{"uid":"cap_zazIowLFVCNhpoJFdYNkQ","slug":"oblique-markets-answer-with-sources-b6772196","name":"Oblique Markets Answer with Sources","description":"Use when an agent needs a cited answer it can show its principal rather than a bare completion. Returns Concise answer to a research question with cited sources, a confidence level and a disclaimer. $0.65.","url":"https://api.oblique.markets/api/v1/paid/answer-with-sources","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"question":{"type":"string","description":"Question to answer with citations"}}},"responseSchema":{"type":"json","example":{"model":"deepseek/deepseek-v4-flash","answer":"x402 is an HTTP-native payment protocol: a server answers 402 with machine-readable terms, the client retries with a signed stablecoin payment, and a facilitator settles it on chain.","message":"Answer with sources via x402 protocol","sources":[{"url":"https://github.com/coinbase/x402","title":"x402 protocol specification"}],"question":"What is the x402 payment protocol?","confidence":"high","disclaimer":null,"generated_at":"2026-09-12T00:00:00.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.65","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.65/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.65","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.65","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_srMzMGN9UnhPAjguAbu5x","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.65","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an LLM-generated answer to a natural language question, with cited sources backing the response","exampleAgentPrompt":"What are the key risks of holding ETH right now, and can you back up your answer with cited sources?","exampleUseCases":[{"title":"Cited crypto market research","prompt":"Explain why Bitcoin dominance has been rising this quarter and give me cited sources to back it up."},{"title":"Company fundamentals with references","prompt":"What are the main revenue drivers for Coinbase and which sources support that?"},{"title":"Regulation question with evidence","prompt":"What is the current regulatory status of DeFi in the US? I want the answer with cited sources I can actually verify."}],"resultDescription":"A structured response containing an LLM-generated answer to the query along with a list of cited sources (URLs or references) that support the answer, enabling the agent or end user to verify the information.","failureModes":["Missing or empty 'input' query parameter returns a 400 bad request","Question too vague to retrieve relevant sources may return low-confidence or generic answer","Payment failure or insufficient USDC balance results in 402 Payment Required","Rate limiting or upstream LLM unavailability may cause 503 or timeout errors","Some questions may have no retrievable sources, resulting in an answer without citations"],"whenToPreferThis":"Choose this endpoint when you need not just an answer but verifiable citations — ideal for research, due diligence, compliance, or any context where the user needs to trust and verify the information. Prefer it over a plain LLM inference proxy when source attribution matters, and over raw web scraping when you want a synthesized, readable answer rather than raw extracted text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:58:17.629Z","isFirstParty":false}