Sponge
Financial infrastructure for the agent economy
Founders
- Eric ZhangFounder
- Jae ChoiFounder
- Rishab LuthraFounder
Same space
Adjacent
Overlapping tags, a different niche.
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About Sponge
Sponge is the easiest way for agents to hold and spend money, and for businesses to sell directly to them. For agents: Sponge lets agents hold funds and transact autonomously with other agents and businesses using bank accounts, cards, and crypto. Agents can autonomously purchase services such as email, browser use, and premium data without human involvement. For businesses: Sponge makes it easy to onboard and accept payments from agents without human interaction. Businesses can sell their services directly to agents with a few clicks, no code changes required.
San Francisco, CA, USA
Sponge: questions
Which YC batch was Sponge in?
Sponge was in Y Combinator's Winter 2026 batch (W26).
Is Sponge still active?
Y Combinator lists Sponge as active.
Who founded Sponge?
Sponge's founders, as listed on its YC page: Eric Zhang (Founder), Jae Choi (Founder), Rishab Luthra (Founder).
Where is Sponge based?
Sponge lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.