JS
Monitoring · x402 · early usage
Verify Product data against multiple representations on the requested page
Verify Product data against multiple representations on the requested page. Returns field-level corroboration, bounded evidence, contradictions, observation time, and a content hash. Outcomes: verified, conflicted, or insufficient_evidence. Non-product pages…
by jsonrecon.com · discovered, not yet claimed by its owner · updated 2026-10-05
30d calls7
30d payers2
MethodPOST
Outputjson
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
Verify Product data against multiple representations on the requested page. Returns field-level corroboration, bounded evidence, contradictions, observation time, and a content hash. Outcomes: verified, conflicted, or insufficient_evidence. Non-product pages return 422 and do not settle. $0.02 USDC per successful result on Base.
Tags: bazaar
Call contract
- Method
- POST
- Input
- json
- Output
- json
- Last paid call
- 2026-10-05
Input example from Bazaar metadata
{
"url": "https://www.seed-sack.com/products/the-classic-single-seed-sack"
}Output example
{
"cached": false,
"data": {
"@context": "https://schema.org",
"@type": "Product",
"brand": {
"@type": "Brand",
"name": "Seed Sack"
},
"name": "The Classic Seed Sack",
"offers": {
"@type": "Offer",
"availability": "https://schema.org/InStock",
"price": 17.99,
"priceCurrency": "USD"
},
"sku": "11413-1983"
},
"extraction_ms": 1400,
"schema_type": "Product",
"success": true,
"verdict": "verified",
"verification": {
"ambiguous_offer": false,
"content_sha256": "sha256:3b6f1d7a74b32ea172e1ac97db4e1838f36a80f31c873539cc02964211432f7a",
"contradictions": [],
"coverage": {
"conflicted": 0,
"corroborated": 4,
"single_source": 0
},
"efficiency": {
"estimate_method": "characters_divided_by_4",
"estimated_page_tokens": 12000,
"estimated_response_tokens": 600,
"estimated_tokens_avoided": 11400,
"page_characters": 48000,
"response_characters": 2400
},
"fields": {
"availability": {
"sources": [
{
"channel": "json_ld",
"excerpt": "\"availability\": \"https://schema.org/InStock\"",
"value": "https://schema.org/InStock"
},
{
"channel": "visible_text",
"excerpt": "In stock",
"value": "https://schema.org/InStock"
}
],
"status": "corroborated",
"value": "https://schema.org/InStock"
},
"name": {
"sources": [
{
"channel": "json_ld",
"excerpt": "\"name\": \"The Classic Seed Sack\"",
"value": "The Classic Seed Sack"
},
{
"channel": "visible_text",
"excerpt": "The Classic Seed Sack",
"value": "The Classic Seed Sack"
}
],
"status": "corroborated",
"value": "The Classic Seed Sack"
},
"price": {
"sources": [
{
"channel": "json_ld",
"excerpt": "\"price\": \"17.99\"",
"value": "17.99"
},
{
"channel": "visible_text",
"excerpt": "$17.99",
"value": 17.99
}
],
"status": "corroborated",
"value": 17.99
},
"sku": {
"sources": [
{
"channel": "json_ld",
"excerpt": "\"sku\": \"11413-1983\"",
"value": "11413-1983"
},
{
"channel": "visible_text",
"excerpt": "SKU: 11413-1983",
"value": "11413-1983"
}
],
"status": "corroborated",
"value": "11413-1983"
}
},
"observed_at": "2026-07-20T12:00:00.000Z",
"scope": "page_consistency"
},
"verification_version": "product/v1"
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/40720.jsonfor the price and payment options. - Pay. Call
GET https://jsonrecon.com/extract/verified. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.02 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base
- Demand
- 7 calls · 2 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.02 | 0xC1726e09aEa4b9b967353B7b56890955E9E5Bc2c | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xC1726e09aEa4b9b967353B7b56890955E9E5Bc2c",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"amountUsd": 0.02,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"description": "A successful Product verification response with a page-consistency verdict, field evidence, contradictions, coverage, observation time, and content hash.",
"properties": {
"cached": {
"type": "boolean"
},
"data": {
"additionalProperties": true,
"description": "The sanitized Product entity whose fields were assessed.",
"properties": {
"@context": {},
"@type": {
"const": "Product",
"type": "string"
},
"offers": {
"description": "One offer or an array of offers. Price is optional; clients must accept numeric prices as well as retained text.",
"oneOf": [
{
"additionalProperties": true,
"properties": {
"price": {
"description": "A Product price. Parseable offer prices are returned as JSON numbers; retained source text can be a string. Do not infer a string-only type from source markup.",
"oneOf": [
{
"type": "number"
},
{
"type": "string"
}
]
}
},
"type": "object"
},
{
"items": {
"additionalProperties": true,
"properties": {
"price": {
"description": "A Product price. Parseable offer prices are returned as JSON numbers; retained source text can be a string. Do not infer a string-only type from source markup.",
"oneOf": [
{
"type": "number"
},
{
"type": "string"
}
]
}
},
"type": "object"
},
"type": "array"
}
]
}
},
"required": [
"@type"
],
"type": "object"
},
"extraction_ms": {
"minimum": 0,
"type": "number"
},
"schema_type": {
"const": "Product",
"type": "string"
},
"success": {
"const": true,
"type": "boolean"
},
"verdict": {
"enum": [
"verified",
"conflicted",
"insufficient_evidence"
],
"type": "string"
},
"verification": {
"additionalProperties": false,
"properties": {
"ambiguous_offer": {
"type": "boolean"
},
"content_sha256": {
"pattern": "^sha256:[a-f0-9]{64}$",
"type": "string"
},
"contradictions": {
"items": {
"additionalProperties": false,
"properties": {
"field": {
"type": "string"
},
"severity": {
"const": "critical",
"type": "string"
},
"values": {
"items": {
"additionalProperties": false,
"properties": {
"channel": {
"enum": [
"json_ld",
"metadata",
"microdata",
"visible_text"
],
"type": "string"
},
"value": {
"description": "A bounded value observed in one representation of the page. Source values retain their representation: price evidence may mix strings and numbers."
