Meet wallet-mcp: The Next-Gen EVM Wallet API for Developers and AI Agents

wallet-mcp: Open EVM Wallet API

wallet-mcp is a production-ready, AI/UX-first backend API for EVM wallet operations across Ethereum, Polygon, and Base. Instantly query balances, prepare transfers, fetch gas prices, and track transactions—perfect for developers, AI agents, and Web3 projects.

🚀 Live API & Documentation

Live API:
https://spntnwallet-mcp-production.up.railway.app/

Swagger/OpenAPI Docs:
https://spntnwallet-mcp-production.up.railway.app/docs

GitHub:
https://github.com/spntnhub/wallet-mcp

🧑‍💻 Example API Calls

# Health check
curl https://spntnwallet-mcp-production.up.railway.app/

# Query USDC balance on Polygon
curl "https://spntnwallet-mcp-production.up.railway.app/wallet/balance?wallet=0x123...&chain=polygon&token=USDC"

# Get all balances across chains
curl "https://spntnwallet-mcp-production.up.railway.app/wallet/all-balances?wallet=0x123..."

🌟 Features

- Multi-chain: Ethereum, Polygon, Base

- Balance queries: Native & ERC-20 tokens

- Transfer preparation: Secure, unsigned tx (user signs)

- Gas price & transaction tracking

- Prometheus metrics & WebSocket support

- OpenAPI/Swagger docs for easy integration

- CORS enabled for frontend & AI agent access

🛠️ Who is it for?

- Web3 developers (Node.js, Python, etc.)

- AI agents and automation tools

- Anyone building wallets, dashboards, or analytics

📝 How to Use

- Explore the Swagger docs for all endpoints and parameters.

- Test endpoints live with curl, Postman, or your favorite tool.

- Integrate the API into your app, bot, or agent—no signup required!

Questions or feedback?
Open an issue on GitHub or contact us via spntn.com.