Get issue by ID

curl --request GET \
  --url https://api.vanta.com/v1/issues/{issueId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "683e9af1b1234567890abcde",
  "readableIssueId": "ISS-001",
  "createdDate": "2026-01-15T10:00:00.000Z",
  "createdBy": {
    "actorType": "USER",
    "actorId": "user-123"
  },
  "lastModifiedBy": {
    "actorType": "USER",
    "actorId": "user-123"
  },
  "lastModifiedDate": "2026-01-20T14:30:00.000Z",
  "title": "Access review process needs documentation",
  "description": "The access review process lacks formal documentation.",
  "owners": [
    {
      "ownerType": "USER",
      "ownerId": "user-456"
    }
  ],
  "severity": "MEDIUM",
  "status": "IN_PROGRESS",
  "rootCause": "Process was informally defined and not documented.",
  "correctiveAction": "Document the access review process and train relevant staff.",
  "dueDate": "2026-03-01T00:00:00.000Z",
  "source": {
    "sourceType": "SELF_ASSESSMENT"
  },
  "controlDomain": "Identity and Access Management",
  "closedMetadata": null,
  "detectedDate": "2026-01-10T00:00:00.000Z",
  "mappedControlIds": [],
  "mappedRiskScenarioIds": [],
  "mappedPolicyIds": [],
  "customFields": [],
  "template": "STANDARD_ISSUE",
  "type": null
}