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Api Endpoint

Sirenic

Official Czech company registry lookup (ARES, register of economic subjects, Ministry of Finance of Czechia). Query: /v1/eu/entreprise/CZ/45274649 (8-digit IČO / ICO identifier). Returns legal name, legal form, normalized status, incorporation date, registered office and the DIČ (DIC) VAT number, live from ARES. Legal persons only: a sole trader's IČO or a form not recognised as a legal person returns 404, not billed. Unified JSON schema shared by all Sirenic European company profiles.

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Offering

Provider
api.sirenic.eu
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Legal And Compliance
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.sirenic.eu/v1/eu/entreprise/CZ/:id
MIME type
Not provided
First seen
2026-10-16T01:51:20.002Z
Last seen
Tags
czechia, czech-company-registry, ares, ico, company-lookup

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
10000 atomic units
Atomic price: 10000 · Network: eip155:8453 · Asset: 0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
    "amount": "10000",
    "payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2"
  }
]

Observed health

Status
Healthy
Latest latency
1169 ms
Average latency
1691 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "pathParams": {
      "properties": {
        "id": {
          "description": "Czech IČO, exactly 8 digits (ARES, Registr ekonomických subjektů, MF ČR). LEGAL PERSONS ONLY: a sole trader's IČO or a form not recognised as a legal person returns 404, payment cancelled., e.g. 45274649",
          "type": "string"
        }
      },
      "required": [
        "id"
      ],
      "type": "object"
    },
    "queryParams": {
      "properties": {},
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "pathParams": {
          "properties": {
            "id": {
              "description": "Czech IČO, exactly 8 digits (ARES, Registr ekonomických subjektů, MF ČR). LEGAL PERSONS ONLY: a sole trader's IČO or a form not recognised as a legal person returns 404, payment cancelled., e.g. 45274649",
              "type": "string"
            }
          },
          "required": [
            "id"
          ],
          "type": "object"
        },
        "queryParams": {
          "properties": {},
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}