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The National Population Register (FREG)

Skatteetaten's modernised population register. Contains personal data, residential addresses, marital status, citizenship and family relations. Access via Digdir approval.

5.5M rows

Data volume

Daily

Updates

3

MCP tools

Example response — /person
{
  "data": "..."
}

MCP integration

Available MCP tools
freg.config.status
freg.id_types.list
freg.person
Configuration for Claude Desktop / Cursor
{
  "mcpServers": {
    "folkeregisteret": {
      "url": "https://data.ketl.no/mcp/folkeregisteret",
      "headers": {
        "Authorization": "Bearer $KETL_API_KEY"
      }
    }
  }
}

API endpoints

GET
/person

Hent persondata (krever Maskinporten)

fnr required
Fødselsnummer (11 siffer) — krever Maskinporten Ekte fødselsnummer utelatt av personvernhensyn — et oppdiktet fnr ser ut som en kallbar verdi og gir avslag fra en Maskinporten-gatet rute uten å forklare hvorfor. Krever et gyldig 11-sifret fnr (Maskinporten-autentisert).
Show curl example
# GET https://data.ketl.no/api/connectors/folkeregisteret/person
curl \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/folkeregisteret/person"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

POST
/persons/searchPlanned

Søk i folkeregisteret

Show curl example
# POST https://data.ketl.no/api/connectors/folkeregisteret/persons/search
curl -X POST \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/folkeregisteret/persons/search"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

Access and pricing

The National Population Register (FREG) requires extended access (contract-based — DPA-governed personal data or restricted sources). Contact admin@ketl.no.

personadressesivilstandbefolkning
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