# KMDE Data API — KOSDAQ OpenDART 7-Day Disclosure Snapshot (All, v20261008T124737Z)

> KMDE Data API — KOSDAQ OpenDART 7-Day Disclosure Snapshot (All, v20261008T124737Z) is a paid API for AI agents from kmde-snapshot-candidate.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).

Returns a versioned, cryptographically-evidenced JSON snapshot of all KOSDAQ company disclosures filed with OpenDART over the 7-day window ending 2026-10-08.

## Facts

- Endpoint: GET https://kmde-snapshot-candidate.onrender.com/v1/opendart/kosdaq/20261008T124737Z/all.json?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kmde-data-api-kosdaq-opendart-7-day-disclosure-snapshot-all-a954df83
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_laTpjzLDAuQuxLh-iUAIR

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability kmde-data-api-kosdaq-opendart-7-day-disclosure-snapshot-all-a954df83
```

Example prompt: Pull the full KOSDAQ OpenDART disclosure snapshot for the 7-day period ending October 8, 2026 — I need all filings listed with their SHA-256 page evidence so I can verify the data integrity.

## When to prefer this

Choose this endpoint when you need a fixed, immutable, cryptographically-evidenced snapshot of all KOSDAQ OpenDART disclosures for the specific 7-day window ending 2026-10-08. It is ideal for compliance auditing, reproducible research, or backtesting where data immutability and SHA-256 provenance hashes matter. Prefer it over direct OpenDART API calls when you need a single pre-aggregated, paginated-and-verified dataset without managing rate limits or pagination yourself.

## Known failure modes

- Version path mismatch (only version '20261008T124737Z' is accepted — any other value returns 4xx)
- Endpoint on Render free tier may be slow or cold-start delayed
- Payment failure via x402 protocol results in 402 response before data is returned
- Truncated or incomplete response if upstream OpenDART source was partially unavailable during snapshot collection
- Idempotency-Key header format violation (must match ^[!-~]+$ pattern, max 128 chars)

## How this service works

한국 HS854232 무역 통계, 코스닥 OpenDART 7일 공시 목록과 Base ERC-20 계약 기초 사실의 무료 목록·샘플 및 x402 고정 버전 JSON API.

## Output

A structured JSON object containing: market scope metadata (KOSDAQ_ALL, 7-day period), version timestamp, coverage details (source URL, date range, SHA-256 hashes per paginated page with observation timestamps, total page count, quarantine count), and the full list of KOSDAQ disclosure filings sourced from OpenDART's public API.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input",
  "output"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "pathParams"
   ],
   "properties": {
    "type": {
     "const": "http"
    },
    "method": {
     "const": "GET"
    },
    "headers": {
     "type": "object",
     "properties": {
      "Idempotency-Key": {
       "type": "string",
       "pattern": "^[!-~]+$",
       "maxLength": 128,
       "minLength": 1
      }
     },
     "additionalProperties": false
    },
    "pathParams": {
     "type": "object",
     "required": [
      "version"
     ],
     "properties": {
      "version": {
       "const": "20261008T124737Z"
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type",
    "format",
    "example"
   ],
   "properties": {
    "type": {
     "const": "json"
    },
    "format": {
     "const": "application/json"
    },
    "example": {
     "type": "object"
    }
   },
   "additionalProperties": false
  }
 },
 "additionalProperties": false
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "format": "application/json",
 "example": {
  "scope": {
   "market": "KOSDAQ",
   "collection": "KOSDAQ_ALL",
   "period_days_inclusive": 7
  },
  "version": "20261008T124737Z",
  "coverage": {
   "source": "https://opendart.fss.or.kr/api/list.json",
   "date_end": "20261008",
   "date_start": "20261002",
   "page_evidence": [
    {
     "page_no": 1,
     "raw_sha256": "0f64aabef507dcbacbf152fc1e2f60469c9911903f9f885347fee2cc197d1ecb",
     "observed_at_utc": "2026-10-08T12:47:24.3781036Z"
    },
    {
     "page_no": 2,
     "raw_sha256": "ad7c081afd0e01acc65da167b3dfd474012bfb7f0fcdb5c80d7d7afc5740b1d0",
     "observed_at_utc": "2026-10-08T12:47:26.0021761Z"
    },
    {
     "page_no": 3,
     "raw_sha256": "58ef9c69e250225f8f09b28645f3a5381369f33953130bc373e7312590f0e103",
     "observed_at_utc": "2026-10-08T12:47:27.1182816Z"
    },
    {
     "page_no": 4,
     "raw_sha256": "000623382c8617e688519d9abf27ff0ad3324359b76b1196eb18c1a8b20ffa7b",
     "observed_at_utc": "2026-10-08T12:47:28.2699036Z"
    },
    {
     "page_no": 5,
     "raw_sha256": "037c61c29cec7f63e8ce156582042cf4aa2b274ece6ed8fc12ccec0797b0f3da",
     "observed_at_utc": "2026-10-08T12:47:29.0967240Z"
    },
    {
     "page_no": 6,
     "raw_sha256": "558df58b209647f44864f7d629012510b4457a9a0889364f922dd1d29609551e",
     "observed_at_utc": "2026-10-08T12:47:31.2279705Z"
    },
    {
     "page_no": 7,
     "raw_sha256": "85fe9b6135aad8581e62ee8c356224a141b5844ffb578891357d516ffce3303b",
     "observed_at_utc": "2026-10-08T12:47:32.4551172Z"
    },
    {
     "page_no": 8,
     "raw_sha256": "b960c1ca1c64fad8a6c32356a9a4e70c1022cc9e52fce0ca790853214802be39",
     "observed_at_utc": "2026-10-08T12:47:32.9389523Z"
    },
    {
     "page_no": 9,
     "raw_sha256": "751e1ff5a9f5b6e732ad0fccdcf525f0f7703aba3c406fb7db17d79bbbf447a6",
     "observed_at_utc": "2026-10-08T12:47:33.6385409Z"
    },
    {
     "page_no": 10,
     "raw_sha256": "00970ab05edd184d2d5216b87aa7706630b81ab80486bb2dfae92666128f0f85",
     "observed_at_utc": "2026-10-08T12:47:34.9310319Z"
    },
    {
     "page_no": 11,
     "raw_sha256": "49807ede10801102eb1f6dccdce89bc0675d6d4b945fcd063715d50c39d36e41",
     "observed_at_utc": "2026-10-08T12:47:36.1170411Z"
    }
   ],
   "observed_at_utc": "2026-10-08T12:47:37.0144296Z",
   "pagination_atomic": false,
   "quarantined_count": 0,
   "source_page_count": 11,
   "source_total_count": 1017,
   "collection_complete": true,
   "current_day_partial": 
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kmde-data-api-kosdaq-opendart-7-day-disclosure-snapshot-all-a954df83/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kmde-snapshot-candidate.onrender.com](https://www.zero.xyz/host/kmde-snapshot-candidate.onrender.com/llms.txt)
