{"uid":"cap_SbaANxjKe04GH20pbeYF_","slug":"ncbi-pubmed-e-search-via-clonecho-738ac660","name":"NCBI PubMed E-Search via clonecho","description":"Search PubMed and return matching article UIDs for query {q} via NCBI E-utilities. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/ncbi-esearch-pubmed","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SexlS-k6_8_PFkmEa2Vzs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search PubMed for biomedical literature and return matching article UIDs using the NCBI E-utilities esearch endpoint","exampleAgentPrompt":"Search PubMed for articles about CRISPR gene editing in cancer therapy and give me the matching article UIDs.","exampleUseCases":null,"resultDescription":"A JSON object containing a list of PubMed article UIDs (PMIDs) matching the search query, along with metadata such as result count and query translation from the NCBI E-utilities esearch response.","failureModes":["Empty result set if query matches no articles — returns zero UIDs","Query string with special characters may cause malformed request or unexpected results","NCBI E-utilities rate limiting or downtime may cause 5xx errors","Very broad queries may return thousands of UIDs, requiring pagination not supported by this endpoint","Missing or empty q parameter may return an error or empty results"],"whenToPreferThis":"Use this endpoint when you need to programmatically search PubMed for biomedical literature and retrieve article UIDs (PMIDs) for a given keyword, author, MeSH term, or complex query string. It is ideal for research workflows where you need to identify relevant scientific papers before fetching full article details. Prefer this over general web search when precision against the NCBI PubMed database is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:50:43.059Z","isFirstParty":false}