curl --request GET \
  --url https://api.decodahealth.com/admin/assistants/{assistant_id} \
  --header 'API-KEY: <api-key>' \
  --header 'TENANT: <tenant>'

{
  "id": "<string>",
  "firstName": "<string>",
  "assistantType": "SCHEDULER",
  "timezone": "<string>",
  "description": "<string>",
  "customPrompt": "<string>",
  "modality": "VOICE",
  "beginSentenceTemplate": "<string>",
  "model": "gemini-2.5-flash",
  "tools": [
    "<string>"
  ],
  "enabled": true,
  "phoneNumber": "<string>",
  "fallbackPhoneNumber": "<string>",
  "isArchived": true,
  "isDefault": true,
  "primaryLocationId": "<string>",
  "recurringEvents": []
}