WeChat Smart Interface

WeChat open platform semantic understanding interface call (http request) is simple and convenient. Users do not need to master semantic understanding and related technologies. They only need to choose corresponding services according to their product characteristics to build a set of intelligent semantic services.

Send semantic understanding request

http request method: POST (please use https protocol)
https://api.weixin.qq.com/semantic/semproxy/search?access_token=YOUR_ACCESS_TOKEN

POST data format: JSON
POST data example:

{
 "query":"Check China Southern Airlines tickets from Beijing to Shanghai tomorrow",
 "city":"Beijing",
 "category": "flight,hotel",
 "appid":"wxaaaaaaaaaaaaaaaaa",
 "uid":"123456"
 }

Parameter Description

Note: The intent of a single category is clearer and the recognition coverage is larger, so if you only need to use a specific category, it is recommended to set the category to that category only.

Return Description Under normal circumstances, WeChat will return the following JSON data packet:

 {
 "errcode":0,
 “query”: “Check China Southern Airlines tickets from Beijing to Shanghai tomorrow”,
 "type":"flight",
 "semantic":{
 "details":{
 "start_loc":{
            "type":"LOC_CITY",
 “city”:”Beijing”,
 "city_simple":"Beijing",
 “loc_ori”:”Beijing”
 },
 "end_loc": {
            "type":"LOC_CITY",
 “city”:”Shanghai”,
 "city_simple":"Shanghai",
 “loc_ori”:”Shanghai”
 },
 "start_date": {
            "type":"DT_ORI",
            "date":"2014-03-05",
 "date_ori":"tomorrow"
 },
 “airline”:”China Southern Airlines”
 },
 "intent":"SEARCH"
 }

Return parameter description

For more details and protocol description, please see: Semantic Understanding Interface Protocol Documentation