---
updatedAt: 2026-05-04T21:43:38.000Z
agentTools:
  projectIndex: https://docs.toqua.ai/llms.txt
---

# Preview the first rows of an upload to inspect its contents.

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "Toqua API",
    "contact": {
      "name": "Toqua",
      "url": "https://toqua.ai/",
      "email": "admin@toqua.ai"
    },
    "version": "0.26"
  },
  "servers": [
    {
      "url": "https://api.toqua.ai",
      "description": "Toqua API"
    }
  ],
  "paths": {
    "/data/uploads/{upload_id}/preview": {
      "get": {
        "tags": [
          "Data Uploads"
        ],
        "summary": "Preview the first rows of an upload to inspect its contents.",
        "operationId": "get_data_upload_preview",
        "security": [
          {
            "APIKeyHeader": []
          },
          {
            "HTTPBearer": []
          }
        ],
        "parameters": [
          {
            "name": "upload_id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "title": "Upload Id"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "maximum": 100,
              "minimum": 1,
              "description": "Maximum number of rows to return. Maximum 100.",
              "default": 20,
              "title": "Limit"
            },
            "description": "Maximum number of rows to return. Maximum 100."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful Response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "title": "Response Get Data Upload Preview"
                }
              }
            }
          },
          "404": {
            "description": "Not found"
          },
          "422": {
            "description": "Validation Error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "HTTPValidationError": {
        "properties": {
          "detail": {
            "items": {
              "$ref": "#/components/schemas/ValidationError"
            },
            "type": "array",
            "title": "Detail"
          }
        },
        "type": "object",
        "title": "HTTPValidationError"
      },
      "ValidationError": {
        "properties": {
          "loc": {
            "items": {
              "anyOf": [
                {
                  "type": "string"
                },
                {
                  "type": "integer"
                }
              ]
            },
            "type": "array",
            "title": "Location"
          },
          "msg": {
            "type": "string",
            "title": "Message"
          },
          "type": {
            "type": "string",
            "title": "Error Type"
          }
        },
        "type": "object",
        "required": [
          "loc",
          "msg",
          "type"
        ],
        "title": "ValidationError"
      }
    },
    "securitySchemes": {
      "APIKeyHeader": {
        "type": "apiKey",
        "in": "header",
        "name": "X-API-Key"
      },
      "HTTPBearer": {
        "type": "http",
        "scheme": "bearer"
      }
    }
  },
  "externalDocs": {
    "description": "API Documentation",
    "url": "https://docs.toqua.ai"
  }
}
```