Bulk supplier list screening: check up to 100 companies at once, $0
Bulk supplier list screening: check up to 100 companies at once, $0.02 per number, with per-number results and a summary. Batch KYB screening for vendor, customer and supplier onboarding lists. Live Korean National Tax Service (NTS) data.
2000000 (raw units)
price
3
calls / 30d
1
unique payers
2026-09-16
updated
Provider
kbv-server-f7vfitmlkq-du.a.run.app · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "upto",
"network": "eip155:8453",
"payTo": "0xbD23a7e6eE1F1b8b5D5AeFEB4fBdE2B84C04bD5C",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"business_numbers": [
"124-81-00998",
"123-45-67890"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"results": [
{
"business_number": "1248100998",
"cache": false,
"checked_at": "2026-09-03T00:56:04.239Z",
"closed_date": null,
"source": "Korea National Tax Service (NTS)",
"status": "active",
"status_code_raw": "01",
"tax_type": "general"
},
{
"business_number": "1234567890",
"cache": false,
"checked_at": "2026-09-03T00:56:04.239Z",
"closed_date": null,
"source": "Korea National Tax Service (NTS)",
"status": "not_registered",
"status_code_raw": "",
"tax_type": "general"
}
],
"summary": {
"active": 1,
"closed": 0,
"not_registered": 1,
"suspended": 0,
"total": 2
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"business_numbers": {
"description": "1-100 Korean business registration numbers; hyphens/spaces allowed",
"items": {
"type": "string"
},
"maxItems": 100,
"minItems": 1,
"type": "array"
}
},
"required": [
"business_numbers"
]
},
"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"
}
},
"eip2612GasSponsoring": {
"info": {
"description": "The facilitator accepts EIP-2612 gasless Permit to `Permit2` canonical contract.",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"description": "The amount to approve (uint256). Typically MaxUint.",
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"description": "The address of the ERC-20 token contract.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"deadline": {
"description": "The timestamp at which the signature expires.",
"pattern": "^[0-9]+$",
"type": "string"
},
"from": {
"description": "The address of the sender.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"nonce": {
"description": "The current nonce of the sender.",
"pattern": "^[0-9]+$",
"type": "string"
},
"signature": {
"description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"description": "The address of the spender (Canonical Permit2).",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"description": "Schema version identifier.",
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"nonce",
"deadline",
"signature",
"version"
],
"type": "object"
}
}
}Use it
curl
curl "https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/batch" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/batch");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/batch")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/7919.json, and this resource appears in /discovery/resources and /discovery/search.