---
updatedAt: 2026-05-27T08:26:46.000Z
agentTools:
  projectIndex: https://developer.up42.com/llms.txt
---

# Create a download URL

Generate a signed URL that can be used to download an asset without authentication. The generated URL is valid for 5 minutes.

# OpenAPI definition

```json
{
  "openapi": "3.0.0",
  "info": {
    "title": "UP42 API",
    "contact": {
      "name": "Contact support",
      "email": "support@up42.com"
    },
    "license": {
      "name": "Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License",
      "url": "http://creativecommons.org/licenses/by-nc-nd/4.0/"
    },
    "version": "1.2"
  },
  "servers": [
    {
      "url": "https://api.up42.com"
    }
  ],
  "security": [
    {
      "httpBearer": []
    }
  ],
  "paths": {
    "/v2/assets/{asset-id}/download-url": {
      "post": {
        "tags": [
          "Data management"
        ],
        "summary": "Create a download URL",
        "description": "Generate a signed URL that can be used to download an asset without authentication. The generated URL is valid for 5 minutes.",
        "operationId": "generateDownloadUrlExternal",
        "parameters": [
          {
            "$ref": "#/components/parameters/AssetId"
          }
        ],
        "responses": {
          "201": {
            "description": "URL created successfully",
            "headers": {
              "Location": {
                "description": "A temporary signed URL that can be used to download the asset without authentication.",
                "style": "simple",
                "explode": false,
                "schema": {
                  "$ref": "#/components/schemas/SignedDownloadURL"
                }
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/DownloadUrlResponse"
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UnauthorizedErrorResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "UnauthorizedErrorResponse": {
        "type": "object",
        "example": {
          "data": null,
          "error": {
            "code": 401,
            "message": "Full authentication is required to access this resource",
            "details": null
          }
        }
      },
      "AssetId": {
        "type": "string",
        "description": "The asset ID.",
        "format": "uuid",
        "example": "8fbccd60-c828-4d8c-a4ef-3c2730d9d6bc"
      },
      "SignedDownloadURL": {
        "type": "string",
        "description": "A temporary signed URL that can be used to download an asset without authentication.",
        "format": "uri"
      },
      "DownloadUrlResponse": {
        "required": [
          "url"
        ],
        "type": "object",
        "properties": {
          "url": {
            "$ref": "#/components/schemas/SignedDownloadURL"
          }
        },
        "description": "A generated download URL."
      }
    },
    "parameters": {
      "AssetId": {
        "name": "asset-id",
        "in": "path",
        "description": "The asset ID.",
        "required": true,
        "style": "simple",
        "explode": false,
        "schema": {
          "$ref": "#/components/schemas/AssetId"
        }
      }
    },
    "securitySchemes": {
      "httpBearer": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "JWT"
      }
    }
  }
}
```