OpenAPI

The Lansenger Open Platform provides server-side Open-APIs with end-to-end interfaces for authentication, contacts, messaging, roles and permissions, media assets, organization management, app management, and business callbacks.

Developer Center

Create an App

1. Log in to the Lansenger Developer Center
2. Create a self-built app or third-party app
3. Set app icon, name, and description
4. Get the App ID and App Secret

API Permissions

Apps have the following default basic permissions:

• Get basic personnel information
• Send Lansenger messages to specified people/branches

Advanced permissions require manual activation (some advanced permissions are not available for third-party apps):

• Read organizational contacts
• Edit personnel and branch data
• Get sensitive personnel information

Server-Side Capabilities

Authentication

• OAuth2 authentication mechanism
• Apps obtain access_token via AppID and AppSecret
• Call business APIs using access_token

Contact Management

• CRUD for personnel
• CRUD for branches
• Department management
• Batch import/export

Message Notifications

• Send messages to specified people
• Batch send to branch/tag members
• Support text, image, file, card, and other message types

App Management

• Create, edit, delete apps
• Set workplace entries and visibility scope
• Configure callback events

Business Event Callbacks

• Subscribe to organizational business events (personnel changes, message events, etc.)
• Configure callback URLs to receive event notifications

Developer Management

• Administrators can assign developer roles to organizational users
• Developer roles support hierarchical permission management
• Development scope and type must be assigned
• Developers can only build apps for branches within their development scope
• Can be invited by other developers to co-develop organizational apps

Partner Registration

Organizations can apply for third-party partner status to publish third-party apps to the App Market:

1. Go to “Partner Registration” in the Developer Center
2. Fill in third-party partner certification materials
3. Submit the application and wait for review (within 3 business days)
4. After approval, publish third-party apps

Only one application is active at a time.