# SYNTHORA Market Sentiment

> SYNTHORA Market Sentiment is a paid API for AI agents from api.hergertsynthora.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-21).

Returns real-time market sentiment signals for crypto/financial markets via a paid x402 M2M API call

## Facts

- Endpoint: POST https://api.hergertsynthora.com/v1/market-sentiment?utm_source=zero.xyz
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synthora-market-sentiment-f1d6d64c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_4P97d__QcUzVLf-JTu-Yv

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 synthora-market-sentiment-f1d6d64c -d '<json body>'
```

Example prompt: What's the current market sentiment signal for Bitcoin — is it bullish, bearish, or neutral right now?

## When to prefer this

Choose this endpoint when you need a real-time, machine-payable (x402) sentiment signal for crypto or financial markets without requiring a subscription or API key setup — particularly suitable for autonomous AI agents that can self-authorize micropayments on Base. Prefer this over scraping news or social feeds when you need a pre-aggregated, scored sentiment output instantly.

## Known failure modes

- Payment failure if USDC balance insufficient or x402 signature invalid
- Empty or ambiguous input string may return low-confidence or generic sentiment
- API unavailability or timeout if underlying data feed is disrupted
- Rate limiting or quota exhaustion for high-frequency callers
- Malformed request body returns 400-level error

## How this service works

Get real-time market sentiment signals via x402 M2M API. Signed x402 call. 0.03 USDC on Base.

## Output

A real-time market sentiment signal object containing sentiment direction (e.g. bullish/bearish/neutral), sentiment score, and supporting signals derived from aggregated market data sources.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "input": {
   "type": "string",
   "description": "Get real-time market sentiment signals via x402 M2M API. Signed x402 call. 0.03 USDC on Base."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "niche": "market_sentiment",
  "result": {},
  "receipt": {
   "alg": "ed25519"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synthora-market-sentiment-f1d6d64c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.hergertsynthora.com](https://www.zero.xyz/host/api.hergertsynthora.com/llms.txt)