GPT-5.5 x402 Buyer Shortlist

Build a buyer shortlist for x402 services with discovery fetches, advertised price ranking, live 402 quote checks, scheme/network/payTo verification, and warnings. Costs $0.005 over x402 Base USDC.

https://gpt55.558686.xyz/v1/tools/x402-buyer-shortlist?limit=5&query=quote&urls=%5B%22https%3A%2F%2Fgpt55.558686.xyz%22%5D&verify_limit=5

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://gpt55.558686.xyz/v1/tools/x402-buyer-shortlist?limit=5&query=quote&urls=%5B%22https%3A%2F%2Fgpt55.558686.xyz%22%5D&verify_limit=5", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-07-10 15:05 UTC
skipped origin unreachable · origin-check:ERR_SSL_PACKET_LENGTH_TOO_LONG
Origin unavailable2026-07-10 15:04 UTC
ERR_SSL_PACKET_LENGTH_TOO_LONG
Observed in 402-index2026-07-10 13:31 UTC
Discovered through self-registered.
Registry record checked2026-07-08 01:05 UTC
Registry health: healthy.

EVIDENCE

402-indexobserved 2026-07-10 · https://402index.io/api/v1/services

origin checkHEAD https://gpt55.558686.xyz/ → ERR_SSL_PACKET_LENGTH_TOO_LONG on 2026-07-10

route quoteexact route was not attempted because the origin was unreachable · origin-check:ERR_SSL_PACKET_LENGTH_TOO_LONG · 2026-07-10

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.

PAYMENT OPTIONS

The registry did not expose full payment options for this record.