Official Irish company registry lookup (Companies Registration Office — CRO Open
Official Irish company registry lookup (Companies Registration Office — CRO Open Data, complete daily snapshot, CC BY 4.0). CRO number, 1-7 digits, e.g. 600161. Common identity (name, type, status, incorporation, registered office with Eircode) plus the CRO block: 33 status codes in closed families (normal, dissolved, liquidation, strike-off, examinership…), 45 type codes, annual-return dates, last accounts, NACE, 2022-2024 filings index (dates). 404 without charge if absent.
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://api.sirenic.eu/v1/eu/entreprise/IE/:numero
| Category | Company and compliance |
|---|---|
| Provider host | api.sirenic.eu |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 883 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"numero": "600161"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"numero": {
"description": "Irish CRO company number, 1 to 7 digits (IE prefix tolerated), e.g. 600161",
"type": "string"
}
},
"required": [
"numero"
],
"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"
}