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Quick Start
Get started with Kynode in 3 minutes. This guide will walk you through making your first API call.
1. Get Your API Key
Sign up for a free account and create an API key from your dashboard.
2. Make Your First Request
Use cURL, or any HTTP client to verify a Korean business number.
cURL
curl -X POST "https://kynode-api.kynode.workers.dev/v1/verify" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"business_number": "8090903407",
"startDate": "20260513",
"ownerName": "강민구",
"company_name": "노드메트릭스",
"language": "en"
}'3. Handle the Response
The API returns a JSON response with business information.
Response200 OK
{
"isValid": true,
"businessInfo": {
"businessNumber": "8090903407",
"companyName": "Nodemetrics",
"companyNameOriginal": "노드메트릭스",
"companyNameSource": "dart",
"representative": "강민구",
"status": "Active",
"statusCode": "01",
"taxType": "General VAT Taxpayer",
"taxTypeCode": "01",
"verifiedAt": 1747123456789
}
}Language Support
English and Korean supported. Additional languages available on request. language
| Language | Code | Description |
|---|---|---|
| English | en | English output with DART-verified company names (117,078 companies) |
| Korean | ko | Korean output (default) |
| Both | both | Korean and English in one response |
| Code | code | Minimal response with status codes only |