List your certifications

{
  "items": [
    {
      "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
      "edition_id": "aeda7fca-56fe-426a-8c37-1876faaaf005",
      "template_id": "c6d67e98-83ea-49f0-8812-e4abae2b68bc",
      "registration_id": "7b2966db-5b97-451d-80d4-713d3a44078b",
      "user_id": "a169451c-8525-4352-b8ca-070dd449a1a5",
      "program_id": "70c1146b-e933-4cb2-a789-bbca5312b517",
      "verification_hash": "string",
      "valid": true,
      "invalid_reason": "string",
      "email_sent": true,
      "issued_at": "2019-08-24T14:15:22Z",
      "created_at": "2019-08-24T14:15:22Z",
      "updated_at": "2019-08-24T14:15:22Z"
    }
  ]
}

{
  "detail": "string",
  "instance": "../dictionary",
  "errors": [
    {
      "field": "string",
      "message": "string"
    }
  ],
  "type": "http://example.com",
  "status": 401,
  "title": "Unauthenticated"
}

{
  "detail": "string",
  "instance": "../dictionary",
  "errors": [
    {
      "field": "string",
      "message": "string"
    }
  ],
  "type": "http://example.com",
  "status": 500,
  "title": "Internal Server Error"
}