{"uid":"cap_XX4daQQTRR8MuF0EI2Grv","slug":"ncbi-biosample-e-search-456a1b6f","name":"NCBI BioSample E-Search","description":"Search NCBI BioSample and return matching sample UIDs for query {q} via E-utilities. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/ncbi-esearch-biosample","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":"down","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_1fNEasw9U67dRVMl5OtSO","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 NCBI BioSample database and return matching sample UIDs using NCBI E-utilities for a given query string","exampleAgentPrompt":"Search NCBI BioSample for samples matching 'Homo sapiens liver RNA-seq' and give me the matching sample UIDs.","exampleUseCases":null,"resultDescription":"A JSON response containing BioSample UIDs (unique identifiers) matching the provided search query, along with result count metadata from NCBI E-utilities esearch endpoint.","failureModes":["Empty result set if query matches no BioSample records","Malformed query string may return zero results or NCBI error","NCBI rate limiting or service unavailability returning error response","Query too broad returning truncated result set","Invalid special characters in query causing parse errors"],"whenToPreferThis":"Use this endpoint when you need to programmatically search the NCBI BioSample database to retrieve sample UIDs for downstream biological data retrieval workflows, particularly when building bioinformatics pipelines that require BioSample identifiers as input for further NCBI E-utilities calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:27:10.400Z","isFirstParty":false}