}
},
"required": [
"channel",
"value"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"field",
"severity",
"values"
],
"type": "object"
},
"type": "array"
},
"coverage": {
"additionalProperties": false,
"properties": {
"conflicted": {
"minimum": 0,
"type": "integer"
},
"corroborated": {
"minimum": 0,
"type": "integer"
},
"single_source": {
"minimum": 0,
"type": "integer"
}
},
"required": [
"corroborated",
"conflicted",
"single_source"
],
"type": "object"
},
"efficiency": {
"additionalProperties": false,
"properties": {
"estimate_method": {
"const": "characters_divided_by_4",
"type": "string"
},
"estimated_page_tokens": {
"minimum": 0,
"type": "integer"
},
"estimated_response_tokens": {
"minimum": 0,
"type": "integer"
},
"estimated_tokens_avoided": {
"minimum": 0,
"type": "integer"
},
"page_characters": {
"minimum": 0,
"type": "integer"
},
"response_characters": {
"minimum": 0,
"type": "integer"
}
},
"required": [
"estimate_method",
"page_characters",
"response_characters",
"estimated_page_tokens",
"estimated_response_tokens",
"estimated_tokens_avoided"
],
"type": "object"
},
"fields": {
"additionalProperties": {
"additionalProperties": false,
"properties": {
"sources": {
"items": {
"additionalProperties": false,
"properties": {
"channel": {
"enum": [
"json_ld",
"metadata",
"microdata",
"visible_text"
],
"type": "string"
},
"excerpt": {
"maxLength": 160,
"type": "string"
},
"value": {
"description": "A bounded value observed in one representation of the page. Source values retain their representation: price evidence may mix strings and numbers."
}
},
"required": [
"channel",
"value"
],
"type": "object"
},
"type": "array"
},
"status": {
"enum": [
"corroborated",
"conflicted",
"single_source"
],
"type": "string"
},
"value": {
"description": "A bounded value observed in one representation of the page. Source values retain their representation: price evidence may mix strings and numbers."
}
},
"required": [
"value",
"status",
"sources"
],
"type": "object"
},
"properties": {
"price": {
"additionalProperties": false,
"properties": {
"sources": {
"items": {
"additionalProperties": false,
"properties": {
"channel": {
"enum": [
"json_ld",
"metadata",
"microdata",
"visible_text"
],
"type": "string"
},
"excerpt": {
"maxLength": 160,
"type": "string"
},
"value": {
"description": "Observed price in this source representation. JSON-LD, metadata, and microdata may retain strings; visible-text evidence may contain the normalized number.",
"oneOf": [
{
"type": "number"
},
{
"type": "string"
}
]
}
},
"required": [
"channel",
"value"
],
"type": "object"
},
"type": "array"
},
"status": {
"enum": [
"corroborated",
"conflicted",
"single_source"
],
"type": "string"
},
"value": {
"description": "A Product price. Parseable offer prices are returned as JSON numbers; retained source text can be a string. Do not infer a string-only type from source markup.",
"oneOf": [
{
"type": "number"
},
{
"type": "string"
}
]
}
},
"required": [
"value",
"status",
"sources"
],
"type": "object"
}
},
"type": "object"
},
"observed_at": {
"type": "string"
},
"scope": {
"const": "page_consistency",
"type": "string"
}
},
"required": [
"scope",
"observed_at",
"content_sha256",
"fields",
"contradictions",
"coverage",
"ambiguous_offer",
"efficiency"
],
"type": "object"
},
"verification_version": {
"pattern": "^product\\/v[0-9]+$",
"type": "string"
}
},
"required": [
"success",
"data",
"schema_type",
"verification_version",
"verdict",
"verification",
"cached",
"extraction_ms"
],
"title": "JSON Recon Verified Product result",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"cached": true,
"data": {
"@context": null,
"@type": "string",
"offers": null
},
"extraction_ms": 0,
"schema_type": "string",
"success": true,
"verdict": "verified",
"verification": {
"ambiguous_offer": true,
"content_sha256": "string",
"contradictions": [
{
"field": "string",
"severity": "string",
"values": [
{
"channel": null,
"value": null
}
]
}
],
"coverage": {
"conflicted": 0,
"corroborated": 0,
"single_source": 0
},
"efficiency": {
"estimate_method": "string",
"estimated_page_tokens": 0,
"estimated_response_tokens": 0,
"estimated_tokens_avoided": 0,
"page_characters": 0,
"response_characters": 0
},
"fields": {
"price": {
"sources": [
{
"channel": null,
"excerpt": null,
"value": null
}
],
"status": "corroborated",
"value": null
}
},
"observed_at": "string",
"scope": "string"
},
"verification_version": "string"
},
"type": "string"
}Examples
curl
curl "https://jsonrecon.com/extract/verified"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidJavaScript
const res = await fetch("https://jsonrecon.com/extract/verified");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://jsonrecon.com/extract/verified")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- jsonrecon.com
- Endpoint
- https://jsonrecon.com/extract/verified
- Machine-readable
/resources/40720.json