fernsugi/x402-api-server
by Various
x402 protocol API server — pay-per-call DeFi data endpoints using USDC micropayments on Base
MCP
fernsugi/x402-api-server
Added 1 June 2026
Overview
An API server implementing the x402 protocol for pay-per-call DeFi data endpoints. It enables USDC micropayments on the Base network for each API request. Built in JavaScript, it provides a server that handles payment verification and data delivery.
Best for
Best for
Developers building DeFi applications that need pay-per-call data access with USDC micropayments on Base
Use cases
- Serve DeFi data endpoints with per-call USDC micropayments
- Integrate pay-per-use data feeds into dApps on Base
- Build a monetized API for blockchain data without subscriptions
Notes
An API server implementing the x402 protocol for pay-per-call DeFi data endpoints. It enables USDC micropayments on the Base network for each API request. Built in JavaScript, it provides a server that handles payment verification and data delivery.
2 stars on GitHub. Last updated 2026-03-25.
Use cases
- Serve DeFi data endpoints with per-call USDC micropayments
- Integrate pay-per-use data feeds into dApps on Base
- Build a monetized API for blockchain data without subscriptions
Pros
- Implements the x402 protocol for standardized pay-per-call payments
- Uses USDC on Base for low-cost micropayments
- Open source and customizable for specific data endpoints
Cons
- Very early stage with only 2 GitHub stars and limited community
- Currently only supports Base network for payments
- Requires running and maintaining your own server instance
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Implements the x402 protocol for standardized pay-per-call payments
- Uses USDC on Base for low-cost micropayments
- Open source and customizable for specific data endpoints
Cons
- Very early stage with only 2 GitHub stars and limited community
- Currently only supports Base network for payments
- Requires running and maintaining your own server instance
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