{"uid":"cap_OJsyfKfFSOTcO5aknvp4s","slug":"express-npm-package-install-lifecycle-hooks-a0824374","name":"Express NPM Package Install Lifecycle Hooks","description":"express Install lifecycle hooks: Install lifecycle hooks for npm package express. Inspect registry metadata for integration and upgrade planning. Package and version can be overridden.","url":"https://market.datapackvibe.com/x402/signal-npm-express-install-hooks?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"package":{"type":"string","default":"express","maxLength":150},"version":{"type":"string","maxLength":100}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xr04eswKY1ZYtrILqJKLk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves npm registry metadata and install lifecycle hook information for the Express.js package to support integration and upgrade planning.","exampleAgentPrompt":"Can you look up the install lifecycle hooks and registry metadata for the express npm package — specifically version 4.18.2 — so I can review what scripts run on install before I add it to my project?","exampleUseCases":[{"title":"Upgrade planning for Express dependency","prompt":"We're planning to upgrade express from version 4.x to 5.x in our Node.js app — can you pull the registry metadata and install lifecycle hooks for express version 5.0.0 so I can see if anything changed that might affect our CI pipeline?"},{"title":"Security audit of install-time scripts","prompt":"Before we approve express as a dependency in our company's approved package list, can you fetch its npm install lifecycle hooks and registry metadata so our security team can review what runs at install time?"},{"title":"Integration check for new Node.js project","prompt":"I'm starting a new Node.js project and want to use express — can you inspect its npm registry metadata and install hooks for the latest version so I know what to expect during setup?"}],"resultDescription":"Returns npm registry metadata for the Express package including install lifecycle hook definitions (preinstall, postinstall, etc.), version details, and signals useful for integration planning and upgrade decision-making.","failureModes":["Invalid or nonexistent package name returns an error or empty result","Requested version not found in the npm registry","Rate limiting or payment failure (x402 protocol) preventing the call","Malformed version string causing lookup failure","Registry metadata temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need structured npm registry metadata and lifecycle hook details for the Express package specifically — particularly useful for pre-integration audits, upgrade planning, or security reviews of install-time scripts. Prefer this over manually querying the npm registry when you want a pre-packaged, paid API response with consistent formatting.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:30.323Z","isFirstParty":false,"canonicalSlug":"express-npm-package-install-lifecycle-hooks-a0824374"}