Sponge
PaySponge provides financial infrastructure for the agent economy, enabling AI agents and gig workers to hold, spend, and invest money across fiat and crypto. The platform includes a Sponge Card issued by Rain, a Visa Principal Member, powered by digital asset collateral, along with programmatic spending controls and automated payment acceptance via the Sponge Gateway.
- Financial Technology
- Blockchain & Cryptocurrency
- Web3 & NFTs
- Developer Tools
- Software Only
Funding
Raised to date
$500KRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Founder details are not available yet.
Product
Problem
Agents and gig-economy participants often lack a unified financial layer that can hold both fiat and crypto, enforce spending policies, and integrate seamlessly with existing tooling. Meanwhile, businesses that sell services to these agents must manage manual onboarding and payment reconciliation, which slows down revenue capture and increases operational overhead.
Solution
PaySponge delivers a programmable financial infrastructure that lets individual agents maintain multi-currency accounts, execute cross-chain transfers, and apply granular spending controls through a unified API. The platform exposes a TypeScript SDK and REST endpoints, enabling developers to embed account creation, payment acceptance, and investment functions directly into any agent stack with minimal code changes. Transaction data are encrypted in transit and stored under compliance-ready controls, while real-time analytics provide visibility into spend limits, transaction volumes, and asset balances. Businesses can onboard agents automatically via the Sponge Gateway, which supports x402 and MPP payment protocols without human interaction, and reconcile settlements without manual intervention.
Target Audience
The primary users are independent agents, freelancers, AI-driven bots, and developer teams building agent applications that require flexible multi-currency wallets, as well as B2B platforms and service providers looking to sell directly to these agents through automated payment flows.
Features
- TypeScript SDK and RESTful API for rapid integration into custom agent workflows
- Sponge Card: a credit card issued by Rain, a Visa Principal Member, powered by digital asset collateral and accepted wherever Visa is accepted
- Cross-chain transaction engine supporting fiat, ERC-20, and other major crypto assets
- Programmable spending controls (daily budgets, per-transaction caps, domain-whitelisted destinations) enforced at the wallet layer
- On-demand account provisioning with KYC/AML compliance hooks and encrypted key management
- Sponge Gateway for automated agent onboarding and payment acceptance via x402 and MPP protocols with no code changes
- Real-time transaction monitoring dashboard with webhook notifications for settlement events
- Integration with agent frameworks including OpenClaw, Claude Code, and Codex