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Base USDC Payment Verifier (x402)

Official registry Finance and payments

Verify a Base tx is a confirmed native-USDC transfer to a recipient. Paid via x402, 0.01 USDC/call.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http base-usdc-payment-verifier-x402 'https://x402-usdc-verify.onrender.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "base-usdc-payment-verifier-x402": {
            "type": "http",
            "url": "https://x402-usdc-verify.onrender.com/mcp"
        }
    }
}

Frequently asked questions

What is Base USDC Payment Verifier (x402)?

Verify a Base tx is a confirmed native-USDC transfer to a recipient. Paid via x402, 0.01 USDC/call.

How do I install Base USDC Payment Verifier (x402)?

It runs as a remote server. In Claude Code: claude mcp add --transport http base-usdc-payment-verifier-x402 'https://x402-usdc-verify.onrender.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Base USDC Payment Verifier (x402) need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Base USDC Payment Verifier (x402)?

It is published by com.onrender.x402-usdc-verify. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.