Get HIP-3 cumulative volume delta

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd path parameters",
  "type": "object",
  "required": [
    "symbol"
  ],
  "properties": {
    "symbol": {
      "description": "HIP-3 symbol with builder prefix. Case-sensitive.",
      "type": "string",
      "example": "km:US500",
      "x-parameter-location": "path"
    }
  }
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd query parameters",
  "type": "object",
  "properties": {
    "start": {
      "description": "Start timestamp in Unix milliseconds. Defaults depend on the route family.",
      "type": "integer",
      "format": "int64",
      "x-parameter-location": "query"
    },
    "end": {
      "description": "End timestamp in Unix milliseconds. Defaults to now.",
      "type": "integer",
      "format": "int64",
      "x-parameter-location": "query"
    },
    "interval": {
      "description": "Aggregation interval. Supported public buckets are 1h, 4h, 1d, and 1w.",
      "type": "string",
      "enum": [
        "1h",
        "4h",
        "1d",
        "1w"
      ],
      "default": "1h",
      "x-parameter-location": "query"
    }
  }
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd response 200",
  "description": "API response containing CVD buckets.",
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "description": "Cumulative volume delta bucket.",
        "type": "object",
        "required": [
          "buy_volume",
          "cumulative_delta",
          "delta",
          "sell_volume",
          "timestamp"
        ],
        "properties": {
          "buy_volume": {
            "description": "Buy-side volume for the bucket.",
            "type": "number",
            "example": 30160211.46768
          },
          "cumulative_delta": {
            "description": "Running cumulative delta over the returned window.",
            "type": "number",
            "example": -2740918.55881
          },
          "delta": {
            "description": "buy_volume minus sell_volume for this bucket.",
            "type": "number",
            "example": -2740918.55881
          },
          "sell_volume": {
            "description": "Sell-side volume for the bucket.",
            "type": "number",
            "example": 32901130.02649
          },
          "timestamp": {
            "description": "Bucket timestamp in Unix milliseconds.",
            "type": "integer",
            "format": "int64",
            "example": 1781593200000
          }
        }
      }
    },
    "meta": {
      "description": "Response metadata",
      "type": "object",
      "properties": {
        "count": {
          "description": "Number of records returned",
          "type": "integer"
        },
        "next_cursor": {
          "description": "Cursor for pagination (timestamp). Use this value as the `cursor` parameter to fetch the next page of results.",
          "type": "string",
          "nullable": true
        },
        "request_id": {
          "description": "Unique request ID for support",
          "type": "string",
          "format": "uuid"
        }
      }
    },
    "success": {
      "type": "boolean",
      "example": true
    }
  }
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd response 400",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    }
  }
}

{
  "code": 400,
  "error": "Invalid request parameters"
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd response 401",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    }
  }
}

{
  "code": 401,
  "error": "Missing or invalid API key. Provide X-API-Key header."
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getHip3Cvd response 429",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    }
  }
}

{
  "code": 429,
  "error": "Rate limit exceeded"
}