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break_sol
x402
break_sol is a paid API for AI agents from solidus-x402.fly.dev, paid per call via x402, $0.1/call, status down (last checked 2026-09-15).
Detects structural breaks in SOL price action using CUSUM and variance-ratio methods on 5-minute data, returning a streaming break confidence score.
Price / call$0.1
Success—
StatusDown
How this service works
SOL structural break alert — Streaming CUSUM+var-ratio break confidence (ADIA lesson) on SOL 5m.
Output
Returns a streaming break confidence score for SOL computed from CUSUM (cumulative sum control chart) and variance-ratio tests on 5-minute price data, indicating the statistical likelihood that a structural break or regime change is currently occurring in SOL's price behavior.
Example use cases
Pre-trade regime check for SOL
“Before I put on this SOL position, check if there's a structural break happening right now — I want to know the CUSUM break confidence score so I can tell if we're in a new price regime.”
Automated SOL break alert in trading bot
“Every 5 minutes, check the structural break confidence for SOL and alert me if the CUSUM or variance-ratio signal crosses a high-confidence threshold — I want to know the moment a regime shift is detected.”
Post-move regime validation
“SOL just moved 8% in the last hour — can you run the structural break detection on SOL's 5-minute chart and tell me if this looks like a genuine regime change or just noise?”
Technical details
Endpoint
GEThttps://solidus-x402.fly.dev/v1/break/SOLWhen to prefer
Use this endpoint when you need a real-time, statistically grounded signal that SOL's price dynamics have structurally shifted — not just a momentum or volatility spike, but a regime change confirmed by CUSUM and variance-ratio tests. Prefer this over simple moving-average crossovers or raw volatility endpoints when the decision requires knowing whether the underlying data-generating process has changed, not just whether price moved.
Side effects
- Insufficient price history for CUSUM computation — may return low-confidence or null score
- Symbol not supported (only SOL accepted at this path)
- Payment failure — 402 response if USDC payment not included
- Streaming timeout if connection drops mid-response
- Stale data if upstream price feed is delayed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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