x402 census · toolbelt402.tpoborne.workers.dev · 14b52e60f2d5 · JSON

GET /url/preflight

unprobed

Check a URL before fetching it: is it alive, final URL after redirects, HTTP status, content type, HTML title, and whether robots.txt allows your user-agent. Link checker and fetch preflight for agents.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://toolbelt402.tpoborne.workers.dev/url/preflight

Method GET

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x06b40bf8Dfdc45049ea7f600c84301E227a2Ca15

Seller toolbelt402.tpoborne.workers.dev

Catalogs cdp (row updated 2026-09-14)

Listed since (lower bound) 2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-14

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain)

Category (keyword rule) agent-services

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 2

Payments 2

USDC volume $0.01

Median payment $0.005

First / last payment 2026-08-30 / 2026-09-14

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x06b40bf8Dfdc45049ea7f600c84301E227a2Ca15

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "ua": "my-agent/1.0",
   "url": "https://example.com/"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "alive": true,
   "contentType": "text/html; charset=UTF-8",
   "finalUrl": "https://example.com/",
   "redirects": [],
   "requestedUrl": "https://example.com/",
   "robots": {
    "allowed": true,
    "fetched": true,
    "group": "*",
    "matchedRule": null
   },
   "status": 200,
   "timingMs": 350,
   "title": "Example Domain"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://toolbelt402.tpoborne.workers.dev/url/preflight' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/14b52e60f2d5/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"14b52e60f2d5"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on toolbelt402.tpoborne.workers.dev.