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The Sponge Wallet skill gives your AI agent a multi-chain wallet covering Base, Ethereum, and Solana. It includes a native x402 payment proxy, token swaps, cross-chain bridges, prediction market trading, and banking integrations.

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Install

Register your agent to receive a wallet and API key: 
Register my agent with Sponge Wallet using the API at https://api.wallet.paysponge.com/api/agents/register
Or read the full skill reference your agent can follow: 
Read the Sponge skill doc at https://wallet.paysponge.com/skill.md

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What the skill covers

CapabilityDescription
Multi-chain walletHold and transfer funds on Base, Ethereum, and Solana
Native x402 proxyDiscover services, pay, and get responses in one step
Token swapsSwap tokens on Base and Solana DEXs
Cross-chain bridgesBridge assets across chains via deBridge
Prediction marketsTrade on Polymarket and Hyperliquid
BankingVirtual bank accounts and ACH payouts via Bridge.xyz

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Example prompts

Check my Sponge wallet balance

Swap 100 USDC for ETH on Base using Sponge

Find a weather API and pay for it using my Sponge wallet

Bridge 50 USDC from Base to Solana

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Reference