curl --request GET \
  --url https://api.sandbox.monite.com/v1/document_templates \
  --header 'Authorization: Bearer <token>' \
  --header 'x-monite-entity-id: <x-monite-entity-id>' \
  --header 'x-monite-version: <x-monite-version>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "document_type": "receivable",
      "is_default": true,
      "language": "<string>",
      "name": "<string>",
      "template": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "blocks": [
        "<string>"
      ],
      "preview": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "file_type": "<string>",
        "md5": "<string>",
        "mimetype": "<string>",
        "name": "<string>",
        "region": "<string>",
        "s3_bucket": "<string>",
        "s3_file_path": "<string>",
        "size": 123,
        "url": "<string>"
      },
      "template_type": "source_object"
    }
  ]
}