Investigations

The NHTSA investigations that led to a recall campaign.

Open and closed, oldest first. Most campaigns followed no investigation and give an empty list, as every Transport Canada campaign does. The campaign number is not checked against the recall data.

get/v1/recalls/{source}/{campaign}/investigations

Request

  • Base URL: https://open.wenmarpro.com
  • URL: https://open.wenmarpro.com/v1/recalls/{source}/{campaign}/investigations
  • Auth: none declared

Path parameters

sourcestring required

Who published the campaign: nhtsa or tc (Transport Canada).

campaignstring required

The publisher's campaign number. Letters may be in either case.

Response

The investigations, oldest first.

as_ofstring required
attributionstring[] required
campaignstring required
notestring required
sourcestring required

nhtsa or tc.

urlstring required

The campaign's page on this site.

Example response

{
  "as_of": "2026-10-12",
  "campaign": "18V568000",
  "investigations": [
    {
      "action": "EA23001",
      "kind": "EA",
      "kind_name": "Engineering analysis",
      "match": "exact",
      "opened": "2023-03-17",
      "subject": "High pressure fuel pump failure"
    }
  ],
  "source": "nhtsa"
}

Changes

No recorded changes to this operation across all 1 revision of this API.