curl --request GET \
  --url https://api.mixpeek.com/v1/collections/features/extractors

[
  {
    "feature_extractor_name": "<string>",
    "version": "<string>",
    "feature_extractor_id": "<string>",
    "description": "<string>",
    "input_schema": {},
    "output_schema": {},
    "parameter_schema": {},
    "supported_input_types": [
      "<string>"
    ],
    "max_inputs": {},
    "default_parameters": {},
    "document_output_type": "single",
    "document_input_handling": "individual",
    "required_vector_indexes": [
      {
        "name": "<string>",
        "description": "<string>",
        "type": "single",
        "index": {
          "name": "<string>",
          "description": "<string>",
          "dimensions": 123,
          "type": "dense",
          "distance": "<string>",
          "datatype": "float32",
          "on_disk": true,
          "supported_inputs": [
            "<any>"
          ],
          "inference_name": "<string>"
        }
      }
    ],
    "required_payload_indexes": [
      {
        "field_name": "<string>",
        "type": "keyword",
        "field_schema": {
          "type": "text",
          "tokenizer": "word",
          "min_token_len": 2,
          "max_token_len": 15,
          "lowercase": true
        }
      }
    ]
  }
]