import requests

url = "https://{FUSION_HOST.com}/api/templating/renderDSL/{app}"

payload = {
    "context": {},
    "facets": {
        "fields": [
            {
                "domain": {
                    "additionalFilters": [{ "type": "<string>" }],
                    "excludedFiltersByName": ["<string>"]
                },
                "ensuredValues": ["<string>"],
                "field": "<string>",
                "limit": 123,
                "minCount": 123,
                "missing": True,
                "offset": 123,
                "prefix": "<string>",
                "sort": "count"
            }
        ],
        "groupFacets": True,
        "groupingMethod": "header_doc",
        "ranges": [
            {
                "domain": {
                    "additionalFilters": [{ "type": "<string>" }],
                    "excludedFiltersByName": ["<string>"]
                },
                "end": "<string>",
                "field": "<string>",
                "gap": "<string>",
                "hardEnd": True,
                "include": ["all"],
                "minCount": 123,
                "other": ["after"],
                "start": "<string>"
            }
        ]
    },
    "params": {},
    "queryDefinition": {
        "boostsByQuery": [
            {
                "boost": 123,
                "query": { "type": "<string>" },
                "type": "<string>"
            }
        ],
        "boostsByValues": [
            {
                "boosts": [
                    {
                        "boost": 123,
                        "key": "<string>"
                    }
                ],
                "field": "<string>"
            }
        ],
        "filters": [{ "type": "<string>" }],
        "groupedFilters": [{ "type": "<string>" }],
        "groupedQuery": { "type": "<string>" },
        "main": { "type": "<string>" },
        "namedFilters": [
            {
                "name": "<string>",
                "query": { "type": "<string>" }
            }
        ],
        "userQuery": "<string>"
    },
    "results": {
        "cursor": "<string>",
        "fields": ["<string>"],
        "group": {
            "field": "<string>",
            "leaderStrategy": { "type": "<string>" },
            "size": 123,
            "sort": [
                {
                    "order": "asc",
                    "query": { "type": "<string>" },
                    "type": "expression",
                    "value": "<string>"
                }
            ]
        },
        "highlight": {
            "count": 123,
            "defaultHighlight": True,
            "fields": ["<string>"],
            "length": 123,
            "post": "<string>",
            "pre": "<string>"
        },
        "includeRawResponse": True,
        "returnScore": True,
        "size": 123,
        "sort": [
            {
                "order": "asc",
                "query": { "type": "<string>" },
                "type": "expression",
                "value": "<string>"
            }
        ],
        "start": 123
    }
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "templateId": "441eb3be-7de6-470a-8141-e416a15c7db1",
  "rendered": [
    {
      "zone": {
        "name": "Results List",
        "id": "6a092bd4-5098-466c-94aa-40bf68294303",
        "type": "result-list",
        "queryProfile": "query-profile-name",
        "omitFilters": false,
        "dirty": false,
        "neverPublished": false,
        "metadata": {
          "image": "image-id",
          "secondary": "_text_",
          "primary": "primary-metadata-id",
          "layout": "grid"
        }
      },
      "inTemplates": [
        "e123f4bc-5e7e-46dd-9be8-71a4f73e511a, 8084969c-bd23-40f7-9acf-c68d6798bec2, 441eb3be-7de6-470a-8141-e416a15c7db1, fb148491-b39e-46d1-af33-44cd964d8ee0"
      ],
      "staging": false,
      "published": false,
      "layout": "grid"
    }
  ],
  "render": {
    "response": {
      "docs": [
        "<string>"
      ],
      "numFound": 123,
      "start": 123,
      "maxScore": 123,
      "numFoundExact": true
    }
  },
  "responseHeader": {
    "zkConnected": true,
    "QTime": 123,
    "totalTime": 123,
    "params": {
      "_stateVer_": "your-app-name:version",
      "lw.pipelineId": "<string>",
      "start": 3,
      "params": "\"dictionary[\\\"key1\\\" : \\\"value1\\\", \\\"key2\\\" : [\\\"one\\\", \\\"two\\\", \\\"a\\\", \\\"B\\\", \\\"bubbles\\\"], \\\"key3\\\" : [\\\"five bubbles\\\", \\\"sunny\\\"], \\\"key4\\\" : \\\"value4\\\"\",",
      "rows": 10,
      "version": "2.2",
      "queryProfileID": "query-profile",
      "isFusionQuery": true,
      "defType": "eDisMax",
      "templateTypes": "landing",
      "showInactive": true,
      "shards.preference": "<string>",
      "wt": "json",
      "staging": true,
      "fusionQueryId": "fusion-query-id"
    }
  },
  "status": 0
}