{"path":"/midterms-movers","service_name":"Midterms Movers","method":"GET","allowed_methods":["GET"],"category":"DeFi & Markets Data","class":"read-only","summary":"Temporary US midterms movers: the fastest 15-minute and 24-hour Polymarket odds moves, plus a live board with 15m, 1h and 24h moves.","description":"US midterms movers from Polymarket: the fastest 15-minute and 24-hour odds moves across open midterm markets (control, Senate, governor and House races), plus a board of up to 150 markets with live odds, 15m, 1h and 24h moves and each row's price on Polymarket US, Kalshi and PredictIt, named by venue. Refreshed every minute for election night. Data only, not advice. Temporary: retires 8 Nov 2026. $0.01 per call.","schema":{"params":null,"body":null,"note":"Request schema derived from the Otto catalog -- not output-measured."},"sample_output":null,"cost":{"price_usd":0.01,"pricing_mode":"fixed","currency":"USDC","pricing_note":"Indicative. The live 402 PAYMENT-REQUIRED header is the single source of truth -- set maxPayment from it, never from this map.","settlement_note":"Settlement is on success only: a 4xx/5xx response is not settled, so a rejected or failed call does not charge you. (A 200 that returns an error body still settles.)"},"auth":{"type":"x402","note":"Pay per call in USDC via x402 V2 (EIP-3009 or Permit2). The networks THIS route accepts are in its own 402 accepts[] (returned in both the PAYMENT-REQUIRED header and the 402 JSON body): USDC on Base is accepted on every route, Solana only where that route lists it."},"signals":[{"id":"otto-money-back-guarantee","type":"guarantee","summary":"Money-back guarantee on Otto's own services: if a paid result misses, request a refund via /feedback with the payment tx_hash ($0.01 per tx, up to 10×/day system cap). Otto's own services and Full Auto only -- not third-party Bazaar picks.","status":"active","last_verified":"2026-07-01"},{"id":"otto-first-party","type":"characteristic","summary":"Served by an Otto-operated agent backend (first-party), not a re-listed third-party marketplace endpoint.","status":"active","last_verified":"2026-07-01"}],"patterns":[],"measured":{"quality_score":null,"uptime_pct":null,"measured_at":null,"note":"Not yet measured by the QA crawler -- quality/uptime stay null, never fabricated."},"catalog_hash":"57283b8ac926758ebb9214b31a34bafae79276cc72a490ab1d5fbf96d3800ad5","snapshot_generated_at":"2026-11-07T19:51:57.639Z","you_were_not_charged":true}