x402 Pay — USDC API Payment Helper MCP Server

by scriptmasterlabs Your server? Claim it

answering

x402 Pay — USDC API Payment Helper is answering right now. Last checked 8 min ago. It exposes 4 tools.

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

Uptime history 5 days of history · worst day 98%

5 days agonow

96.7%

Uptime 24h

89 of 92 checks

Tools

read from the server

1219 ms

Response time

average over 24h

open, no key

Access

streamable-http

x402 Pay — USDC API Payment Helper does not always answer

Over the last week it answered 99.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add x402-pay --transport http https://squeezeos-api.onrender.com/mcp/x402-pay

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402-pay": {
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}

~/.codex/config.toml

[mcp_servers.x402-pay]
url = "https://squeezeos-api.onrender.com/mcp/x402-pay"

.cursor/mcp.json

{
  "mcpServers": {
    "x402-pay": {
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "x402-pay": {
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

payment

check_payment

Inspect an HTTPS URL for a live x402 402 challenge without sending payment.

payment_info

Return the canonical ScriptMasterLabs x402 payment network and receiver. Never spends.

paid

list_paid_apis

List live SML x402 paid API operations from the canonical SqueezeOS OpenAPI document.

status

check_status

Check the live always-on SqueezeOS payment authority.

Endpoints

URL	Transport	State	Latency	Checked
https://squeezeos-api.onrender.com/mcp/x402-pay	streamable-http	answering	767 ms	8 min ago

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x402 Pay — USDC API Payment Helper — questions

Answers built from our own checks of this server.

What can x402 Pay — USDC API Payment Helper do?

It exposes 4 tools, read directly from the server on our last check. Among them: check_payment, check_status, list_paid_apis, payment_info. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is x402 Pay — USDC API Payment Helper working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 89 of 92 checks got a reply (96.7%), average response time 1219 ms. The bar chart above shows every period we have measured.

How do I connect x402 Pay — USDC API Payment Helper?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does x402 Pay — USDC API Payment Helper need an API key?

No. x402 Pay — USDC API Payment Helper completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is x402 Pay — USDC API Payment Helper?

It answers our handshake in 1219 ms on average, which is faster than 4% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.