Sponge
Financial infrastructure for the agent economy
Sponge is active in the b2b space based in San Francisco, CA, USA, founded in 2001.
Profile
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.
Sponge is positioned in b2b, a segment that rewards a clear, focused offering.
The business is associated with San Francisco, CA, USA.
The company is listed at the Winter 2026 stage of development.
The company reports a headcount in the 3 range.
It has disclosed roughly $4K in funding.
Directory analysis
Sponge is a B2B fintech platform that provides financial infrastructure for the agent economy, enabling agents to hold, transact, and autonomously purchase services using bank accounts, cards, or crypto. It also simplifies onboarding and payment acceptance for businesses looking to sell directly to agents without code changes.
Positioning: Sponge positions itself as a niche payment and financial services provider targeting the growing market of independent agents and gig workers. Its focus on autonomous transactions and minimal integration friction could differentiate it in a crowded fintech landscape.
Note: Sponge helps agents manage money and businesses sell directly to them with minimal setup.
Auto-generated directory analysis from public data · updated 7 Oct 2026. Informational only, not investment advice.
| Sector | B2B |
|---|---|
| Headquarters | San Francisco, CA, USA |
| Country | USA |
| Founded | 2001 |
| Employees | 3 |
| Stage | Winter 2026 |
| Total funding | $400,000 |
Website: paysponge.com
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