{"name":"MADDOG API","version":"5.1.0","site":"https://maddog.finance","docs":"https://maddog.finance/docs","api_reference":"https://maddog.finance/docs","interactive_docs":"https://api.maddog.finance/docs","openapi":"https://api.maddog.finance/openapi.json","auth":"Send your API key in the X-API-Key header; keys start with qd_. Keys are issued at checkout on https://maddog.finance; there is no free key, and the first 3 days of a subscription are a free trial.","anonymous_first_look_calls_per_day":1,"plan":{"price_usd_per_month":99.9,"includes":"Brooks Events read and Brooks backtest","free_trial_days":3,"checkout_url":"https://buy.stripe.com/cNi14n3pVfOb9YU4Dr9Ve05","how_it_works":"A card is collected up front and the first 3 days are a free trial; billing starts when the trial ends, and cancelling within the trial costs nothing. A paid key is shown on the success page. A person has to complete the checkout — card authentication (3-D Secure) requires the cardholder and cannot be done unattended by an AI agent."},"mcp":{"url":"https://api.maddog.finance/mcp","transport":"streamable-http","stateless":true,"tools":["list_domestic_futures","price_action_read","close_curve","get_scoreboard","request_free_key"],"connect":{"claude_code":"claude mcp add --transport http maddog https://api.maddog.finance/mcp","auth_note":"Anonymous first-look and request_free_key need no key; add an X-API-Key (or Authorization: Bearer) header once a key exists."}},"paid_endpoints":{"/v1/brooks/{symbol}":"The window's first range breakout with a frozen measured failure rate and a calibrated per-event estimate, plus the five-class day-type distribution and its confidence grade. Works in the US session, the Asian session, and the Asia-close-to-US-open gap window."},"free_without_a_key":[],"domestic_futures":{"directory_url":"https://api.maddog.finance/v1/domestic-futures","product_count":87,"lookup_consumes_credits":false},"symbol_format":"US ticker NVDA · HK 3690.HK · China A-share 600519 · futures ES=F GC=F · mainland futures ROOT0 / ROOTYYMM, full directory /v1/domestic-futures (Brooks only)","support":"info@maddog.finance","what_you_get":"Descriptive statistics and model output: how sessions that resembled the current one resolved historically. Not a forecast, not a recommendation to buy or sell, not investment advice.","disclaimer":"Educational analytics, not investment advice."}