---
title: "download"
slug: "effective-log-search-analytics-download"
updated: 2026-10-08T04:24:21Z
published: 2026-10-08T04:24:21Z
canonical: "api.ncloud-docs.com/effective-log-search-analytics-download"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# download

## Overview

You can download Effective Log Search & Analytics logs by project.

## Request

### API URL

```
POST
https://elsa.apigw.ntruss.com/api/v1/logs/download
```

### Request headers

The request headers specified in common settings are required.

[Go to the creation guide of NAVER Cloud Platform authentication key and signature](https://api.ncloud-docs.com/beta/docs/en/ko/common-ncpapi)

```
x-ncp-apigw-timestamp: {current timestamp}
x-ncp-iam-access-key: {your iam access key}
x-ncp-apigw-signature-v2: {generated signature}
```

### Request parameters

| Parameter name | Requirement status | Type | Restrictions | Description |
| --- | --- | --- | --- | --- |
| projectKey | Yes | string | 1-53 | Project key e.g., "projectKey":"Pxxxxxx_test" |
| projectId | Yes | int |  | Project ID e.g., "projectId":8181 |
| from | Yes | int |  | Timestamp at which to start the search (UTC milliseconds) e.g., "from":1381190400000 |
| to | No | int |  | Timestamp at which to end the search (UTC milliseconds) If not entered, the time the request was received will be entered automatically. e.g., "to":1381190400000 |
| format | No | string | CSV or JSON | Default: JSON. File format to download. e.g., "format": "CSV". |
| limit | No | int | 1 - 1000 | Default: 100 Number of logs to return upon request e.g., "limit":1000 |
| count | No | int | 1 - 200000 | Default: 100000 Total download log count e.g., "count": 200000 |
| includeFields | No | [string] |  | Default: All fields List of field names required when downloading logs e.g., "includeFields": ["logSource", "logType", "body"] |

### Request body

```
{
  "projectKey": "Pbxxxxx_elsa-test",
  "projectId": 16706,
  "from": 1381190400000,
  "to": 1381190400000,
  "format": "JSON",
  "includeFields": ["logSource","logType","ExceptionType"],
  "limit": 100,
  "count": 50000
}
```

### Request example

```
import hashlib
import hmac
import base64
import time
import requests

def make_signature(access_key, secret_key, timestamp, url):
    timestamp = str(timestamp)
    secret_key = bytes(secret_key, 'UTF-8')
    method = "POST"

    message = method + " " + url + "\n" + timestamp + "\n" + access_key
    message = bytes(message, 'UTF-8')
    signingKey = base64.b64encode(hmac.new(secret_key, message, digestmod=hashlib.sha256).digest())
    return signingKey.decode('UTF-8')

def log_download():
    baseurl = "https://elsa.apigw.ntruss.com" #{OpenAPI endpoint}
    url = "/api/v1​/logs​/download"

    access_key = "accessKey" #{Main / Sub Account Access Key}
    secret_key = "secretKey" #{Main / Sub Account Secret Key}
    timestamp = int(time.time() * 1000)

    signature = make_signature(access_key, secret_key, timestamp, url)
    url = baseurl + url

    payload = 	{
	  "projectKey": "Pbxxxxx_elsa-test",
	  "projectId": 8171,
	  "format": "JSON",
	  "from": 1381190400000,
	  "to": 1381190400000,
	  "includeFields": ["logSource","logType","ExceptionType"],
	  "limit": 100,
	  "count": 50000
	}

    headers = {
        "x-ncp-apigw-timestamp": str(timestamp),
        "x-ncp-iam-access-key": access_key,
        "x-ncp-apigw-signature-v2": str(signature)
    }

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

## Response

### Response body

```
application/zip
```