malformedlisted in Coinbasecounted above 63% of Other
0.001 USDC
per call, as the listing declares it on eip155:
- Validation state
- malformed
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-28 12:39 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
The sweep of 2026-09-15 got a payment challenge that did not pass the required check response_size.
TOLL files listing roast under the "other" category: a GET endpoint on listing-roast-x402-service-production.up.railway.app, listed in the Coinbase registry.
A call to listing roast costs 0.001 USDC on Base, as declared.
listing roast takes the query parameters goal, agentName, listingText, targetBuyer, currentPrice and 1 other.
A response from listing roast, as declared, includes price, score, service, verdict, endpoint, firstFix and 2 others.
One payer accounts for all 2 calls to listing roast over 30 days.
Its last counted call came 18 days before the snapshot.
listing roast is the only listed endpoint on listing-roast-x402-service-production.up.railway.app.
No comparable listing in the "other" category is cheaper.
listing roast sits nearest in price to useless fact (x402uselessfacts.vercel.app) and life advice (x402lifeadvice.vercel.app) among listings in the "other" category.
The payee wallet of listing roast appears on no other listing.
1,267 other listings in the "other" category declare exactly the same price.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xd9E7a1…327a8C |
the checks, as of 2026-09-15 04:25 UTC · method · pinnableendpoint answered HTTP 402
response_size· no description on file
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:25 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 04:21 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 04:20 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 06:36 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 10:06 UTC | malformed | 1 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-06-18 06:43 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"goal": "Increase first paid conversion",
"agentName": "Example x402 API",
"listingText": "A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.",
"targetBuyer": "x402 and MCP builders",
"currentPrice": "$1.00",
"currentCheckoutPath": "/api/listing-roast"
}
},
"output": {
"type": "json",
"example": {
"price": "$0.001",
"score": "5/5",
"service": "Listing Roast x402",
"verdict": "ready_to_test",
"endpoint": "listing-roast-quick-score",
"firstFix": "The basics are present. Use the full roast only if you want a rewrite and launch recommendation.",
"nextStep": "This GET route keeps the indexed /api/listing-roast URL payable at the lowest price. Use POST /api/listing-roast for the full rewrite and launch recommendation.",
"checkedSignals": {
"buyer": true,
"price": true,
"output": true,
"example": true,
"checkout": true
},
"upgradeEndpoint": "/api/listing-roast"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "listing roast on listing-roast-x402-service-production.up.railway.app", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/listing-roast-x402-service-production-up-railway-app-api-listing-roast-35430d/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-listing-roast-x402-service-production-up-railway-app-api-listing-roast-35430d-2026-09-15T16-57Z,
author = {TOLL},
title = {listing roast on listing-roast-x402-service-production.up.railway.app},
howpublished = {\url{https://tollindex.com/e/listing-roast-x402-service-production-up-railway-app-api-listing-roast-35430d/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.