# SigmaGrid Registry – Market Regime Signal

> SigmaGrid Registry – Market Regime Signal is a paid API for AI agents from api.sigmagrid.app, paid per call via x402, $0.02/call, status down (last checked 2026-10-12).

Returns a real-time quantitative market regime classification signal for a given ticker symbol, paid per-call via x402.

## Facts

- Endpoint: POST https://api.sigmagrid.app/v1/regime/%7Bticker%7D?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: down
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sigmagrid-registry-market-regime-signal-1022a780
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UROx-gkl-ZdZ9j_fYP5_V

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 sigmagrid-registry-market-regime-signal-1022a780 -d '<json body>'
```

Example prompt: What's the current market regime signal for TSLA right now — is it trending, mean-reverting, or something else? I need a quantitative read for my algo.

## When to prefer this

Choose this endpoint when you need a real-time, per-ticker quantitative regime classification for use in an algorithmic trading pipeline or signal-driven strategy. It is best suited for agents that need a fast, cheap, pay-per-use regime signal without committing to a subscription, and when x402 micropayment infrastructure is already in place.

## Known failure modes

- Invalid or unsupported ticker symbol returns an error or empty result
- Insufficient x402 payment balance causes a 402 Payment Required response
- Network latency or data feed disruption may cause delayed or stale signals
- Malformed ticker format in URL path returns a 400 Bad Request
- Rate limiting may apply if too many calls are made in a short window

## How this service works

Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.

## Output

A real-time quantitative regime classification for the requested ticker, likely including a regime label (e.g. trending, mean-reverting, volatile), associated numeric scores or confidence values, and a timestamp. Cost is $0.02 USDC per call via x402.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sigmagrid-registry-market-regime-signal-1022a780/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.sigmagrid.app](https://www.zero.xyz/host/api.sigmagrid.app/llms.txt)