listing-grader-ai.lovable.app
Product Listing Preflight — one metered assessment.
Offering
- Provider
- listing-grader-ai.lovable.app
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Business And Commerce
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://listing-grader-ai.lovable.app/api/public/paid-preflight/amazon- MIME type
- application/json
- First seen
- 2026-10-16T01:52:40.118Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "50000",
"payTo": "0x154DB68DFc226d9427a4aecE976E1161F50939e4"
}
]Observed health
- Status
- Healthy
- Latest latency
- 2624 ms
- Average latency
- 2686 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"required": [
"type",
"method"
],
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"title": {
"type": "string",
"description": "Listing title."
},
"description": {
"type": "string",
"description": "Full listing description."
},
"price": {
"type": "string",
"description": "Price as a decimal string, e.g. 24.99."
},
"currency": {
"type": "string",
"description": "ISO 4217 currency code, e.g. GBP."
},
"category": {
"type": "string",
"description": "Marketplace category or path."
},
"keywords": {
"type": "string",
"description": "Comma-separated search keywords."
},
"features": {
"type": "string",
"description": "Features/specs, separated by ; or newlines."
},
"imageCount": {
"type": "string",
"description": "Number of product images."
},
"shipping": {
"type": "string",
"description": "Shipping policy text."
},
"returns": {
"type": "string",
"description": "Returns policy text."
},
"strict": {
"type": "string",
"enum": [
"1",
"true",
"0",
"false"
],
"description": "Refuse requests with missing fields."
}
},
"additionalProperties": false
}
}
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"category": {
"description": "Marketplace category or path.",
"type": "string"
},
"currency": {
"description": "ISO 4217 currency code, e.g. GBP.",
"type": "string"
},
"description": {
"description": "Full listing description.",
"type": "string"
},
"features": {
"description": "Features/specs, separated by ; or newlines.",
"type": "string"
},
"imageCount": {
"description": "Number of product images.",
"type": "string"
},
"keywords": {
"description": "Comma-separated search keywords.",
"type": "string"
},
"price": {
"description": "Price as a decimal string, e.g. 24.99.",
"type": "string"
},
"returns": {
"description": "Returns policy text.",
"type": "string"
},
"shipping": {
"description": "Shipping policy text.",
"type": "string"
},
"strict": {
"description": "Refuse requests with missing fields.",
"enum": [
"1",
"true",
"0",
"false"
],
"type": "string"
},
"title": {
"description": "Listing title.",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"checks": {
"description": "[{ id, label, scope, status: PASS|WARNING|FAIL, weight, detail }]"
},
"counts": {
"description": "{ pass, warning, fail }"
},
"keywordObservations": {
"description": "object"
},
"missingInformation": {
"description": "string[]"
},
"payment": {
"description": "{ receipt, quote, transaction, chainStatus }"
},
"recommendations": {
"description": "string[]"
},
"score": {
"description": "integer 0-100"
},
"summary": {
"description": "string"
},
"verdict": {
"description": "READY | NEEDS_WORK | NOT_READY"
}
},
"required": [
"score",
"verdict",
"checks"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input",
"output"
],
"type": "object"
}