x402 List

x402 Protocol Service Directory

JEONJANG Korea Automotive Electronics Intel

Data

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.

Pay from $0.45 per request in USDC on Base / Polygon, settled onchain via the x402 protocol, no signup, no API key needed.

listed 2026-07-25 · no on-chain settlement recorded yet

BASE URL https://jeonjang.kr WEBSITE https://jeonjang.kr ENDPOINTS 1 NETWORK Base / Polygon ASSET USDC MEMBER SINCE 2026-07-25 MONITORED SINCE 2026-07-25

ASSESSMENT

updated 3h ago

Evidence-backed signals, not a single score. Click any chip for the proof. Measured values stay read-only; unknown is honest.

reliability 100%
uptime 24h
-
uptime 7d
-
uptime 30d
-
uptime 90d
-
response p95
160ms
avg response
160ms
total checks
1
compliance A (11/11)

11 of 11 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.45 (p97 in Data)
price (min)
$0.45
category percentile (min)
p97 in Data
endpoints / prices
1 / 1
model
flat
stability
100%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
-
registrar
-
hosting
custom
domain created
---

Identity facts, not a risk score.

traction $0 30d · 0 buyers
volume 30d
$0
buyers 30d
0
settlements 30d
0
first settlement
---
last settlement
---
top buyer share
-
trend 7d vs 30d
-
networks
eip155:137, eip155:8453
volume all-time
$0
settlements all-time
0
median settlement 30d
$0
max settlement 30d
$0
settled via
-

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Provides Korean automotive electronics intelligence including news, analysis, and KPIs related to software-defined vehicles, ADAS, automotive semiconductors, in-vehicle networking, and power electronics from companies like Hyundai/Kia, Mobis, LG, and H.

category
automotive-intelligence
in
query params
automotiveelectronicsintelligencenewsanalysiskpisadassemiconductors

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET
GET /api/intel $0.45 Base/Polygon USDC
1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /api/intel returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://jeonjang.kr/api/intel'
// 402 response (captured by monitor) · 1 payload · click to expand
[
  {
    "error": "payment required for intel query",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xD727082fE03a798c667366b9467b1CF5964bBe54",
        "amount": "450000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 60
      },
      {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cc03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xD727082fE03a798c667366b9467b1CF5964bBe54",
        "amount": "450000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 60
      }
    ],
    "resource": {
      "url": "https://jeonjang.kr/api/intel",
      "mimeType": "application/json",
      "description": "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."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "q": "SDV",
              "depth": "brief",
              "limit": "10",
              "since": "2026-07-01"
            }
          },
          "output": {
            "type": "json"
          }
        },
        "tags": [
          "korea",
          "automotive",
          "automotive-electronics",
          "sdv",
          "adas",
          "semiconductors",
          "news",
          "korean-language"
        ],
        "schema": {
          "properties": {
            "input": {
              "required": [
                "method"
              ],
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "properties": {
                    "q": {
                      "type": "string",
                      "description": "keyword, matched against title and summary"
                    },
                    "depth": {
                      "enum": [
                        "index",
                        "brief",
                        "full"
                      ],
                      "type": "string",
                      "description": "index = title only ($0.01/item), brief = +summary +KPIs ($0.02/item), full = +body +sources ($0.10/item)"
                    },
                    "limit": {
                      "type": "string",
                      "description": "1-100, default 20"
                    },
                    "since": {
                      "type": "string",
                      "description": "YYYY-MM-DD, inclusive"
                    },
                    "until": {
                      "type": "string",
                      "description": "YYYY-MM-DD, inclusive"
                    },
                    "cursor": {
                      "type": "string",
                      "description": "opaque id from a previous response's nextCursor"
                    },
                    "category": {
                      "type": "string",
                      "description": "comma-separated free-text category labels, substring match"
                    }
                  }
                }
              }
            }
          }
        },
        "category": "data",
        "discoverable": true
      },
      "kr.jeonjang": {
        "preview": {
          "count": 20,
          "depth": "brief",
          "newest": "2026-07-25",
          "priceUSD": "$0.45"
        }
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts share the 24h window selected here. Every series is also served as JSON at /api/v1/services/jeonjang-korea-automotive-electronics-intel/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
07-25 · uptime 100.0% · 876ms avg07-2507-25
24h UPTIME 100%
RESPONSE TIME
07-25 · 876ms avg07-25 · 876ms avg07-2507-25
AVG RESP 876ms
PRICE (captured 402, USD)
building price history ($0.45)
SUB-SCORES (uptime + x402 compliance)
building assessment history (1 day so far)
VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

11/11 checks pass · grade A
  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (13) · click to expand
TIME STATUS RESP
● OK 1217ms
● OK 1044ms
● OK 620ms
● OK 1247ms
● OK 792ms
● OK 872ms
● OK 973ms
● OK 930ms
● OK 621ms
● OK 1002ms
● OK 1054ms
● OK 854ms
● OK 160ms

EMBED THIS BADGE

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JEONJANG Korea Automotive Electronics Intel listed on x402-list
status
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