# Kronos Quant Signal – Rationale Novelty Feed

> Kronos Quant Signal – Rationale Novelty Feed is a paid API for AI agents from kronos.seshat.markets, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns rationale-novelty intelligence scores for financial assets (crypto, commodities, pre-market equities) across multiple timeframes, explaining the distinctiveness of current price-path forecasts.

## Facts

- Endpoint: GET https://kronos.seshat.markets/api/feeds/agent-intelligence/rationale-novelty
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kronos-quant-signal-rationale-novelty-feed-1ccdfcc8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v-G3MPvLbsnsLHoMawkNy

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 kronos-quant-signal-rationale-novelty-feed-1ccdfcc8
```

Example prompt: Pull the Kronos rationale-novelty score for today's crypto market signal — I want to know how unique the current price-path forecast reasoning is compared to prior signals.

## When to prefer this

Use this endpoint when you need to assess how distinctive or novel the reasoning behind a financial forecast is — not just the forecast direction, but the uniqueness of its rationale. Ideal for agents performing signal validation, avoiding recycled alpha, or filtering for genuinely differentiated market intelligence across crypto, commodities, and pre-market equities.

## Known failure modes

- Payment not received or USDC micropayment fails — returns 402 Payment Required
- Invalid or unsupported asset symbol — returns 400 Bad Request
- Market data temporarily unavailable — returns 503 Service Unavailable
- Rate limit exceeded — returns 429 Too Many Requests
- No novel signal available for the requested timeframe — returns empty or null novelty score

## How this service works

Kronos financial intelligence API: crypto, commodities, and pre-market equities. Multi-timeframe price-path forecasts with x402 USDC micropayments.

## Output

Returns a rationale-novelty score and accompanying explanation indicating how distinctive the current multi-timeframe price-path forecast reasoning is for the queried asset, relative to historical signal rationales. May include novelty metric, rationale summary, and asset/timeframe context.

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "required": [
    "method"
   ],
   "properties": {
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kronos-quant-signal-rationale-novelty-feed-1ccdfcc8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kronos.seshat.markets](https://www.zero.xyz/host/kronos.seshat.markets/llms.txt)