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x402 AI Gateway – Sentiment Analysis
x402
x402 AI Gateway – Sentiment Analysis is a paid API for AI agents from x402-ai-gateway-rosy.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Analyzes the sentiment of a given text string using Gemini 2.0 Flash, returning a sentiment classification result, payable per-call via USDC on Base or Solana.
Price / call$0.01
Success—
StatusUnknown
How this service works
AI-powered API endpoints powered by Gemini 2.0 Flash. Pay with USDC on Base or Solana.
Output
Returns a JSON object containing the sentiment classification (e.g. positive, negative, neutral) and likely a confidence score or supporting details for the analyzed text, produced by Gemini 2.0 Flash.
Example use cases
Example prompt
“Can you analyze the sentiment of this customer review and tell me if it's positive, negative, or neutral: 'The product arrived quickly but the packaging was completely crushed and customer support never replied to my emails.'”
Technical details
Endpoint
POSThttps://x402-ai-gateway-rosy.vercel.app/api/sentiment?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, per-call AI-powered sentiment classification without committing to a subscription, especially in crypto-native or agent workflows that support x402 micropayment flows using USDC on Base or Solana. It is ideal for one-off or low-volume sentiment checks powered by Gemini 2.0 Flash.
Side effects
- Missing required 'text' field returns a 400 validation error
- Payment not completed or insufficient USDC balance causes a 402 Payment Required response
- Empty or extremely short text may yield low-confidence or ambiguous sentiment results
- Network or upstream Gemini API outage returns a 500 or 503 error
- Unsupported content type or malformed JSON body returns a 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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