Sentiment Analysis (x402)
Analyze sentiment, emotion breakdown, and intent from any text. Returns structured scores for joy, anger, sadness, fear, surprise, and disgust — plus intent classification and a one-sentence summary. Pay $0.01 USDC per call via x402 (Base mainnet).
How to Call
POST https://x402.ntriq.co.kr/sentiment
Content-Type: application/json
X-PAYMENT: <x402-payment-header>
{
"text": "I've been waiting 3 weeks and still no response. This is completely unacceptable.",
"language": "en"
}
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
text |
string | ✅ | Text to analyze |
language |
string | ❌ | Response language ISO code (default: en) |
Example Response
{
"status": "ok",
"sentiment": "negative",
"confidence": 0.94,
"emotions": {
"joy": 0.02,
"anger": 0.71,
"sadness": 0.18,
"fear": 0.05,
"surprise": 0.02,
"disgust": 0.62
},
"intent": "complain",
"summary": "Customer expresses strong frustration over a 3-week delay without any response."
}
Sentiment Values
positive, negative, neutral, mixed
Intent Values
inform, request, complain, praise, question, suggest, other
Payment
- Price: $0.01 USDC per call
- Network: Base mainnet (EIP-3009 gasless)
- Protocol: x402
curl https://x402.ntriq.co.kr/services