Is AI sentiment analysis & emotion detection free?

AI sentiment analysis & emotion detection has a Basic plan that costs $0 per month and needs no card. Paid plans exist for higher volume and are listed above.

How do I get an API key for AI sentiment analysis & emotion detection?

Subscribe to the free plan on the marketplace listing. The key appears immediately and works in the browser playground before you write any code.

How many endpoints does AI sentiment analysis & emotion detection have?

AI sentiment analysis & emotion detection publishes 1 endpoints. Each one is listed above with its method, path and purpose.

AI sentiment analysis & emotion detection

Emotional tone, trends and the drivers behind them in any text.

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Category: Artificial intelligence
Endpoints: 1
Updated: 2025-11-26

Overview

Beyond positive and negative: the API reports emotional tone, the trend across a set of texts and which phrases drive the sentiment.

Feedback tools, social listening and review platforms use it to explain a score rather than just show one.

Endpoints

Endpoints published by AI sentiment analysis & emotion detection, with method, path and purpose
Method	Path	What it does
POST	`{\n \`	Analyze Single Text Sentiment

Example response

{
    "status": "success",
    "message": "completed",
    "result": {
        "overallSentiment": {
            "primary": "positive",
            "score": 0.7,
            "confidence": 85,
            "intensity": "medium"
        },
        "emotionalAnalysis": {
            "dominantEmotions": [
                "joy",
                "frustration"
            ],
            "emotionalTone": "The feedback is largely positive due to the appreciation for the product's improvements, though there is a hint of frustration regarding unresolved issues.",
            "emotionalIntensity": {
                "score": 7,
                "description": "The user feels strongly positive about the update but is moderately frustrated by the presence of bugs."
            }
        },
        "aspectBasedSentiment": {
            "keyAspects": [
                {
                    "aspect": "user interface",
                    "sentiment": "positive",
                    "score": 0.8,
                    "relevantText": "The user interface is much more intuitive now"
                },
                {
                    "aspect": "performance improvements",
                    "sentiment": "positive",
                    "score": 0.9,
                    "relevantText": "the performance improvements are noticeable"
                },
                {
                    "aspect": "reporting module bugs",
                    "sentiment": "negative",
                    "score": -0.3,
                    "relevantText": "there are still some minor bugs that need to be fixed in the reporting module"
                }
            ]
        },
        "contextualAnalysis": {
            "subjectivity": "subjective",
            "irony": "not present",
            "sarcasm": "not 
…

Frequently asked questions

Is AI sentiment analysis & emotion detection free?: AI sentiment analysis & emotion detection has a Basic plan that costs $0 per month and needs no card. Paid plans exist for higher volume and are listed above.
How do I get an API key for AI sentiment analysis & emotion detection?: Subscribe to the free plan on the marketplace listing. The key appears immediately and works in the browser playground before you write any code.
How many endpoints does AI sentiment analysis & emotion detection have?: AI sentiment analysis & emotion detection publishes 1 endpoints. Each one is listed above with its method, path and purpose.