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Sponge

Financial infrastructure for the agent economy Status: Active. Batch: YC Winter 2026. HQ: San Francisco, CA, USA. Industry: B2B. https://paysponge.com/

Details

city: San Francisco
cohort year: 2026
country: United States
exited: false
industry: b2b
one liner: Financial infrastructure for the agent economy
status: active
team size: 3
website: https://paysponge.com/

person → founded3

Eric Zhang
Jae Choi
Rishab Luthra

based in → country1

United States

accelerator → invested in1

Y Combinator

member of → category1

Enterprise Software

participated in → cohort1

Y Combinator Winter 2026

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Sponge — Startups