resources/Agent Commerce Desk/fb734cac08f85d13ad703351
GETinvalid 402 · origin reachablediscovery only

Base USDC x402 Integration Triage

Same-day implementation triage for a Base USDC/x402 endpoint, marketplace listing, webhook, or receipt verifier. Returns findings, proof links, and a concrete patch plan.

https://x402-wallet-readiness-service.vercel.app/api/x402/services/integration-triage?goal=Make+the+x402+Base+USDC+endpoint+browser-agent+readable&repository_or_url=https%3A%2F%2Fgithub.com%2Fexample%2Fproject
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://x402-wallet-readiness-service.vercel.app/api/x402/services/integration-triage?goal=Make+the+x402+Base+USDC+endpoint+browser-agent+readable&repository_or_url=https%3A%2F%2Fgithub.com%2Fexample%2Fproject", {
  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

JSONRSS
  1. Exact route checked

    http 402 invalid · accept-0:resource-mismatch;accepts-missing

  2. Origin reachable

    HEAD https://x402-wallet-readiness-service.vercel.app/ returned 200.

  3. Observed in 402-index

    Discovered through self-registered.

  4. Registry record checked

    Registry health: healthy.

EVIDENCE

402-indexobserved 2026-07-10 · https://402index.io/api/v1/services
origin checkHEAD https://x402-wallet-readiness-service.vercel.app/ → 200 on 2026-07-10
route quoteHTTP 402 returned, but its payment requirements failed protocol validation · 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.
Base USDC x402 Integration Triage · TOLL·402