{"slug":"api-usenami-io-v1-perp-funding-flips-fe0c52","title":"Funding-rate sign-change detection for one crypto perpetual — every positive↔neg","host":"api.usenami.io","method":"GET","resource":"https://api.usenami.io/v1/perp/funding-flips","category":"market","description":"Funding-rate sign-change detection for one crypto perpetual — every positive↔negative flip across venues inside a lookback window, each with its venue, hour and the rates either side of the change. Raw events for spotting funding-regime turns in funding-arb and carry positioning: it reports the flip","price_listed":0.003,"price_asked":null,"state":"no_terms","state_label":"Answers HTTP 404 without x402 payment terms","checks_7d":1,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"hours":{"description":"Lookback hours. Default 24, max 168.","required":false,"type":"integer"},"ticker":{"description":"Base ticker (e.g. BTC, ETH). Required.","required":true,"type":"string"}},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"type":"string"},"type":{"type":"string"}},"required":["type","method"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":404,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":709,"error":null}],"description_full":"Funding-rate sign-change detection for one crypto perpetual — every positive↔negative flip across venues inside a lookback window, each with its venue, hour and the rates either side of the change. Raw events for spotting funding-regime turns in funding-arb and carry positioning: it reports the flips, it does not classify them as sustained or transient.","last_updated":"2026-09-11T23:51:55.584Z","schemes":["exact"]}