Sponge Wallet

Skill that gives your AI agent a multi-chain wallet with native x402 payments, swaps, bridges, and banking

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

Capability	Description
Multi-chain wallet	Hold and transfer funds on Base, Ethereum, and Solana
Native x402 proxy	Discover services, pay, and get responses in one step
Token swaps	Swap tokens on Base and Solana DEXs
Cross-chain bridges	Bridge assets across chains via deBridge
Prediction markets	Trade on Polymarket and Hyperliquid
Banking	Virtual 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

• Sponge Wallet skill doc →