announced2021-08-27
StageEarly
StatusActive
Team size5
IndustryFintech
Sub-industryFintech
SectorsFintech, B2B, API, Infrastructure
RegionsBrazil, Latin America, Remote, Partly Remote
BasedSão Paulo, SP, Brazil
HiringNo
Sitehttps://www.cumbuca.com
Previously known asComadre

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Also in YC Summer 2021

Same batch, Fintech first.

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In their words

Cumbuca is an infratech bank for developers to build financial products with direct Central Bank connectivity. Instead of working around unreliable middleware, you get bare-metal access to Pix, payment initiation, and data APIs under our license, so you ship products faster and we handle the compliance. There's no vendor lock-in, and your service will never be disrupted by us.

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  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

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  8. Sources

    1 cited source found

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Sourced from the company's Y Combinator directory entry.

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Cumbuca: Accepted into Y Combinator Summer 2021
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Permanent URL: https://mentionfox.com/funding/yc-cumbuca
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Cumbuca (YC S21) — Bare-metal access to Brazil's open finance and pix systems. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-cumbuca