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SundayFactoryX Equity Volatility API
x402
SundayFactoryX Equity Volatility API is a paid API for AI agents from api.sundayfactoryx.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-11).
Returns current market volatility data for equities via a pay-per-call x402 micropayment endpoint
Price / call$0.03
Success—
StatusUnknown
How this service works
Pay-per-call (x402) market-data + research API for autonomous agents. Paid endpoints return HTTP 402 with an x402 v2 payment challenge; pay in USDC on Base with any x402-aware client.
Output
A JSON envelope containing equity market volatility metrics — likely including implied volatility levels, historical volatility readings, and related market data signals for equities. The exact fields are returned in a JSON object per the response schema.
Example use cases
Pre-trade risk check for equity desk
“Before I place these equity trades, can you pull the current market volatility data so I can see if conditions are elevated and adjust my position sizing accordingly?”
Automated volatility signal for algo strategy
“My trading bot needs the latest equity vol figures in JSON — grab that data now so it can decide whether to enter or stay out of the market today.”
Daily market regime monitoring
“What does equity market volatility look like right now? Pull the latest vol data so I can tell whether we're in a high- or low-vol regime this morning.”
Technical details
Endpoint
GEThttps://api.sundayfactoryx.com/v1/market/vol/equity?utm_source=zero.xyzWhen to prefer
Choose this endpoint when your AI agent needs real-time or near-real-time equity volatility data on a pay-per-call basis without a subscription, particularly when operating in an x402-native payment stack using USDC on Base. It is ideal for autonomous trading agents, risk monitors, or research pipelines that only need occasional vol lookups and want to avoid monthly subscription overhead.
Side effects
- HTTP 402 returned if no valid x402 USDC payment on Base is included — agent must complete payment challenge before data is returned
- Malformed or missing format parameter may result in an unexpected response structure
- Network timeout or service unavailability may return 5xx errors
- Stale or delayed data if upstream market data feed is lagging
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| format | string | response format (JSON envelope) |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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