{"uid":"cap_eVxrKTXTTTPVlN8lVTCGS","slug":"pubmed-search-via-ncbi-e-utilities-json-pick-format-c79180fb","name":"PubMed Search via NCBI E-utilities (JSON-Pick Format)","description":"[concierge json-pick] PubMed search via NCBI E-utilities (keyless). Query → count + idlist (retmax≤10) + optional title/journal/pubdate.","url":"https://x402-v2-mint-pubmed-search.vercel.app/v1/pubmed-search/fmt/json-pick?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YsTdoQ7GdzinPL49U5l8e","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches PubMed using NCBI E-utilities without an API key, returning a JSON object with result count, article ID list, and optional metadata fields (title, journal, publication date) for up to 10 results.","exampleAgentPrompt":"Search PubMed for up to 10 articles about CRISPR gene editing in cancer therapy and return the titles, journals, and publication dates in JSON.","exampleUseCases":[{"title":"Drug interaction literature lookup","prompt":"Search PubMed for studies on metformin and cardiovascular risk — give me up to 10 results with titles, journals, and publication dates."},{"title":"Clinical condition research survey","prompt":"Find me the latest PubMed articles on long COVID neurological symptoms, up to 10, and include the title and journal for each."},{"title":"Biomarker discovery research","prompt":"Search PubMed for papers on BRCA1 mutation and breast cancer prognosis, return up to 10 results with their PubMed IDs and publication dates."}],"resultDescription":"A JSON object containing the total count of matching PubMed articles, a list of up to 10 PubMed IDs, and for each article (if requested) the title, journal name, and publication date.","failureModes":["Query string missing or malformed — returns error with no results","retmax exceeds limit of 10 — capped or returns error","NCBI E-utilities temporarily unavailable — upstream timeout or 5xx error","No results found for query — returns count 0 and empty ID list","Malformed JSON response if upstream NCBI API changes format"],"whenToPreferThis":"Use this endpoint when you need a quick, keyless PubMed search returning structured JSON with optional article metadata (title, journal, pubdate) for up to 10 results. Prefer it over raw NCBI E-utilities calls when you want a simple pay-per-call API without managing an NCBI API key, and when you need the JSON-pick format specifically (structured field selection rather than raw XML or full records).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:37:57.910Z","isFirstParty":false,"canonicalSlug":"pubmed-search-via-ncbi-e-utilities-json-pick-format-c79180fb"}