Financial infrastructure for AI agents to hold, spend, and earn money using bank accounts, cards, and crypto.
Sponge provides AI agents with financial accounts including a Visa-powered credit card issued by Rain, virtual bank accounts, and crypto wallets. The Sponge Gateway enables businesses to accept payments from AI agents via x402 and MPP protocols with no human involvement and no code changes required. Spending controls such as daily budgets, per-transaction limits, and domain allowlists are configurable programmatically. The platform supports cross-chain transactions and is designed to integrate with any agent stack. Sponge is a product of Sponge.
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