# Joongna KR public resale listings

> Search native Korean listings; source pages 1–2.
> ReefAPI engine `joongna` · 2 endpoints · clean JSON, no scraping or browsers to manage.

## How to call
- **Endpoint:** `POST https://api.reefapi.com/joongna/v1/<action>` with a JSON body.
- **Auth:** header `x-api-key: <YOUR_REEFAPI_KEY>` — create one free (1,000 credits, no card): https://reefapi.com/signup
- **Response (every call):** `{ ok: boolean, data: ..., meta: { record_count, credits, ... }, error: { code, message } }` — branch on `ok`. Failed calls are free except verified SHEIN NOT_FOUND on product/detail and price (4 credits).
- **One key + one shared credit pool** across every ReefAPI API. Per-call credits are listed on each endpoint below.
- **Use it from an AI agent (MCP):** connect `https://api.reefapi.com/mcp` (remote streamable-http). Send the key as `Authorization: Bearer <key>`, or put it in the URL (`?key=<key>`) when the client has no header field, as ChatGPT does.

## Endpoints

### POST https://api.reefapi.com/joongna/v1/search — 3 credits
Search native Korean listings; source pages 1–2.

**Parameters:**
- `query` (string, required) — Search text.
- `page` (integer, optional, default 1) — Source page, one based.
- `limit` (integer, optional, default 10) — Local result cap; source stride stays 50.

**Returns:** results[]{listing_id,title,url,price,currency,image,seller,status_code},source_total,page,has_more

**Example request body:**
```json
{
  "query": "iphone",
  "page": 1,
  "limit": 10
}
```

### POST https://api.reefapi.com/joongna/v1/listing_detail — 3 credits
Full public listing by a native search listing_id.

**Parameters:**
- `listing_id` (string, required) — Native listing ID from search.

**Returns:** listing_id,title,url,price,currency,description,images[],seller,status_code,condition_code,delivery_options,gtin

**Example request body:**
```json
{
  "listing_id": "232705941"
}
```

## At scale
- **Volume:** 5M+ requests a day, measured at 60 requests a second across the fleet with no
  central bottleneck. Per-key limits are raised for high-volume accounts; volume pricing on request.
- **Missing a source:** tell us a site we do not cover and it becomes an engine. A customer asked
  for bestprice.gr on 21 Sep 2026 and it was in the catalog on 22 Sep.
- **Support:** 2 minute median time from a question in the live chat to the first answer. Setup
  help included, no support tier to buy.
- **One key, one credit pool** across every API. No per-site plans, no separate subscriptions.

## More
- Try it live, no code: https://reefapi.com/playground?engine=joongna
- Human docs page: https://reefapi.com/docs/joongna
- Overview page: https://reefapi.com/joongna-api
- Every ReefAPI API in one file (for your AI): https://reefapi.com/llms-full.txt