Linux Application Upgrade Strategy API

API Description: Get the corresponding upgrade strategy based on the client's version number

📮Request Information

Request URL

POST https://api.upgrade.toolsetlink.com/v1/lnx/upgrade

Request Headers

Parameter Name	Required	Type	Example	Description
X-Timestamp	Yes	string	2025-02-17T10:34:55+08:00	Request time in RFC3339 format
X-Nonce	Yes	string	fc812cc0b9b51e8c	Unique random string (at least 16 characters)
X-AccessKey	Yes	string	mui2W50H1j-OC4xD6PgQag	AccessKey secret
X-Signature	Yes	string	3603437250c2df51fc46426ac79d8995	Request signature Signature Rules
Content-Type	Yes	string	application/json

🔐 Anti-Replay Attack Mechanism

1. Server verifies that the timestamp difference with server time does not exceed ±5 minutes
2. Server checks if the Nonce value already exists (to prevent duplicate requests)

Request Body

{
    "lnxKey": "isVZBUvkFhv6oHxk_X-D0Q",
    "arch": "x64",
    "versionCode": 1,
    "appointVersionCode": 0,
    "devModelKey": "stv1",
    "devKey": "LOYlLXNy7w"
}

Request Body Parameter Description

Parameter Name	Required	Type	Example	Description
lnxKey	Yes	string	isVZBUvkFhv6oHxk_X-D0Q	Unique identifier for Linux application
versionCode	Yes	int	1	Client version code
appointVersionCode	No	int	0	Expected upgrade version code, default to latest if not provided or 0
devModelKey	No	string	stv1	Unique device model identifier
devKey	No	string	LOYlLXNy7w	Unique device identifier (can use mac address)
arch	Yes	string	x64	Machine architecture: x64, arm64

📮Response Information

Success Response Body

{
  "code": 200,
  "msg": "New version found",
  "data": {
    "lnxKey": "isVZBUvkFhv6oHxk_X-D0Q",
    "packageName": "com.a.c",
    "versionName": "v2",
    "versionCode": 2,
    "urlPath": "https://cdn.upgrade.toolsetlink.com/upgrade/2025-07-02/image/20250702102511_dl-logo-48x.png",
    "urlFileSize": 7213,
    "urlFileMd5": "",
    "upgradeType": 1,
    "promptUpgradeContent": "Prompt content"
  }
}

Response Body Parameter Description

Parameter Name	Type	Example	Description
apkKey	string	isVZBUvkFhv6oHxk_X-D0Q	Unique identifier for Android application
packageName	string	com.a.c	Android application package name
versionName	string	v1	Version name
versionCode	int	1	Version code
urlPath	string	http://file.com/2.apk	File download URL
urlFileSize	int	7213	File size (bytes)
urlFileMd5	string	isVZBUvkFhv6oHxk	File MD5 hash
upgradeType	int	1	Upgrade type: 1: Prompt upgrade; 2: Silent upgrade; 3: Forced upgrade
promptUpgradeContent	string	Prompt content	Upgrade prompt description

Typical Error Response Body

{
  "code": 404001,
  "msg": "No available version found",
  "docs": "No corresponding application version found. Please confirm if it has been correctly created in the system. Please refer to the documentation: http://upgrade.toolsetlink.com/upgrade/recommend/apk/app-version.html",
  "data": null
}

📊Status Codes

HTTP Status Code	code	Scenario Description	Solution
200	0	Request successful, already on latest version
200	200	Request successful, upgrade strategy found
400	400001	Invalid request
400	400002	Missing parameters
400	400003	Invalid parameters
400	400004	Invalid headers
400	400005	Invalid request body
401	401001	Authentication failed
401	401002	Signature verification failed
404	404001	Resource not found
404	404002	Record not found
404	404003	Processing method not found
404	404004	Request not found
429	429001	Application task strategy request rate limit	The configured request rate limit for upgrade tasks has been reached. Please try again later.
500	500001	Internal server error	Please contact us Contact Us
500	500002	Internal server data validation failed	Please contact us Contact Us