Sentiment Analysis API

Sentiment analysis API uses machine learning to reveal the structure and meaning of text. You can extract information about people, places, and events, and better understand customer sentiment.

API Server

nlu-api.allganize.ai is Allganize's NLU API endpoint. If you are using on-prem, please use your API endpoint.

Getting API KEY

The NLU API uses API keys to authenticate requests that you can find in the Allganize NLU API dashboard. Go to Settings > General to find your API key. If you don't have an account yet, you can create one here.

Provide your API KEY in the request header API-KEY.

Sentiment Analysis API

POST https://nlu-api.allganize.ai/api/inference

Headers

Name	Type	Description
API-KEY	string	Your API Key can be found on your dashboard Settings menu, under the General tab.

Request Body

Name	Type	Description
text	string	Input text you want to analyze. You can enter up to 2000 characters, after which the entered characters will be ignored.

200 The response has a classified result for the requested text. displayText: The result of the sentiment analysis. POSITIVE, NEUTRAL or NEGATIVE. id: The result of the sentiment analysis in an ID form. confidence: It shows the confidence value from AI model. Shown as a number value between 0 and 1.

{
  "inputText": STRING,
  "intent": {
    "id": NUMBER,
    "displayText": STRING,
    "confidence": NUMBER
  }
}

Request Example

Please replace YOUR_API_KEY with your one in the example below. Please see getting-api-key section.

curl https://nlu-api.allganize.ai/api/inference \
-d '{"text": "Loved the location and the breakfast. Would definitely stay here again!"}' \
-H "Content-Type: application/json" \
-H "API-KEY: YOUR_API_KEY"

Response Example

{
  "inputText": "Loved the location and the breakfast. Would definitely stay here again!",
  "intent": {
    "id": 656,
    "displayText": "POSITIVE",
    "confidence": 0.9603047832230137
  }
}

Error Messages

Please read the error message you get if you don't get the response that you expected.

Status Code	Error Code	Name	Message	Description
500	7000	API Error	Something went wrong	Default API error message for any uncategorized errors.
403	7001	Invalid API Key	API-KEY is not valid.	When the API Key requested to the header is invalid.
403	7002	Invalid JSON	Cannot decode the requested JSON body.	When the requested JSON is not decodable.
400	7003	Invalid Parameter	Requested parameters are not valid. 'text' is empty.	When the requested parameter is invalid (for example, when requesting inference with empty text).
403	7004	Payment error	billing error.	Overall payment related errors, e.g., payment is overdue
405	-	Wrong HTTP Method	-	When the HTTP method used is not valid.

Error Response example

{
    "type": "APIError",
    "code": 7000,
    "message": "Something went wrong."
}