REST API

The WLTE REST API provides device queries, relay control, and command result lookup over standard HTTP with Bearer Token authentication.

Service Address

https://openapi.svnwi.com

{baseUrl} throughout this documentation refers to this address. Example full request URL:

https://openapi.svnwi.com/wlte/v1/devices

Integration Flow

1. Call Create Access Token to obtain accessToken.
2. Use Authorization: Bearer {accessToken} to call device APIs.
3. Call List Devices to get accessible devices.
4. If you need the IO definition of a device type, call List Device Type Definitions.
5. Call Create Relay Command to send a control command.
6. Call Get Command Result to check the execution result.

Endpoint Summary

Method	Path	Description	Scope
POST	/wlte/v1/auth/token	Create access token	—
GET	/wlte/v1/devices	List devices	device:read
GET	/wlte/v1/devices/{deviceId}	Get device detail	device:read
GET	/wlte/v1/device-profiles	List device type definitions	device:read
POST	/wlte/v1/devices/{deviceId}/relays/{index}/commands	Create relay command	device:control
GET	/wlte/v1/commands/{commandId}	Get command result	device:control

Recommended Reading Order

1. Response Envelope
2. Base URL and Headers
3. Permissions
4. Pagination
5. Rate Limits and Retries
6. Create Access Token
7. List Devices
8. Get Device
9. List Device Type Definitions
10. Create Relay Command
11. Get Command Result
12. Status Code Overview

Reference

• Peripheral State Reference — field definitions for relays, digital inputs, sensors, and analog inputs