# AlphaLens Sentiment Scoring

> AlphaLens Sentiment Scoring is a paid API for AI agents from alupheck.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Returns AI-powered market sentiment score for a given stock ticker symbol

## Facts

- Endpoint: POST https://alupheck.vercel.app/api/sentiment
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/alphalens-sentiment-scoring-984bfd9d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Rv4wVNDjB2ZLp80g2CMvp

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability alphalens-sentiment-scoring-984bfd9d -d '<json body>'
```

Example prompt: What's the current AI-powered market sentiment score for NVDA — is the crowd bullish or bearish on it right now?

## When to prefer this

Use this endpoint when you need a quick, AI-generated sentiment signal for a specific stock ticker to inform buy/sell decisions, complement technical analysis, or gauge crowd psychology before trading. Prefer over generic news APIs when you want a pre-computed numeric sentiment score rather than raw headlines.

## Known failure modes

- Missing or invalid ticker symbol returns error
- Unknown ticker symbol may return empty data or failure response
- Payment not included or insufficient USDC balance on Base chain results in 402 response
- Network or Vercel cold-start latency may cause timeout

## How this service works

AI-powered stock analysis, technical indicators, sentiment scoring, and portfolio risk. 11 endpoints. Pay per request via x402 on Base chain.

## Output

A JSON object containing a success boolean and a data object with the AI-derived sentiment score and related sentiment metrics for the requested stock ticker.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "symbol"
 ],
 "properties": {
  "symbol": {
   "type": "string",
   "description": "symbol"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "success"
 ],
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/alphalens-sentiment-scoring-984bfd9d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from alupheck.vercel.app](https://www.zero.xyz/host/alupheck.vercel.app/llms.txt)