ChatGPT Plugin

Sponge

Wallet for your agent

Brand: Sponge

Category: Finance
Primary Subcategory: Crypto On-Ramps & Wallets

Integration details

Description

Sponge lets users view their agent wallet balances, track their portfolio, and create onramp links to fund their wallet with USDC.

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Finance
Primary Subcategory: Crypto On-Ramps & Wallets
Secondary Subcategories: None listed
Brand: Sponge
Access: Account required
First tracked: 2026-05-30
Tool count: 3
Geography: US

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Primary Subcategory

Competing in ChatGPT Crypto On-Ramps & Wallets

View Category

Listed in alphabetical order

Primary Subcategory

MoonPayComing soonGet notified

SpongeComing soonGet notified

Tools

3 tools agents can invoke

Show a read-only ChatGPT widget with Sponge wallet balances and Hyperliquid and Polymarket account status.
render_portfolio_ui
Create a fiat-to-crypto onramp link to fund your wallet with USDC. Use this when you need to buy crypto with a card or bank payment and receive it directly in your agent wallet. Notes: - This currently supports mainnet chains only. - Returns a hosted checkout URL you can open to complete the purchase. - Provider is selected automatically by default (Stripe first, Coinbase fallback).
Check your wallet's current balance before making payments or to verify received funds. Use this to: - Verify you have sufficient funds before calling 'transfer' - Confirm funds arrived after receiving a payment - Monitor your wallet's token holdings across chains Returns a map of chain -> address -> balances [{token, amount}]. Native tokens and registered ERC-20/TIP-20 tokens are included automatically. Available chains: solana, base, tempo, ethereum, arbitrum-one, polygon, monad

FAQs

Sponge ChatGPT Plugin FAQ

How the directory, categories and Discoverability Score work.

Read the methodology

How do I improve Sponge's ChatGPT Plugin discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are Sponge alternatives on ChatGPT?

As of 2026-10-07, Sponge competes with MoonPay in ChatGPT Crypto On-Ramps & Wallets, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.