NB-IoT Suite
Product Introduction
QuickStart
User Guide
Device Development Guide
Protocol introduction
Object and attribute
Development Guide
Supported module list
Obtaining SDK transplantation
Document download
Application Development Guide
API Authentication
API List
Device management-related API
Best Practices
FAQ
Add new device
Obtain the resource list
Update device information
Query device details
Query device information in batch
Query device condition in batch
Query device information according to IMEI
Delete device
Query API at data point
Real-time command API
Real-time command-resource discovery
Real-time command-resource observation
Real-time command-read device resource
Real-time command-write device resource
Real-time command-command release
Cache command API
Cache command-read device resource
Cache command-write device resource
Cache command-command release
Check the cache command list of specified device
Check the details of specified cache command
Cancel cache command
Trigger-related API
DTLS-related API
API status code
HTTP push
SDK download
Registration-related issue
Protocol-related issue
API-related issue
OTA-related issue
Application development issue
Other issues
Service agreement
Update Log
Description of API return code
| **Status code (errno)** | **Error prompt** | **Description parameter** |
|---|---|---|
| 0 | succ | Successful request |
| 1 | auth failed | Authorization failure; please check if your api-key matches iwth imei. |
| 3 | parameter required | No required body data or required body data error |
| 7 | service internal error | Stack of internal service treatment; in such a case, retry after an interval is recommended, or the timeout required is set to be slightly bigger. |
| 2001 | device not online | The device is not online; check if the terminal is normally registered at the platform. |
| 5006 | system logic limit | OneNET platform restriction; please seriously check the restriction conditions of the document parameters. |
| 5106 | UNSUCESS | 1. METHOD_NOT_ALLOWED (operation not allowed by the object or resource) 2. FORBIDDEN (terminal device unregistered) 3. NOT_FOUND (the object or resource is not found) 4. INTERNAL_SERVER_ERROR (device response code error) 5. TIME_OUT (device response timeout) 6. REQ_PARAM_ERROR (request parameter error)7. RESP_ERROR (device response message error) 8. UNAUTHORIZED (no access right) 9. BAD_REQUEST (request format error, such as lack of parameter or code) 10. NOT_ACCEPTABLE (no preferred message format returnable) 11. UNSUPPORTED_CONTENT_FORMAT (specified message format not supported) 12. OFFLINE (device unregistered) 13. ADDR_OCCUPIED (device address occupied by other devices) |
| 5108 | invalid parameter/rpc response error | Invalid parameter/retry |
| 5117 | rpc error | Internal service abnormal, retry |