invalid_identifier

Why it happens

Identifiers are checked for the register's format before a lookup runs, so a mistyped number fails early.

How to fix it

Use the exact number a search result returned, including leading zeros and any country prefix. Do not add separators or strip characters.

Example response

{
  "type": "https://corpoapi.com/errors/invalid_identifier",
  "title": "Invalid identifier",
  "status": 400,
  "code": "invalid_identifier",
  "detail": "The identifier is not a valid SE-ORGNR number.",
  "request_id": "8f3c2a1e-5b7d-4c9a-9e2f-1a2b3c4d5e6f"
}