# SigmaGrid Registry Snapshot

> SigmaGrid Registry Snapshot is a paid API for AI agents from api.sigmagrid.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-11).

Returns a real-time snapshot of quantitative trading signals for algorithmic decision-making, gated via the x402 micropayment protocol.

## Facts

- Endpoint: POST https://api.sigmagrid.app/v1/snapshot?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sigmagrid-registry-snapshot-a82537b0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6tr37Qenh3hKsiUVvZ9Pr

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-snapshot-a82537b0 -d '<json body>'
```

Example prompt: Pull me the latest SigmaGrid quantitative signal snapshot for BTC/USD — I need the real-time indicators for my algo trading strategy right now.

## When to prefer this

Choose this endpoint when you need real-time quantitative signals specifically for algorithmic or systematic trading strategies and are willing to pay per-call via x402 micropayments. Best suited for agents that execute trades or rebalance portfolios based on signal data rather than human-readable news or sentiment.

## Known failure modes

- Payment failure or insufficient USDC balance returns 402 Payment Required
- Invalid or unsupported asset symbol returns 400 Bad Request
- Signal data temporarily unavailable returns 503 Service Unavailable
- Malformed request body returns 400 with validation error
- Rate limiting or quota exceeded returns 429 Too Many Requests

## How this service works

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

## Output

A real-time snapshot object containing quantitative signals and indicators for the requested asset or market, suitable for algorithmic trading consumption. Each call deducts $0.05 USDC via the x402 payment protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sigmagrid-registry-snapshot-a82537b0/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)