Company check (KYB)
Company check (KYB): registry status, VAT number validation (VIES), LEI and directors of a company by name, SIREN or VAT number
Not answeringour last check, 2026-10-18
0 of 1checks answered this week
n/amedian answer time
$0.009listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.17711.xyz/registry/company-check-service/v1/company-check/verify_company
| Category | Company and compliance |
|---|---|
| Provider host | api.17711.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no answer |
Example input (from the provider)
{
"body": {
"company_name": "string",
"country": "string",
"lei": "string",
"max_age_seconds": 0,
"registration_number": "string",
"vat_number": "string"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$defs": {
"Candidate": {
"properties": {
"city": {
"type": [
"string",
"null"
]
},
"name": {
"type": "string"
},
"registration_number": {
"type": "string"
},
"status": {
"type": "string"
}
},
"required": [
"name",
"registration_number",
"status"
],
"type": "object"
},
"Company": {
"properties": {
"activity_code": {
"description": "Main activity code (NAF/APE for France).",
"type": [
"string",
"null"
]
},
"address": {
"type": [
"string",
"null"
]
},
"closed_at": {
"description": "Date of closure (YYYY-MM-DD), when closed.",
"type": [
"string",
"null"
]
},
"country": {
"description": "ISO country code of the legal seat.",
"type": "string"
},
"created_at": {
"description": "Date of creation (YYYY-MM-DD).",
"type": [
"string",
"null"
]
},
"employees": {
"description": "Employee size bracket, e.g. `50-99`.",
"type": [
"string",
"null"
]
},
"head_office_id": {
"description": "SIRET of the head office (France).",
"type": [
"string",
"null"
]
},
"legal_form": {
"description": "Legal form (`SAS`, `SARL`, ...) or its register code.",
"type": [
"string",
"null"
]
},
"legal_name": {
"type": "string"
},
"lei": {
"type": [
"string",
"null"
]
},
"registration_number": {
"description": "Number in the company register (SIREN for France).",
"type": [
"string",
"null"
]
},
"size_category": {
"description": "Size category: `PME`, `ETI`, `GE`.",
"type": [
"string",
"null"
]
},
"status": {
"description": "`active`, `closed` or `unknown`.",
"type": "string"
},
"trade_name": {
"description": "Commercial name or acronym, when different.",
"type": [
"string",
"null"
]
},
"vat_number": {
"type": [
"string",
"null"
]
}
},
"required": [
"legal_name",
"status",
"country"
],
"type": "object"
},
"Director": {
"properties": {
"born": {
"description": "Month and year of birth (`1975-01`) for a person, as published in the register.",
"type": [
"string",
"null"
]
},
"kind": {
"description": "`person` or `company`.",
"type": "string"
},
"name": {
"description": "Full name of the person or the legal entity.",
"type": "string"
},
"nationality": {
"type": [
"string",
"null"
]
},
"registration_number": {
"description": "Registration number of a legal-entity director.",
"type": [
"string",
"null"
]
},
"role": {
"description": "Role as published (`Pr\u00e9sident de SAS`, `Directeur G\u00e9n\u00e9ral`, `Commissaire aux comptes titulaire`...).",
"type": "string"
}
},
"required": [
"name",
"role",
"kind"
],
"type": "object"
},
"Financial": {
"properties": {
"net_result": {
"description": "Net result, in euros.",
"format": "int64",
"type": [
"integer",
"null"
]
},
"revenue": {
"description": "Revenue, in euros.",
"format": "int64",
"type": [
"integer",
"null"
]
},
"year": {
"format": "uint32",
"minimum": 0,
"type": "integer"
}
},
"required": [
"year"
],
"type": "object"
},
"Flag": {
"properties": {
"code": {
"description": "Stable code, e.g. `company.closed`, `vat.invalid`, `vat.name_mismatch`, `lei.lapsed`.",
"type": "string"
},
"message": {
"type": "string"
},
"severity": {
"description": "`high`, `medium`, `low` or `info`.",
"type": "string"
}
},
"required": [
"severity",
"code",
"message"
],
"type": "object"
},
"LeiParent": {
"properties": {
"country": {
"type": [
"string",
"null"
]
},
"legal_name": {
"type": "string"
},
"lei": {
"type": "string"
}
},
"required": [
"lei",
"legal_name"
],
"type": "object"
},
"LeiRecord": {
"properties": {
"direct_parent": {
"anyOf": [
{
"$ref": "#/$defs/LeiParent"
},
{
"type": "null"
}
]
},
"entity_status": {
"description": "Entity status in the LEI register (`ACTIVE`, `INACTIVE`).",
"type": "string"
},
"lei": {
"type": "string"
},
"next_renewal": {
"type": [
"string",
"null"
]