Blockchain Data · x402

Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per q…

by jeonjang.kr · discovered, not yet claimed by its owner · updated 2026-09-07

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

Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per query. Structured feed of Korean auto-electronics news, analysis and KPIs - software-defined vehicles, ADAS, automotive semiconductors, in-vehicle networking, power electronics, and the Hyundai/Kia, Mobis, LG and HL Mando supply chains - written from Korean primary reporting English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free.

Tags: bazaar · kr.jeonjang

Use with an agent

Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
Inspect. Fetch /resources/14980.json for the price and payment options.
Pay. Call GET https://jeonjang.kr/api/intel. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
Execute. The provider returns 200 with 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, Polygon, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price: $0.12 / request
Protocol: x402 v2
Auth: No account or API key. Pay per request.
Networks: Base, Polygon
Calls (30d): 3 · 3 unique payers (third-party data from the public x402 Bazaar)

x402 payment requirements

Scheme	Network	Asset	Amount	Pay to	Timeout
exact	Base eip155:8453	USDC	$0.12	0xD727082fE03a798c667366b9467b1CF5964bBe54	60s
exact	Polygon eip155:137	USDC	120000	0xD727082fE03a798c667366b9467b1CF5964bBe54	60s

accepts[] (raw JSON)

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xD727082fE03a798c667366b9467b1CF5964bBe54",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "120000",
    "amountUsd": 0.12,
    "maxTimeoutSeconds": 60
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0xD727082fE03a798c667366b9467b1CF5964bBe54",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
    "amount": "120000",
    "maxTimeoutSeconds": 60
  }
]

Schemas

Output schema (JSON Schema)

{
  "bazaar": {
    "category": "data",
    "discoverable": true,
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "depth": "brief",
          "limit": "10"
        },
        "type": "http"
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "category": {
                  "description": "comma-separated; raw Korean kicker substring or a facet from x-vocabulary in /openapi.json",
                  "type": "string"
                },
                "cursor": {
                  "description": "opaque id from a previous response's nextCursor",
                  "type": "string"
                },
                "depth": {
                  "description": "index = slug/date/category/title/facets (FREE, any limit), brief = +summary +KPIs ($0.022/item), full = +body +sources ($0.11/item). Paid queries add a $0.01 base fee, waived on cursor continuations. Empty results are free.",
                  "enum": [
                    "index",
                    "brief",
                    "full"
                  ],
                  "type": "string"
                },
                "limit": {
                  "description": "1-100, default 5",
                  "type": "string"
                },
                "q": {
                  "description": "keyword, matched against title and summary. Korean content; common English terms are auto-mapped to Korean.",
                  "type": "string"
                },
                "since": {
                  "description": "YYYY-MM-DD, inclusive",
                  "type": "string"
                },
                "until": {
                  "description": "YYYY-MM-DD, inclusive",
                  "type": "string"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "method"
          ]
        }
      }
    },
    "tags": [
      "korea",
      "automotive",
      "automotive-electronics",
      "sdv",
      "adas",
      "semiconductors",
      "news",
      "korean-language"
    ]
  },
  "kr.jeonjang": {
    "preview": {
      "count": 5,
      "depth": "brief",
      "newest": "2026-09-06",
      "priceUSD": "$0.12"
    }
  }
}

Example shape — generated from the schema, not a captured live response

null

Examples

curl

curl "https://jeonjang.kr/api/intel"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://jeonjang.kr/api/intel");
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://jeonjang.kr/api/intel")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider: jeonjang.kr
Endpoint: https://jeonjang.kr/api/intel
Machine-readable: /resources/14980.json