Listing Roast Quick Score x402
Listing Roast Quick Score x402: $0.001 GET marketplace listing score on the indexed /api/listing-roast URL. POST the same URL for the $0.01 full roast.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
2095 msmedian answer time
$0.001listed price per call
$0.001price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://listing-roast-x402-service-production.up.railway.app/api/listing-roast
| Category | Everything else |
|---|---|
| Provider host | listing-roast-x402-service-production.up.railway.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 2095 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"agentName": "Example x402 API",
"currentCheckoutPath": "/api/listing-roast",
"currentPrice": "$1.00",
"goal": "Increase first paid conversion",
"listingText": "A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.",
"targetBuyer": "x402 and MCP builders"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"agentName": {
"type": "string"
},
"currentCheckoutPath": {
"type": "string"
},
"currentPrice": {
"type": "string"
},
"goal": {
"type": "string"
},
"listingText": {
"type": "string"
},
"targetBuyer": {
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checkedSignals": {
"type": "object"
},
"endpoint": {
"type": "string"
},
"firstFix": {
"type": "string"
},
"nextStep": {
"type": "string"
},
"price": {
"type": "string"
},
"score": {
"type": "string"
},
"service": {
"type": "string"
},
"upgradeEndpoint": {
"type": "string"
},
"verdict": {
"type": "string"
}
},
"required": [
"service",
"endpoint",
"price",
"verdict",
"score",
"checkedSignals",
"firstFix",
"nextStep",
"upgradeEndpoint"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}