Czech business register (ARES) record by IČO (8-digit company number)
Czech business register (ARES) record by IČO (8-digit company number): business name, VAT ID (DIČ), legal form code, registered address, incorporation and last-update dates, tax office code. Public ARES data; codes are raw ARES codes.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
35 msmedian answer time
$0.002listed price per call
$0.002price 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
GET https://api.companyrecords-api.workers.dev/api/gov/ares-czech
| Category | Code and developer |
|---|---|
| Provider host | api.companyrecords-api.workers.dev |
| Networks | eip155:10, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:480, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, xrpl:0 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.002 | 35 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"ico": "45274649"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"ico": {
"description": "Czech company number (I\u010cO), 8 digits, e.g. 45274649",
"type": "string"
}
},
"required": [
"ico"
],
"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"
}