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CoArena
YC S26San Francisco, US · Founded 2026 · 2 employees · 4 known investors
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Coasty provides AI agents that automate healthcare revenue cycle tasks like eligibility verification, prior authorization, claim submission, and denial management by performing repetitive work across EHRs, practice management systems, and payer portals through screen interaction. The platform is designed for healthcare billing teams and operates within customer environments with full audit trails and approval gates for payer-facing submissions.
Also known as Coasty Systems, Inc. · Coasty
AI & Machine LearningDeveloper ToolsEnterprise SoftwareHealthtechSaaSAIOpsArtificial IntelligenceMachine LearningReinforcement LearningData LabelingUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
CoArena was founded in 2026 by Prateek Jannu and Nitish Kovuru.
PJ
Prateek JannuCo-FounderPrateek Jannu studied at Purdue and later attended Stanford. He is building AI agent technology at Coasty to help enterprises automate manual processes.
NK
Nitish KovuruCo-FounderNitish Kovuru is co-founder of Coasty. He completed a BS in Computer Engineering from Purdue, where he taught a graduate-level AI course as an undergraduate, and later earned a degree in Computer Science with a focus on computer vision from Columbia. He previously built enterprise sales automation systems at another company.
Investors · 4
Y Combinator✓ confirmed by CoArenaSan Francisco · $500K
How we know: the company's own site · the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
Lyra Capital Pty LtdreportedSydney
How we know: Y Combinator's founder network · Not right? Tell us
RobinhoodreportedMenlo Park
How we know: Y Combinator's founder network · Not right? Tell us
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Legal entities · 1
corporate structureCoasty Systems, Inc.
In the news
Frequently asked questions
- What does CoArena do?
- Coasty provides AI agents that automate healthcare revenue cycle tasks like eligibility verification, prior authorization, claim submission, and denial management by performing repetitive work across EHRs, practice management systems, and payer portals through screen interaction. The platform is designed for healthcare billing teams and operates within customer environments with full audit trails and approval gates for payer-facing submissions.
- Who founded CoArena?
- CoArena was founded by Prateek Jannu, Nitish Kovuru in 2026.
- Who are CoArena's investors?
- CoArena's investors include Y Combinator, Vela Partners, Lyra Capital Pty Ltd, Robinhood.
- Where is CoArena headquartered?
- CoArena is headquartered in San Francisco, US.