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GET
List filters

Authorizations

Authorization
string
header
required

An API key issued by The Data City, sent as: Authorization: Bearer YOUR_KEY

Response

OK

Response model containing available filter options for companies

TotalCompanies
integer<int32>
required

Total number of companies in the database

WZs
object[] | null
required

Hierarchical list of primary industry codes with counts

RTICs
object[] | null
required

Real-Time Industrial Classifications (RTIC) filter options with company counts.

RWZs
object[] | null
required

List of secondary industry codes with counts

List of legal forms with counts

EmployeeRanges
object[] | null
required

Employee-range (band) filter options with counts (id is URL-safe slug; name is DuckDB EmployeesBand label).

States
object[] | null
required

Bundesland filter options with counts (id is URL-safe slug; name is HQPostcodeDetails.County).

Last modified on July 30, 2026