Finance Paid

Sponge

Wallets and payment infrastructure for autonomous AI agents

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PricingPaid
Free planUnknown
Free trialYes
APIYes
Open sourceNo
DeploymentCloud
Last verifiedJuly 30, 2026
Overview

Tool overview

Sponge is listed under Finance AI tools.

Summary

What is Sponge?

Sponge provides financial infrastructure for AI agents and businesses serving them. Agents can hold stablecoins, use cards and bank rails, make transfers, trade, and pay for metered APIs, while businesses can monetize endpoints through Sponge Gateway.

Best fit

Best for

Developers and API businesses building paid services for autonomous agents

Audience

Who is it for?

AI agent developersAPI providersAgent-platform teamsFintech developersAutonomous software operators
Recommendation

Decision note

Suitable for evaluation after confirming final commercial terms, permissions, data handling, lifecycle status, and edit-screen aliases. Keep Needs Review enabled until a human verifies the published profile.

Capabilities

Key features

Agent wallets with stablecoins and virtual cards

ACH, wire, transfer, and payment capabilities

x402 and MPP payments for agent services

Gateway for monetizing APIs without upstream changes

MCP, CLI, Node, and Python developer access

Paid API catalog and metered session workflows

Workflows

Use cases

Giving agents controlled spending accounts

Selling API access directly to agents

Charging per request, token, or session

Automating agent transfers and payments

Trading through supported financial services

Strengths

Pros

  • Designed for autonomous agent transactions
  • Gateway avoids upstream code changes
  • Supports several agent-development interfaces
  • Includes configurable spending controls
Considerations

Cons

  • No stable public platform fee schedule
  • Financial integrations add compliance obligations
  • On-chain and card activity carries transaction risk
Considerations

Limitations

Sponge handles money movement and programmable payments. Users should verify custody, identity, card, bank, blockchain, tax, sanctions, smart-contract, spending-limit, and merchant-pricing controls before allowing autonomous transactions.

Cost

Pricing details

Pricing modelPaid
Free planUnknown
Free trialYes
Pricing context

Billing options

Per-request paymentsPer-session paymentsMerchant-defined endpoint pricing
Pricing context

Pricing note

Sponge supports usage-based agent payments and merchant-defined endpoint or session prices. A stable public platform subscription or fee schedule was not confirmed, so no starting platform price, free-plan status, or trial status is imported.

View official pricing
Compatibility

Supported languages

  • TypeScript
  • Python
Connectivity

Integrations

OpenClaw

Claude Code

Codex

Base

Solana

Tempo

Hyperliquid

Polymarket

Specs

Technical details

PlatformsWeb, API
Multilingual supportNo
Login requiredYes
Open sourceNo
DeploymentCloud
CompanySponge Inc.
Launch year2026
Models / versionsWallet tools Gateway tools Catalog
Editions / plansSponge Wallet Sponge Gateway Sponge Catalog
Data confidenceHigh
Last verifiedJuly 30, 2026
Documentation → Data source →
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Answers

Frequently asked questions

Sponge provides financial infrastructure for AI agents and businesses serving them. Agents can hold stablecoins, use cards and bank rails, make transfers, trade, and pay for metered APIs, while businesses can monetize endpoints through Sponge Gateway.
Developers and API businesses building paid services for autonomous agents
The listed pricing model for Sponge is Paid. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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