Use when an agent must vet a South Korean supplier or counterparty before paying
Use when an agent must vet a South Korean supplier or counterparty before paying, contracting or onboarding it. Input: one of business_number, dart_corp_code, stock_code or q (exact company name). Output: JSON summary (riskLevel, riskFlags such as closed/suspended or sanctions match, per-section status) plus NTS status, DART profile, 12-month KONEPS award summary and OFAC/EU/UK screening of the English name. Not a legal determination. Example: ?stock_code=005930
Answeringour last check, 2026-10-26
1 of 1checks answered this week
1140 msmedian answer time
$0.015listed price per call
$0.015price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://1gateway.dev/v1/kr/supplier/check
| Category | Company and compliance |
|---|---|
| Provider host | 1gateway.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-26 | valid payment request | 402 | $0.015 | 1140 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"business_number": "1248100998",
"dart_corp_code": "00126380",
"q": "\uc0bc\uc131\uc804\uc790",
"stock_code": "005930"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"business_number": {
"description": "Business registration number (\uc0ac\uc5c5\uc790\ub4f1\ub85d\ubc88\ud638), 10 digits",
"examples": [
"1248100998"
],
"maxLength": 12,
"pattern": "^\\d{3}-?\\d{2}-?\\d{5}$",
"type": "string"
},
"dart_corp_code": {
"description": "OpenDART corp_code (8 digits)",
"examples": [
"00126380"
],
"pattern": "^\\d{8}$",
"type": "string"
},
"q": {
"description": "Company name (Korean or English), matched exactly after removing legal-form words",
"examples": [
"\uc0bc\uc131\uc804\uc790"
],
"maxLength": 100,
"type": "string"
},
"stock_code": {
"description": "KRX stock code",
"examples": [
"005930"
],
"pattern": "^[0-9A-Za-z]{6}$",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alternatives": {
"items": {},
"type": "array"
},
"ambiguous": {
"type": "boolean"
},
"attribution": {
"items": {
"type": "string"
},
"type": "array"
},
"checkedAt": {
"type": "string"
},
"company": {
"properties": {
"businessNumber": {
"type": "string"
},
"companyId": {
"type": "string"
},
"dartCorpCode": {
"type": [
"string",
"null"
]
},
"match": {
"properties": {
"confidence": {
"type": "integer"
},
"type": {
"type": "string"
}
},
"type": "object"
},
"name": {
"type": "string"
},
"nameEn": {
"type": "string"
},
"stockCode": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"disclaimer": {
"type": "string"
},
"notes": {
"items": {
"type": "string"
},
"type": "array"
},
"procurement": {
"properties": {
"awards": {
"type": "integer"
},
"largestKrw": {
"type": "integer"
},
"lastAwardOn": {
"type": [
"string",
"null"
]
},
"range": {
"properties": {
"from": {
"type": "string"
},
"to": {
"type": "string"
}
},
"type": "object"
},
"status": {
"type": "string"
},
"topAgencies": {
"items": {
"properties": {
"agencyName": {
"type": "string"
},
"awards": {
"type": "integer"
},
"totalKrw": {
"type": "integer"
}
},
"type": "object"
},
"type": "array"
},
"totalKrw": {
"type": "integer"
},
"truncated": {
"type": "boolean"
}
},
"type": "object"
},
"profile": {
"properties": {
"address": {
"type": "string"
},
"asOf": {
"type": "string"
},
"corporateNumber": {
"type": "string"
},
"dartSnapshot": {
"type": "string"
},
"foundedOn": {
"type": "string"
},
"homepageUrl": {
"type": "string"
},
"industryCode": {
"type": "string"
},
"market": {
"type": "string"
},
"reason": {
"type": "string"
},
"status": {
"type": "string"