KYB identity verification for due diligence and compliance
KYB identity verification for due diligence and compliance: confirm that a business registration number really matches the representative (CEO) name and opening date before onboarding, contracting with or paying a counterparty. Live Korean National Tax Service (NTS) data.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
374 msmedian answer time
$0.05listed price per call
$0.05price 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
POST https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/verify
| Category | Company and compliance |
|---|---|
| Provider host | kbv-server-f7vfitmlkq-du.a.run.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 374 ms |
Example input (from the provider)
{
"body": {
"business_number": "124-81-00998",
"opening_date": "2015-03-02",
"representative_name": "\ud64d\uae38\ub3d9"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "Optional business address to include in the match",
"type": "string"
},
"business_number": {
"description": "10-digit Korean business registration number; hyphens/spaces allowed",
"type": "string"
},
"opening_date": {
"description": "Business opening date, YYYY-MM-DD",
"type": "string"
},
"representative_name": {
"description": "Representative (CEO) name as registered",
"type": "string"
}
},
"required": [
"business_number",
"representative_name",
"opening_date"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}