# Pocket Factory Korean Business Registration Status Lookup

> Pocket Factory Korean Business Registration Status Lookup is a paid API for AI agents from api.pocketfactory.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Looks up the registration status of a Korean business by its 10-digit business registration number (사업자등록번호) via the National Tax Service public data portal

## Facts

- Endpoint: GET https://api.pocketfactory.ai/v1/kr/business/status
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/pocket-factory-korean-business-registration-status-lookup-8fabb6fd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_N2utSN3w_DMTHcIcQ0rC6

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 pocket-factory-korean-business-registration-status-lookup-8fabb6fd
```

Example prompt: Can you check the registration status of Korean business number 123-45-67890? I need to know if they're still an active business and what their tax type is.

## When to prefer this

Use this endpoint when you need to verify the legal registration status of a South Korean business entity using its official 사업자등록번호. It is the authoritative source backed by the Korea National Tax Service. Prefer this over manual lookups or third-party Korean business databases when you need real-time, government-sourced status and tax classification data for due diligence, compliance, or vendor onboarding workflows.

## Known failure modes

- Invalid or malformed business registration number returns no match or error
- Business number not found in NTS database returns match: false
- NTS public data portal downtime may cause upstream errors
- Business numbers with formatting issues (extra hyphens, wrong digit count) may fail validation
- Rate limiting or payment failure returns HTTP 402

## How this service works

포켓팩토리 공식 웹사이트 — 작은 웹 제품과 브라우저 게임을 만드는 개인 스튜디오

## Output

Returns a JSON object containing the 10-digit business registration number, a boolean match flag indicating whether the number was found, the business status (e.g. 계속사업자 = ongoing business), the closure date if applicable, the tax type (e.g. 부가가치세 일반과세자 = general VAT taxpayer), the data source (Korea NTS public data portal), and a timestamp of when the data was retrieved.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "b_no"
     ],
     "properties": {
      "b_no": {
       "type": "string",
       "description": "Korean business registration number, 10 digits (hyphens optional)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "b_no": "1234567890",
  "match": true,
  "result": {
   "b_stt": "계속사업자",
   "end_dt": "",
   "tax_type": "부가가치세 일반과세자"
  },
  "source": "국세청 사업자등록정보 상태조회 (공공데이터포털)",
  "retrieved_at": "2026-08-05T08:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/pocket-factory-korean-business-registration-status-lookup-8fabb6fd/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.pocketfactory.ai](https://www.zero.xyz/host/api.pocketfactory.ai/llms.txt)