{"service":"extract-large","route":"POST /extract-large","price":"$0.25","payment":"x402 (USDC on Base) — POST to this path, pay the returned 402, retry","description":"Structured extraction from LARGE documents (up to 400k chars) as guaranteed-valid JSON. Input: { text, fields? OR schema? }.","input":{"properties":{"text":{"type":"string","description":"Raw text (max 400k chars)"},"fields":{"type":"string"},"schema":{"type":"object"}},"required":["text"]},"inputExample":{"text":"A large document to extract structured fields from.","fields":"title,date,parties"},"outputExample":{"title":"Q3 Report","date":"2026-07-01","parties":["Acme","Beta"]},"outputSchema":{"type":"object"}}