RunPreTrainService-Natural Language Processing(NLP)-阿里云帮助中心

Calls a general-purpose industry model service.

Debug

You can run this operation in OpenAPI Explorer to simplify signature calculation. After a successful call, OpenAPI Explorer automatically generates sample code for the software development kit (SDK).

Request parameters

Name	Type	Required	Example	Description
Action	String	Yes	RunPreTrainService	A required parameter. Set the value to RunPreTrainService.
ServiceName	String	Yes	ReviewAnalysis	The service name.
ServiceVersion	String	No	V1	The service edition.
PredictContent	String	Yes	{"input":{"content": "This dress is beautiful", "domain": "clothing"}}	The input for prediction.

Response data

Name	Type	Example	Description
PredictResult	String	{"cost":"21.812ms","imprs":[{"aspect":"Style","clause":"This dress is beautiful","neg_prob":0.0,"pos_prob":0.566100001335144,"position":"0,7","sentiment":"Positive"}]},"message":"SUCCESS","tracerId":"7973b50e31dcbea8323460e0134d3226"}	The prediction result of the model.
RequestId	String	7310FFCF-9FE8-4257-AE38-0E1AD828C2CC	The request ID.

Examples

Sample request

http(s)://[Endpoint]/?Action=RunPreTrainService
&PredictContent={"input":{"content": "This dress is beautiful", "domain": "clothing"}}
&ServiceName=ReviewAnalysis
&<Common request parameters>

Sample responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<RunPreTrainServiceResponse>
 <requestId>F67DEBB0-FFD0-4042-8AA9-90A705FB9F94</requestId>
 <predictResult>{"code":1000,"data":{"cost":"18.346ms","imprs":[{"aspect":"Style","clause":"This dress is beautiful","neg_prob":0.0,"pos_prob":0.566100001335144,"position":"0,7","sentiment":"Positive"}]},"message":"SUCCESS","tracerId":"32846562fd4aeca63912956bbad18c47"}</predictResult>
</RunPreTrainServiceResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
 "requestId" : "F67DEBB0-FFD0-4042-8AA9-90A705FB9F94",
 "predictResult" : "{\"code\":1000,\"data\":{\"cost\":\"18.346ms\",\"imprs\":[{\"aspect\":\"Style\",\"clause\":\"This dress is beautiful\",\"neg_prob\":0.0,\"pos_prob\":0.566100001335144,\"position\":\"0,7\",\"sentiment\":\"Positive\"}]},\"message\":\"SUCCESS\",\"tracerId\":\"32846562fd4aeca63912956bbad18c47\"}"
}

Error codes

HttpCode	Error code	Error message	Description
400	InvalidAccountStatus.ServiceUnavailable	The NLP Auto Machine Learning service has not been activated.	The NLP Auto Machine Learning service is not activated for your account.
400	InvalidAccountStatus.ServiceLimit	The maximum number of free API daily visits is exceeded.	The number of API calls exceeds the free quota.
400	parameterError	The parameter is invalid.	A parameter is invalid.
500	ModelInferenceError	Failed to obtain the model prediction result.	Failed to obtain the prediction result from the model.
500	UnknownError	A server error occurred while processing your request. Please try again later or contact customer support.	An unknown error occurred.
500	InternalError	An error occurred while processing your request.	An unknown error occurred.
404	ResourceNotFound	The specified Model does not exist.	The specified model does not exist.
503	ServiceUnavailable	An error occurred while processing your request.	An internal service error occurred.