{"slug":"quantx402-app-api-v1-brief-6c0aa8","title":"Research brief for one crypto pair in a fixed JSON schema (brief-1.0)","host":"quantx402.app","method":"GET","resource":"https://quantx402.app/api/v1/brief","category":"code","description":"Research brief for one crypto pair in a fixed JSON schema (brief-1.0): Kronos lean and 80% range, 48h news tone, realized volatility, 1-day VaR and expected shortfall, max drawdown, correlation to BTC, a news/forecast conflict flag and a short guarded rationale. Works for scheduled and on-demand pai","price_listed":0.1,"price_asked":0.1,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":611,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"symbol":"BTC-USD"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"symbol":{"description":"Crypto pair XXX-USD, default BTC-USD","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-20","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.1,"price_match":true,"latency_ms":611,"error":null}],"description_full":"Research brief for one crypto pair in a fixed JSON schema (brief-1.0): Kronos lean and 80% range, 48h news tone, realized volatility, 1-day VaR and expected shortfall, max drawdown, correlation to BTC, a news/forecast conflict flag and a short guarded rationale. Works for scheduled and on-demand pairs. Errors are never charged. Informational, not financial advice.","last_updated":"2026-10-20T12:05:08.857Z","schemes":["exact"]}