curl --request GET \
  --url https://api.silnahealth.com/public/v1/prior-authorizations/{prior_authorization_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "specialty": "PHYSICAL_THERAPY",
  "requested_treatment_codes": [
    {
      "treatment_codes": [
        {
          "code": "<string>",
          "description": "<string>",
          "standard": "CPT",
          "treatment_code_modifiers": [
            {
              "code": "<string>",
              "description": "<string>"
            }
          ]
        }
      ],
      "units": "2.5",
      "unit_type": "VISITS",
      "time_frame": "TOTAL"
    }
  ],
  "approved_treatment_codes": [
    {
      "treatment_codes": [
        {
          "code": "<string>",
          "description": "<string>",
          "standard": "CPT",
          "treatment_code_modifiers": [
            {
              "code": "<string>",
              "description": "<string>"
            }
          ]
        }
      ],
      "units": "2.5",
      "unit_type": "VISITS",
      "time_frame": "TOTAL",
      "reference_number": null,
      "approved_start_date": null,
      "approved_end_date": null
    }
  ],
  "requested_start_date": null,
  "requested_end_date": null,
  "status": "DATA_REQUESTED",
  "reference_numbers": [
    "<string>"
  ],
  "authorization_type": "ASSESSMENT_AUTHORIZATION",
  "approval_files": [
    {
      "document_type": "APPROVAL_LETTER",
      "file_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "denial_files": [
    {
      "document_type": "DENIAL_LETTER",
      "file_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "other_files": [
    {
      "document_type": "AUTHORIZATION_FORM",
      "file_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "submitted_at": null,
  "last_updated_at": null,
  "clinician": null,
  "required_data": null,
  "silna_url": null
}