{"path":"/midterms-alpha","service_name":"Midterms Alpha","method":"GET","allowed_methods":["GET"],"category":"DeFi & Markets Data","class":"read-only","summary":"Temporary US midterms alpha: control and top-race odds with the large-trade money behind each move, whale net flow and USD to move 5 points.","description":"US midterms alpha from Polymarket: House, Senate and Balance of Power control plus the 10 most-traded races, each with odds, 24h move, the $1k+ trade money behind the move, net flow of the 5 biggest wallets and the USD to move it 5 points, plus its price on Polymarket US, Kalshi and PredictIt, named by venue. Refreshed every 2 minutes. 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}