{"uid":"cap_MJVPIS925PFRYMsdTgxv8","slug":"netintel-exa-answer-ai-powered-web-q-a-with-citations-227b473e","name":"NetIntel Exa Answer — AI-Powered Web Q&A with Citations","description":"Network intelligence API — 138 endpoints, all pay-per-call via x402 micropayments (USDC on Base or Solana mainnet).\n\nNetIntel is agent fair-trade aligned: transparent per-call pricing in USDC on Base or Solana via x402, no API keys or signup, and automatic no-charge on server errors, upstream failures, and input-validation rejections — failed calls are never billed across NetIntel's network, domain, and data-intelligence endpoints.","url":"https://netintel-production-440c.up.railway.app/exa/answer","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["query"],"properties":{"query":{"type":"string","description":"Question, 3-1000 chars. Aliases: q, question, prompt, text"},"include_citation_text":{"type":"boolean","description":"Include each citation's source text (default false); truncated to 800 chars when >5 citations. Aliases: text, with_text"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"query":{"type":"string"},"answer":{"type":"string"},"findings":{"type":"array"},"provider":{"type":"string"},"citations":{"type":"array","items":{"type":"object","properties":{"url":{"type":"string"},"text":{"type":["string","null"]},"index":{"type":"number"},"title":{"type":["string","null"]},"author":{"type":["string","null"]},"published_date":{"type":["string","null"]}}}},"citation_count":{"type":"number"}}}}}}},"responseSchema":{"type":"json","example":{"query":"What is the x402 payment protocol?","answer":"x402 is an open standard that uses the HTTP 402 status code to let clients pay for resources with stablecoins… [1][2]","findings":[],"provider":"exa","citations":[{"url":"https://www.x402.org/","text":null,"index":1,"title":"x402 — internet-native payments","author":null,"published_date":null}],"citation_count":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZQ8Feyd35mvzdZJaW1CHW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Answers any natural language question by searching the live web and returning a cited, synthesized response with source URLs","exampleAgentPrompt":"Can you look up what the x402 payment protocol is and give me a cited answer with links to the sources you used?","exampleUseCases":[{"title":"Fact-checking a news claim","prompt":"I just read that the FDA approved a new Alzheimer's drug last month — can you verify that and give me a cited answer with the actual sources?"},{"title":"Quick competitive research","prompt":"What are the main differences between Anthropic's Claude and OpenAI's GPT-4o? Give me a synthesized answer with citations so I can see where the info is coming from."},{"title":"Current events briefing","prompt":"What's the latest status of the EU AI Act and when does it come into force? I need a cited summary with source links."}],"resultDescription":"Returns a JSON object containing the original query, a synthesized natural-language answer with inline citation markers (e.g. [1][2]), an array of citation objects (each with URL, title, author, published date, and optional source text excerpt up to 800 chars), and a total citation count. The provider field identifies Exa as the underlying search engine.","failureModes":["Query shorter than 3 or longer than 1000 characters returns a validation error and is not billed","Upstream Exa service unavailable returns a server error and is not billed","No web results found for the query may return an empty or low-confidence answer","Network timeout from the Railway host may cause a 5xx with no charge","Malformed query parameters (wrong type) return an input-validation rejection with no charge"],"whenToPreferThis":"Choose this endpoint when you need a cited, synthesized natural-language answer drawn from live web sources rather than a static knowledge base. It is ideal for factual lookups, current-events questions, or research tasks where verifiable source URLs matter. Prefer it over raw search APIs when you want a ready-to-use prose answer instead of a ranked list of links, and over LLM-only generation when you need real citations. The pay-per-call micropayment model (no signup, $0.01/call) makes it practical for low-volume or one-off agent queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:20:51.031Z","isFirstParty":false}