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Sandbox Banking

AcquiredYC W17

Boston, US · Founded 2015 · 33 employees · 9 known investors

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nCino Integration Gateway (formerly Glyue by Sandbox Banking) is an integration platform as a service (iPaaS) with pre-built connectors and low-code automation that links core banking systems, CRMs, loan origination systems, and fintech apps. It is built for financial institutions such as banks and credit unions, serving CTOs, heads of lending, and innovation leaders.

Also known as Alphapack, Co. · AlphaPack · Sandbox · Sandbox, AlphaPack, Sandbox

Data & InfrastructureFintechSaaSBanking as a ServiceB2BUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (W17)

Sandbox Banking was founded in 2015 by Ravi Balasubramanian and Skye Isard.

RBRavi Balasubramanian
Ravi BalasubramanianCEO and Co-founderRavi Balasubramanian founded Sandbox Banking, an integration platform connecting banking and fintech systems that grew to 150+ financial institution customers before being acquired by nCino in 2025. He previously worked as a commodities and FX options portfolio manager.
SISkye Isard
Skye IsardCo-Founder & CTO2016–2025Skye Isard is founder and CTO of Sandbox Banking, which offers an integration platform connecting core banking systems, loan origination systems, and fintech applications for financial institutions.
JD
Jean DonnellyChief of Staff to the CEO
DL
Dwayne LaForcePlatform Engineer
AG
Alex GibsonHR Lead
CG
Chris GordonEngineering Manager
GL
Gary Lu
SM
Sheena Marinasrecruitingformer

Investors · 9

Horizonlisted by HorizonMiami Beach
Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Galaxy InteractivereportedNew York · $1M – $20M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Horizon CapitalreportedKyiv

How we know: Y Combinator's founder network · Not right? Tell us

SixThirty VenturesreportedSt. Louis · $100K – $250K

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Startupbootcamp FinTech MexicoreportedAmsterdam

How we know: Y Combinator's founder network · Not right? Tell us

Tuesday CapitalreportedSan Francisco

How we know: funding news · Not right? Tell us

UMB BankreportedKansas City

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$4.3M disclosed across 1 round · 2023

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Sandbox Banking went on to found or lead other companies.

Ravi BalasubramanianCEOFounded AlphapackSkye IsardCTOFounded Alphapack

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Companies working in the same space as Sandbox Banking.

Legal entities · 1

corporate structure
Alphapack, Co.

In the news

Sandbox Banking - Tech Company Profile - Gaebler.com Venture Capital Databasegaebler.com

Frequently asked questions

What does Sandbox Banking do?
nCino Integration Gateway (formerly Glyue by Sandbox Banking) is an integration platform as a service (iPaaS) with pre-built connectors and low-code automation that links core banking systems, CRMs, loan origination systems, and fintech apps. It is built for financial institutions such as banks and credit unions, serving CTOs, heads of lending, and innovation leaders.
Who founded Sandbox Banking?
Sandbox Banking was founded by Ravi Balasubramanian, Skye Isard in 2015.
Who are Sandbox Banking's investors?
Sandbox Banking's investors include Green Sands Equity, Horizon, Y Combinator, Galaxy Interactive, Horizon Capital, SixThirty Ventures, Startupbootcamp FinTech Mexico, Tuesday Capital and 1 more.
How much funding has Sandbox Banking raised?
Sandbox Banking has disclosed $4.3M raised across 1 round.
Where is Sandbox Banking headquartered?
Sandbox Banking is headquartered in Boston, US.