Sentiment Analysis
Sentiment Analysis is a simple tool for analyzing the sentiment of a text. It returns the sentiment score and the sentiment label.
This API provides reliable and fast access to sentiment analysis data through a simple REST interface. Built for developers who need consistent, high-quality results with minimal setup time.
To use this API, you need an API key. You can get one by creating a free account and visiting your dashboard.
View API in DirectoryEndpoint
POST https://api.apiverve.com/v1/sentimentanalysis
Code Examples
Here are examples of how to call this API in different programming languages:
curl -X POST \
"https://api.apiverve.com/v1/sentimentanalysis" \
-H "X-API-Key: your_api_key_here" \
-H "Content-Type: application/json" \
-d '{
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
}'
const response = await fetch('https://api.apiverve.com/v1/sentimentanalysis', {
method: 'POST',
headers: {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
},
body: JSON.stringify({
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
})
});
const data = await response.json();
console.log(data);
import requests
headers = {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
payload = {
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
}
response = requests.post('https://api.apiverve.com/v1/sentimentanalysis', headers=headers, json=payload)
data = response.json()
print(data)
const https = require('https');
const url = require('url');
const options = {
method: 'POST',
headers: {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
};
const postData = JSON.stringify({
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
});
const req = https.request('https://api.apiverve.com/v1/sentimentanalysis', options, (res) => {
let data = '';
res.on('data', (chunk) => data += chunk);
res.on('end', () => console.log(JSON.parse(data)));
});
req.write(postData);
req.end();
<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.apiverve.com/v1/sentimentanalysis');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'X-API-Key: your_api_key_here',
'Content-Type: application/json'
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode({
'text': 'I'm so excited that tomorrow is going to be sunny! Can't wait!'
}));
$response = curl_exec($ch);
curl_close($ch);
$data = json_decode($response, true);
print_r($data);
?>
package main
import (
"fmt"
"io"
"net/http"
"bytes"
"encoding/json"
)
func main() {
payload := map[string]interface{}{
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
}
jsonPayload, _ := json.Marshal(payload)
req, _ := http.NewRequest("POST", "https://api.apiverve.com/v1/sentimentanalysis", bytes.NewBuffer(jsonPayload))
req.Header.Set("X-API-Key", "your_api_key_here")
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
panic(err)
}
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
fmt.Println(string(body))
}
require 'net/http'
require 'json'
uri = URI('https://api.apiverve.com/v1/sentimentanalysis')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
payload = {
"text": "I'm so excited that tomorrow is going to be sunny! Can't wait!"
}
request = Net::HTTP::Post.new(uri)
request['X-API-Key'] = 'your_api_key_here'
request['Content-Type'] = 'application/json'
request.body = payload.to_json
response = http.request(request)
puts JSON.pretty_generate(JSON.parse(response.body))
Authentication
This API requires authentication via API key. Include your API key in the request header:
X-API-Key: your_api_key_here
Parameters
The following parameters are available for this API endpoint:
Parameter | Type | Required | Location | Description | Example |
---|---|---|---|---|---|
text | string | Yes | body | The text to analyze the sentiment of | I'm so excited that tomorrow is going to be sunny! Can't wait! |
Response
The API returns responses in JSON, XML, and YAML formats:
Example Responses
{
"status": "ok",
"error": null,
"data": {
"comparative": 0.25,
"sentimentText": "positive",
"sentiment": 3
}
}
<Root>
<status>ok</status>
<error />
<data>
<comparative>0.25</comparative>
<sentimentText>positive</sentimentText>
<sentiment>3</sentiment>
</data>
</Root>
status: ok
error:
data:
comparative: 0.25
sentimentText: positive
sentiment: 3
Response Structure
All API responses follow a consistent structure with the following fields:
Field | Type | Description | Example |
---|---|---|---|
status | string | Indicates whether the request was successful ("ok") or failed ("error") | ok |
error | string | null | Contains error message if status is "error", otherwise null | null |
data | object | null | Contains the API response data if successful, otherwise null | {...} |
Response Data Fields
When the request is successful, the data
object contains the following fields:
Field | Type | Sample Value |
---|---|---|
comparative | number | 0.25 |
sentimentText | string | "positive" |
sentiment | number | 3 |
Headers
Required and optional headers for API requests:
Header Name | Required | Example Value | Description |
---|---|---|---|
X-API-Key | Yes | your_api_key_here | Your APIVerve API key. Found in your dashboard under API Keys. |
Accept | No | application/json | Specify response format: application/json (default), application/xml, or application/yaml |
User-Agent | No | MyApp/1.0 | Identifies your application for analytics and debugging purposes |
X-Request-ID | No | req_123456789 | Custom request identifier for tracking and debugging requests |
Cache-Control | No | no-cache | Control caching behavior for the request and response |
Client Libraries
To get started with minimal code, most of our APIs are available through client libraries and clients:
Error Codes
The API uses standard HTTP status codes to indicate success or failure:
Status Code | Message | Description |
---|---|---|
200 | OK | Request successful, data returned |
400 | Bad Request | Invalid request parameters or malformed request |
401 | Unauthorized | Missing or invalid API key |
403 | Forbidden | API key does not have permission for this endpoint |
429 | Too Many Requests | Rate limit exceeded, please slow down requests |
500 | Internal Server Error | Server error, please try again later |
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