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