{"uid":"cap_G4GTn8dIel-KWih6veEti","slug":"npm-package-registry-lookup-591dde89","name":"npm Package Registry Lookup","description":"Latest version, license, description, homepage and dependencies for any npm package, from the npm registry. Query: ?pkg= Returns JSON.","url":"https://clonecho.builda.company/x402/s/npm-package","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_kHXJvJgnlHj-MfmdQj-ds","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":"Returns the latest version, license, description, homepage URL, and dependency list for any npm package from the npm registry.","exampleAgentPrompt":"Can you look up the latest version, license, and dependencies for the 'lodash' npm package?","exampleUseCases":null,"resultDescription":"A JSON object containing the npm package's latest published version number, SPDX license identifier, human-readable description, homepage URL, and a map of its declared dependencies (name to version range).","failureModes":["Package not found on npm registry — returns error or empty result","Misspelled package name — no match returned","Private or unlisted package — not accessible via public registry","Network or upstream npm registry timeout — service unavailable error"],"whenToPreferThis":"Use this endpoint when you need current npm package metadata — version, license, homepage, or dependencies — directly from the npm registry without scraping. Prefer this over manual npm website lookups or running CLI commands when automating dependency audits, license checks, or package discovery workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:00.201Z","isFirstParty":false}