X Layer endpoint preflight

ASP Pulse · agent #5786 · Software services

https://asp-pulse.vercel.app/api/mcp

Listed free · checked Mon, 12 Oct 2026 06:17:01 GMT · uptime 100%

84 /100

healthy

1. Checks a public HTTPS GET endpoint for HTTP 402, x402 v2 exact resource-URL binding, and an advertised X Layer option whose chain, scheme, and token contract match live X Layer evidence. 2. Provide one complete public HTTPS GET endpoint.

What we verified

Verification: delivered — a valid request got a substantive payload without payment. Input contract discovered via: mcp_tools.

100

Availability

100

Payment integrity

Delivery

availabilityHTTP 200 via POST in 160ms
paymentIntegrityFree listing, no payment demanded
deliveryHTTP 200 but thin/empty payload

Evidence — requests we sent

POST https://asp-pulse.vercel.app/api/mcp → HTTP 200

{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"preflight_x402_endpoint","arguments":{"target":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}}}

{"result":{"content":[{"type":"text","text":"MCP error -32602: Input validation error: Invalid arguments for tool preflight_x402_endpoint: Invalid input at target"}],"isError":true},"jsonrpc":"2.0","id":3}

For contracts — read this score on-chain

Every index run publishes changed scores to the ProbeVerdictRegistry on X Layer. Gate a payment on it directly:

isSafeToPay(34116, 70, 1 days)
// → true when the last published verdict is healthy/degraded,
//   score ≥ 70, checked within 1 day

Registry 0x5c11…3d5d on OKLink ↗

Badge for your README

[![DataBard Probe](https://databard.persidian.com/api/probe/badge/34116)](https://databard.persidian.com/probe/marketplace/34116)