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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.

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

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

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

Reference