{"uid":"cap_9lLsVq01sQ_VPlESElMSj","slug":"arxiv-academic-paper-search-api-x402-487c6510","name":"arXiv Academic Paper Search API (x402)","description":"66 pay-per-call APIs: AI text/image generation ($0.01), Polymarket odds, crypto prices, DeFi yields, FX rates, weather, IP/geo, FBI wanted, SEC tickers, clinical trials, 250M academic papers, Stack Overflow, meme-coin launchpads (pump.fun, Clanker, Four.meme, SunPump), tokenized stocks, Solana top 100, and 40+ more. $0.005/call standard. USDC on Base and Solana via x402.","url":"https://workspace-x402-paywall.onrender.com/search/arxiv?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vGNRJfP1tPMfs7CPtonhF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches arXiv for academic papers matching a query string, returning results for $0.005 USDC per call via x402 micropayment","exampleAgentPrompt":"Search arXiv for recent papers on 'retrieval-augmented generation' and give me the titles and abstracts of the top results.","exampleUseCases":[{"title":"Literature review on AI safety","prompt":"Can you search arXiv for papers on AI alignment and reward hacking? I need titles and abstracts to start a literature review."},{"title":"Find latest quantum computing preprints","prompt":"Look up the most recent arXiv preprints on quantum error correction — I want to see what's been published lately in that area."},{"title":"Research competitor academic work","prompt":"Search arXiv for papers about diffusion models for protein structure prediction — I want to know what research groups are working on this."}],"resultDescription":"A JSON object containing a list of matching arXiv papers, typically including paper titles, authors, abstracts, arXiv IDs, and links to the papers on arxiv.org","failureModes":["No results found for obscure or misspelled query terms","Payment failure if insufficient USDC balance or unsupported wallet","Generic 500 error if arXiv upstream is unavailable","Empty result set for very narrow or highly specific queries","Rate limiting or timeout if arXiv backend is slow"],"whenToPreferThis":"Choose this endpoint when you need to search academic preprints on arXiv programmatically and want a pay-per-call micropayment model without a monthly subscription. Ideal for AI agents that only occasionally need literature search and want to pay $0.005 USDC per query rather than maintaining API keys or subscriptions. Prefer this over manual arXiv browsing or full-text academic databases when speed and automation matter most.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:42:25.515Z","isFirstParty":false,"canonicalSlug":"arxiv-academic-paper-search-api-x402-487c6510"}