Sponge was founded by Eric Zhang, Jae Choi, Rishab Luthra in 2026.

Who are Sponge's investors?

Sponge's investors include Leonis Capital, Y Combinator.

Where is Sponge headquartered?

Sponge is headquartered in San Francisco, US.

Sponge

San Francisco, US · Founded 2026 · 3 employees · 2 known investors

Paysponge provides financial infrastructure for AI agents, enabling them to hold, spend, and earn money through credit cards, bank accounts, and crypto. The platform offers both agent accounts and a payment gateway for businesses to accept payments directly from agents.

AI & Machine Learning Crypto & Web3 Enterprise Software FintechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W26)

Sponge was founded in 2026 by Eric Zhang, Jae Choi, and Rishab Luthra.

Eric Zhang inCo-FounderEric Zhang is a co-founder of Sponge (YC W26) and previously worked on the crypto team at Stripe.

Jae Choi inCo-FounderJae Choi is a co-founder at Sponge and previously worked on crypto initiatives at Stripe.

Rishab Luthra inCo-FounderRishab Luthra is a co-founder of Sponge (YC W26) and previously worked in the crypto division at Stripe.

Investors · 2

Leonis CapitalSan Francisco

Y CombinatorSan Francisco · $500K

Competitors · 1

by search overlap

Coinstats4 shared keywordsCoinStats is a crypto portfolio tracker that connects users' wallets and exchanges to track, buy, swap, and stake assets across 120+ blockchains, 300+ wallets/exchanges, and thousands of DeFi protocols. It targets crypto investors managing portfolios across multiple platforms and DeFi protocols.

Companies competing with Sponge for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Victoria Sponge Cake raises nearly £2,000 to help fund Ukraine convoyfarminglife.com · Mar 2026

Sponge: Financial infrastructure for the agent economyycombinator.com · Feb 2026

Sponge Startup Raises $200K On Kickstarter For Alternative To Synthetics Made Of Plant Rootsforbes.com · May 2019

Sponge Funding | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does Sponge do?: Paysponge provides financial infrastructure for AI agents, enabling them to hold, spend, and earn money through credit cards, bank accounts, and crypto. The platform offers both agent accounts and a payment gateway for businesses to accept payments directly from agents.
Who founded Sponge?: Sponge was founded by Eric Zhang, Jae Choi, Rishab Luthra in 2026.
Who are Sponge's investors?: Sponge's investors include Leonis Capital, Y Combinator.
Where is Sponge headquartered?: Sponge is headquartered in San Francisco, US.